(AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. WinBIOS) system-specific information (bits 3-1) (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 34h) (DE)ACTIVATE INTERNAL MODEM POWER (CONVERTIBLE) (INT 15, SYSTEM, AH=44h) (DE)ALLOCATE HMAsee High Memory Area MEMORY BLOCK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, Windows95, DOS KERNEL, AX=4A03h) (TR1) PARITY REVERSAL TEST REGISTER (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:0002h, Pentium) (TR1) PARITY REVERSAL TEST REGISTER (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 8000h:0002h, Pentium) (TR10) BRANCH TARGET BUFFER TARGET (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:000Ch, Pentium, PentiumMMX) (TR10) BRANCH TARGET BUFFER TARGET (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 8000h:000Ch, Pentium) (TR11) BRANCH TARGET BUFFER CONTROL (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:000Dh, Pentium, PentiumMMX) (TR11) BRANCH TARGET BUFFER CONTROL (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 8000h:000Dh, Pentium) (TR12) NEW FEATURE CONTROL (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:000Eh, Pentium, K6, C6) (TR12) NEW FEATURE CONTROL (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 8000h:000Eh, Pentium) (TR2) INSTRUCTION CACHE END BITS (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:0004h, Pentium) (TR2) INSTRUCTION CACHE END BITS (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 8000h:0004h, Pentium) (TR3) CACHE DATA TEST REGISTER (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:0005h, Pentium) (TR3) CACHE DATA TEST REGISTER (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 8000h:0005h, Pentium) (TR4) CACHE TAG (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:0006h, Pentium) (TR4) CACHE TAG (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 8000h:0006h, Pentium) (TR5) CACHE CONTROL (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:0007h, Pentium) (TR5) CACHE CONTROL (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 8000h:0007h, Pentium) (TR6) TLB COMMAND (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:0008h, Pentium, PentiumMMX) (TR6) TLB COMMAND (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 8000h:0008h, Pentium) (TR7) TLB DATA (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:0009h, Pentium, PentiumMMX) (TR7) TLB DATA (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 8000h:0009h, Pentium) (TR8) 36-BIT TLB DATA TEST REGISTER {obsolete} (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:000Ah, Pentium A-step) (TR8) 36-BIT TLB DATA TEST REGISTER {obsolete} (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 8000h:000Ah, Pentium A-step) (TR9) BRANCH TARGET BUFFER TAG (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 0000h:000Bh, Pentium, PentiumMMX) (TR9) BRANCH TARGET BUFFER TAG (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 8000h:000Bh, Pentium) (xxx=CGAColor Graphics Adapter(Color/Graphics Adapter) One of the two video display boards introduced together with the original IBMInternational Busiuness Machines PCIBM PC. See also HGC, MDA.,EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors.,VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers.,HER...) CALL GATE FOR GRAPHICS (INT 16, PTxxx.COM, AH=AAh) 100 HZ INTERRUPT (INT F8, Sanyo MBC-550/555, IRQ0) 10MEMMGR.SYS (CALL xxxxh:xxxxh, 10NET) 10NET - "WHO" - ENUMERATE USERS ON NETWORK (INT 6F, AH=0Dh) 10NET v5.0 - "BULL" - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 6F, AH=1Ah) 10NET v5.0 - "GL WHO" - ??? (INT 6F, AH=16h) 10NET v5.0 - "GLOGIN" - GET LOGIN LIST {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 6F, AH=1Ch) 10NET v5.0 - "GMOUNT" - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 6F, AH=1Bh) 10NET v5.0 - "RM LOCK" - ??? (INT 6F, AH=0Fh) 10NET v5.0 - "SCHED" - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 6F, AH=1Eh) 10NET v5.0 - "TABDATA" - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 6F, AH=1Dh) 10NET v5.0 - "WHO" - ENUMERATE USERS ON NETWORK (INT 6F, AH=8Dh) 10NET v5.0 - "WHOAMI" - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 6F, AH=1Fh) 10NET v5.0 - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 6F, AH=20h) 10NET v5.0 - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 6F, AH=21h) 10NET v5.0 - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 6F, AH=22h) 16-BIT PROTECTED-MODE CONNECT (INT 15, Intel System Management Bus, AX=53B0h/BH=03h/CX=6941h) 1st BSC (Binary Synchronous Communication) adapter (PORTIBM PC Portable (uses same BIOS as XT) 03A0-03AF) 1st Hard Disk user defined (type 49): # Cylinders, High Byte (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 27h, AWARD) 1st Hard Disk user defined (type 49): # Cylinders, Low Byte (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 26h, AWARD) 1st Hard Disk user defined (type 49): Landing Zone Low Byte (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 2Bh, AWARD) 1st Hard Disk user defined (type 49): Landing Zone High Byte (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 2Ch, AWARD) 1st Hard Disk user defined (type 49): Number of Heads (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 28h, AWARD) 1st Hard Disk user defined (type 49): Sectors per TrackOne of multiple concentric circular rings of data on a single data-bearing surface of a disk. Tracks at the same location on different surfaces form a cylinder. (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 2Dh, AWARD) 1st Hard Disk user defined (type 49): Write Precomp High (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 2Ah, AWARD) 1st Hard Disk user defined (type 49): Write Precomp Low Byte (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 29h, AWARD) 1st SDLC (Binary Synchronous Data Link Control adapter) (PORTIBM PC Portable (uses same BIOS as XT) 03A0-03AC) 2nd BSC (Binary Synchronous Communication) adapter (PORTIBM PC Portable (uses same BIOS as XT) 0380-038F) 2nd Hard Disk user defined (type 48): # of Cylinders High (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 1Fh, AWARD) 2nd Hard Disk user defined (type 48): Landing Zone High Byte (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 24h, AWARD) 2nd Hard Disk user defined (type 48): Landing Zone Low Byte (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 23h, AWARD) 2nd Hard Disk user defined (type 48): Number of Heads (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 20h, AWARD) 2nd Hard Disk user defined (type 48): Sectors per TrackOne of multiple concentric circular rings of data on a single data-bearing surface of a disk. Tracks at the same location on different surfaces form a cylinder. (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 25h, AWARD) 2nd Hard Disk user defined (type 48): Write Precomp High Byte (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 22h, AWARD) 2nd Hard Disk user defined (type 48): Write Precomp Low Byte (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 21h, AWARD) 2nd Hard Disk user defined: # of Cylinders Low Byte (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 1Eh, AWARD) 2nd SDLC (Synchronous Data Link Control) adapter (PORTIBM PC Portable (uses same BIOS as XT) 0380-038C) 32-BIT API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 1A, Intel Plug-and-Play AUTO-CONFIGURATION, AH=B4h) 32-bit CS ADDRESSING MODE CALLS (INT 15, Compaq EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). System ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. 04/08/93, AH=D8h/AL=A0h) 32-bit CS ADDRESSING MODE CALLS (INT 15, EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). SYSTEM ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs., AH=D8h/AL=80h) 32-BIT PROTECTED-MODE CONNECT (INT 15, Intel System Management Bus, AX=53B0h/BH=04h/CX=6941h) 3270 EMULATION (INT 7A, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 3270 Workstation Program API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes., AH=09h/BX=8020h/CX=00FFh) 3270 INTERFACE (INT 61, Banyan VINES, AX=0002h) 3270 KEYBOARD HANDLER (INT 61, Banyan VINES, AX=000Ch) 3270-PC CONTROL PROGRAM - ??? {partially documented} (INT 60) 3com BAPI SERIAL I/O - EN/DISABLE "ENTER COMMAND MODE" (ECM) CHARACTER (INT 14, AH=B0h) 3com Ethernet adapters (default address) (PORTIBM PC Portable (uses same BIOS as XT) 0300-031F) 3rd (Tertiary) EIDE Controller (PORTIBM PC Portable (uses same BIOS as XT) 01E8-01EF) 4MAP - INSERT CHARACTER INTO ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=F002h) 4MAP - INSERT CHARACTER INTO ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=F003h) 4th (Quaternary) EIDE Controller (PORTIBM PC Portable (uses same BIOS as XT) 0168-016F) 8 digit LED info panel (PORTIBM PC Portable (uses same BIOS as XT) 0108-010F, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PS/2IBM PS/2, any model) 8041 SERVICE REQUEST {callout or callback} (INT 68, HP Vectra ATIBM PC AT, IRQ16) 8087 COPROCESSOR INTERRUPT (INT FE, Sanyo MBC-550/555, IRQ6) 82359 DRAM(Dynamic Random Access Memory) RAM memory which essentially consists of a tiny capacitor for each bit of memory. Since capacitors do not hold a charge indefinitely, DRAM must be constantly refreshed to avoid losing its contents. Also, the process of reading the contents of the memory are destructive, meaning extra time must be spent restoring the contents of memory addresses which are accessed, so DRAM is slower than SRAM. See also Refresh, SRAM. CONTROLLER (PORTIBM PC Portable (uses same BIOS as XT) 0022-0023, Intel 82358DT 'Mongoose' EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). CHIPSET) 8514/A and compatible (e.g. ATI Graphics Ultra) (PORTIBM PC Portable (uses same BIOS as XT) 02E8-02EF) 8514/A and hardware-compatible video cards (PORTIBM PC Portable (uses same BIOS as XT) 42E8) 8530 SIO CHIP (PORTIBM PC Portable (uses same BIOS as XT) 0050-0052, Olivetti M24) 8x8 GRAPHICS FONT (INT 1F, SYSTEM DATA) ABNORMAL EXIT {callout or callback} (INT 2F, Novell NetWare, SHELL 3.01d BROADCAST, AX=7A80h) ABORT CURRENT EVENT (INT 2F, Communicating Applications SpecificationDCA and Intel's standard programmatic interface for sending and receiving FAXes via any of a number of internal FAX boards., AX=CB02h) ABORT CURRENT PROCESS VIA INT 23 {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 21, PTS-DOS 6.51 & S/DOS 1.0, AH=92h) ABORT OUTPUT (INT 14, COURIERS.COM, AH=88h) ABORT PLOT {real mode} (INT 7B, AutoCAD Device Interface, PRINTER/PLOTTER, AX=8003h) ABORT PRINT OPERATION (INT 17, NorthNet Jetstream API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes., AH=F3h) ABORT SERVICING QUEUE JOB (OLD) (INT 21, Novell NetWare v2.1+, AX=F217h/DX=0000h) ABORT SERVICING QUEUE JOB (INT 21, Novell NetWare v3.1+, AX=F217h/DX=0000h) ABORT SERVICING QUEUE JOB (INT 21, Novell NetWare, QUEUE SERVICES, AH=E3h) ABORT SERVICING QUEUE JOB AND FILE (INT 21, Novell NetWare, QUEUE SERVICES, AH=E3h) ABORT SPX CONNECTION (INT 7A, Novell NetWare, SPX Driver, BX=0014h) ABORT TRANSACTION (INT 21, Novell NetWare, TRANSACTION TRACKING SYSTEM, AX=C703h) ABSOLUTE DISK READ (32M-2047M hard-disk partition) (INT 25, DOS 3.31+, CX=FFFFh) ABSOLUTE DISK READ (except partitions > 32M) (INT 25, DOS 1+, CX=FFFFh) ABSOLUTE DISK READ (INT 2F, CD-ROM, AX=1508h) ABSOLUTE DISK WRITE (32M-2047M hard-disk partition) (INT 26, DOS 3.31+, CX=FFFFh) ABSOLUTE DISK WRITE (except partitions > 32M) (INT 26, DOS 1+, CX=FFFFh) ABSOLUTE DISK WRITE (INT 2F, CD-ROM, AX=1509h) ACC Multiplier (SECAM Db to Cb) (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/A4h, ITT VPX 32xx, FP) ACC Multiplier (SECAM Dr to Cr) (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/A3h, ITT VPX 32xx, FP) ACC Reference Level (Color Saturation) (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/A0h, ITT VPX 32xx, FP) ACCESS CONFIGURATION SPACE (INT 1A, CardBus Socket Services, AH=A2h) ACCESS LOADABLE-ABIOS SIGNATURE (INT 15, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly., AH=A0h) Access Server Driver (CALL xxxxh:xxxxh, Novell NetWare) ACCESS TO EXTENDED CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. (PORTIBM PC Portable (uses same BIOS as XT) 0072-0075, AMD-645 Peripheral Bus Controller) ACCESS TYPE (INT 60, FTP(File Transfer Protocol) The standard protocol for copying files from one machine to another on a TCP/IP (Internet) network. Also the program of the same name with which a user may transfer files. Packet DriverAny one of the numerous drivers conforming to FTP Software's Packet Driver Specification, which provides a hardware-independent network interface. See also NDIS, ODI., BASIC(Beginner's All-purpose Symbolic Instruction Code) A programming language originally designed as a means of teaching FORTRAN. There are many variations of BASIC with differing capabilities; the majority are interpreted but compiled BASIC is becoming more popular. All genuine IBMInternational Busiuness Machines personal computers (including the latest PS/2IBM PS/2, any model models) come equipped with a cassette-based BASIC interpreter in ROM. FUNC, AH=02h) ACKNOWLEDGE CLOSE (INT 2F, Windows95, CLOSE-AWARENESS, AX=168Fh/DH=02h/DL=00h) ACKNOWLEDGE DATAGRAM (INT 7F, Alloy NTNX, MW386, AH=12h) ACKNOWLEDGE EVENT (INT 15, HUNTER 16, AH=6Fh) ACKNOWLEDGE INTERRUPT (INT 1A, PCMCIA Socket Services v2.1, AH=9Eh) ACKNOWLEDGE STREAM STATUS CHANGE (INT 7F, G8BPQ v4.00+, HOST MODE, AH=05h) Acorn BBC Master 512 - "OSARGS" - GET/SET FILE PARAMS FOR OPEN FILE (INT 44) Acorn BBC Master 512 - "OSARGS" - GET/SET FILE PARAMS FOR OPEN FILE (INT 44, AH=00h) Acorn BBC Master 512 - "OSASCI" - WRITE CHARACTER TO CUR OUTPUT STREAM (INT 49) Acorn BBC Master 512 - "OSBGET" - READ SINGLE BYTE FROM FILE (INT 43) Acorn BBC Master 512 - "OSBPUT" - WRITE SINGLE BYTE TO FILE (INT 42) Acorn BBC Master 512 - "OSBYTE" - MISC FUNCTIONS USING REGISTER PARAMS (INT 4B) Acorn BBC Master 512 - "OSCLI" - INTERPRET COMMAND LINE (INT 4C) Acorn BBC Master 512 - "OSFILE" - READ/WRITE FILE OR DIRECTORY INFO (INT 45) Acorn BBC Master 512 - "OSFIND" - OPEN FILE (INT 40) Acorn BBC Master 512 - "OSGBPB" - MULTI-BYTE GET/PUT (INT 41) Acorn BBC Master 512 - "OSNEWL" - SEND NEWLINE TO OUTPUT STREAM (INT 48) Acorn BBC Master 512 - "OSRDCH" - GET CHARACTER FROM CUR INPUT STREAM (INT 46) Acorn BBC Master 512 - "OSWORD" - MISC FUNCTIONS USING CONTROL BLOCK (INT 4A) Acorn BBC Master 512 - "OSWRCH" - WRITE CHARACTER TO CUR OUTPUT STREAM (INT 47) ACTIVATE (INT 2F, SWELL.EXE, AX=CD03h) ACTIVATE DLC (INT 68, APPC/PCIBM PC, NETWORK DEVICE CONTROL, AH=01h) ACTIVATE PORTIBM PC Portable (uses same BIOS as XT) (INT 14, X00 FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use., AH=1Ch) ACTIVATE SPEED-UP {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 10, S3VBE/Core2.0 v3.10+, AX=D004h) ACTIVATE TASK SUBROUTINE (INT 54, TI Professional PCIBM PC) ACTIVATE USER-WRITTEN PRINTER DRIVER (INT 17, Alloy NTNX, AH=8Ah) AD-DOS - ??? (INT 2F, AX=C00Ah) AD-DOS - ??? (INT 2F, AX=C00Bh) AD-DOS - SET ??? INTERNAL FLAG TO 01h (INT 2F, AX=C00Ch) Adaptec 154xB/154xC SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (default address) (PORTIBM PC Portable (uses same BIOS as XT) 0330-0333) Adaptec 154xB/154xC SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (PORTIBM PC Portable (uses same BIOS as XT) 0130-0133) Adaptec 154xB/154xC SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (PORTIBM PC Portable (uses same BIOS as XT) 0134-0137) Adaptec 154xB/154xC SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter. (PORTIBM PC Portable (uses same BIOS as XT) 0230-0233) Adaptec 154xB/154xC SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter. (PORTIBM PC Portable (uses same BIOS as XT) 0234-0237) Adaptec 154xB/154xC SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter. (PORTIBM PC Portable (uses same BIOS as XT) 0334-0337) Adaptec AH1520 jumper settings (PORTIBM PC Portable (uses same BIOS as XT) 035A-035B) Adaptec AHA-152x SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (PORTIBM PC Portable (uses same BIOS as XT) 0140-015F) Adaptec AHA-152x SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (PORTIBM PC Portable (uses same BIOS as XT) 0340-035F) Adaptec AHA-2920 PCI SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (PORTIBM PC Portable (uses same BIOS as XT) xxxx) Adaptec AIC-777x EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. controller in EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). slot 1 (PORTIBM PC Portable (uses same BIOS as XT) 1C00-1CBF) Adaptec AIC-777x EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. controller in EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). slot 2 (PORTIBM PC Portable (uses same BIOS as XT) 2C00-2CBF) Adaptec AIC-777x EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. controller in EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). slot 3 (PORTIBM PC Portable (uses same BIOS as XT) 3C00-3CBF) Adaptec AIC-777x EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. controller in EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). slot 4 (PORTIBM PC Portable (uses same BIOS as XT) 4C00-4CBF) Adaptec AIC-777x EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. controller in EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). slot 5 (PORTIBM PC Portable (uses same BIOS as XT) 5C00-5CBF) Adaptec AIC-777x EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. controller in EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). slot 6 (PORTIBM PC Portable (uses same BIOS as XT) 6C00-6CBF) Adaptec AIC-777x EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. controller in EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). slot 7 (PORTIBM PC Portable (uses same BIOS as XT) 7C00-7CBF) Adaptec AIC-78xx PCI SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. controller (PORTIBM PC Portable (uses same BIOS as XT) xxxx) ADAPTER MEMORY SIZE IN KBYTES (MEM 0040h:0015h, PCIBM PC, XTIBM PC XT) ADC INTERFACE (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 88h/1Ah, Brooktree Bt819A) ADCs GAIN CONTROL (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/30h, Philips SAA7110(A) ONE-CHIP FRONT-END) ADD 16-BIT SAMPLE TO RANDOM POOL (INT 32, NOISE.SYS v0.53+, AX=6E13h) ADD A TASK TO THE SYSTEM (INT D4, PC-MOS/386 v5.01, AH=22h) ADD AUDIT PROPERTY (INT 21, Novell NetWare, AX=F258h) ADD BINDERY OBJECT TO SET (INT 21, Novell NetWare, BINDERY SERVICES, AH=E3h) ADD CHARACTER TO KEYBOARD BUFFER OF CURRENT JOB (INT 21, DoubleDOS, AH=E3h) ADD CHARACTER TO KEYBOARD BUFFER OF CURRENT JOB (INT 21, DoubleDOS, AH=F3h) ADD DIAGNOSTIC ELEMENT {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 7A, Novell NetWare, IPX(Internetwork Packet Exchange) A low-level layer of Novell's NetWare networking software. Driver, internal, BX=0018h) ADD EVENT HANDLER (INT 2F, PC-DOS Econet v1.05, AX=C503h) ADD EXTENDED TRUSTEE TO DIRECTORY OR FILE (INT 21, Novell NetWare v3+, AX=F216h/DX=0000h) ADD KEY TO TAIL OF KEYBOARD BUFFER (INT 16, KEYBOARD, KBUF extensions, AH=FFh) ADD NEW BLOCK DEVICE {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, DRIVER.SYS support, AX=0801h) ADD OBJECT TO SET (INT 21, Novell NetWare v2.2+, AX=F217h/DX=0000h) ADD OR REMOVE USER (INT 2F, Kingswood TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user. The name comes from the name of the DOS function call used to remain in memory after termination. Windows, AX=3901h/BL=0Bh) ADD PRINTER TO SPOOLER (INT 17, Alloy NTNX, MW386, AH=89h) ADD PROCESS {callout or callback} (INT 2F, DESQview v2.26+ External Dev Interface, AX=DE04h) ADD SAMPLE FROM FAST TIMER (INT 32, NOISE.SYS v0.53+, AX=6E12h) ADD TRUSTEE SET TO FILE OR SUBDIRECTORY (INT 21, Novell NetWare v3+, AX=F257h/DX=0000h) ADD TRUSTEE TO DIRECTORY (INT 21, Novell NetWare, AX=F216h/DX=0000h) ADD TRUSTEE TO DIRECTORY (INT 21, Novell NetWare, DIRECTORY SERVICES, AH=E2h) ADD UNMAPPED PAGES ATIBM PC AT END OF SEGMENT {protected mode} (INT 21, Phar Lap 386/DOS-Ext VMM v3.0, AX=252Ch) ADD USER DISK SPACE RESTRICTION (INT 21, Novell NetWare v3+, AX=F216h) Addition for packed BCD(Binary Coded Decimal) A method of data storage where two decimal digits are stored in each byte, one in the upper four bits and the other in the lower four bits. Since only the values 0 through 9 are used in each half of a byte, BCD values can be read as decimal numbers on a hexadecimal display of memory or a file. strings (OPCODE ADD4S) ADJUST SYSTEM TIME {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 15, HP 100LX/200LX, AH=4Bh) AdLib soundblaster card (PORTIBM PC Portable (uses same BIOS as XT) 0338) ADMIN PASSWORD (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 50h-57h, PhoenixBIOS A486 v1.01.E) ADP-60 IDE(Integrated Drive Electronics) A type of disk drive interface which essentially extends the PCIBM PC's expansion bus all the way to the drive and places the drive controller on the disk drive itself. See also ESDI. adapter - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 79) ADVANCE PRINTER TO NEXT PAGE (INT 17, PCIBM PC Paint Plus 2.0, PRINTER DRIVER, AX=2005h) ADVANCE TO NEXT PAGE & SHUT DOWN (INT 17, PCIBM PC Paint Plus 2.0, PRINTER DRIVER, AX=2006h) Advanced Configuration and Power Interface Spec (ACPI) v0.9+ (MEM xxxxh:xxx0h) Advanced Power Management Control (PORTIBM PC Portable (uses same BIOS as XT) 00B2, Intel chipsets) Advanced Power Management Status (PORTIBM PC Portable (uses same BIOS as XT) 00B3, Intel chipsets) Advanced Power Management {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AH=4Ch) ADVANCED SETUP OPTIONS (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 11h, AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985.) ADVANCED SETUP OPTIONS (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 13h, AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. Hi-Flex BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly.) AES INTERFACE (INT EF, GEM, CX=00C8h/DX=0000h) AES INTERFACE (INT EF, GEM, CX=00C9h/DX=0000h) AFP 2.0 CREATE DIRECTORY (INT 21, Novell NetWare v2+, AX=F223h) AFP 2.0 CREATE FILE (INT 21, Novell NetWare v2+, AX=F223h) AFP 2.0 SCAN FILE INFORMATION (INT 21, Novell NetWare v2+, AX=F223h) AFP 2.0 SET FILE INFORMATION (INT 21, Novell NetWare v2+, AX=F223h/DX=0000h) AFP ALLOCATE TEMPORARY DIRECTORY HANDLE (INT 21, Novell NetWare v2+, AX=F223h) AFP CREATE DIRECTORY (INT 21, Novell NetWare v2+, AX=F223h) AFP CREATE FILE (INT 21, Novell NetWare v2+, AX=F223h) AFP DELETE FILE (INT 21, Novell NetWare v2+, AX=F223h/DX=0000h) AFP GET DOS FILENAME FROM ENTRY ID (INT 21, Novell NetWare v2+, AX=F223h) AFP GET ENTRY ID FROM FILENAME (INT 21, Novell NetWare v2+, AX=F223h) AFP GET ENTRY ID FROM NETWARE HANDLE (INT 21, Novell NetWare v2+, AX=F223h) AFP GET ENTRY ID FROM PATHNAME (INT 21, Novell NetWare v2+, AX=F223h) AFP GET FILE INFORMATION (INT 21, Novell NetWare v2+, AX=F223h) AFP GET MACINTOSH INFORMATION ON DELETED FILE (INT 21, Novell NetWare v2+, AX=F223h) AFP OPEN FILE FORK (INT 21, Novell NetWare v2+, AX=F223h) AFP RENAME (INT 21, Novell NetWare v2+, AX=F223h/DX=0000h) AFP SCAN FILE INFORMATION (INT 21, Novell NetWare v2+, AX=F223h) AFP SET FILE INFORMATION (INT 21, Novell NetWare v2+, AX=F223h/DX=0000h) AGC DELAY (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 88h/18h, Brooktree Bt819A) AGC TAKE-OVER (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 8Ah/13h, Philips TDA8366) AI Architects - ??? - INSTALLATION CHECK (INT 21, AH=2Bh/CX=4149h/DX=413Fh) AI Architects - OS/x86??? - API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 21, AX=4403h) AIMS LAB PCIBM PC Radio (PORTIBM PC Portable (uses same BIOS as XT) 020C-020F) AIMS LAB PCIBM PC Radio (PORTIBM PC Portable (uses same BIOS as XT) 030C-030F) Alert Response Address (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 18h, SMBus(System Management Bus) A derivative of the I2C bus used for communication between various components of a computer, such as smart batteries and their chargers. In contrast to I2C, SMBus specifies fixed voltage levels (instead of relative to the power supply voltage) and a 10 KHz minimum clock rate (I2C minimum is 0). SMBus also specifies several timings which are not required by I2C. See also I2C, ACCESS.bus.) ALERT USER (INT 50, PCIBM PC Thuis Organizer Shell, AX=0006h) ALIAS SEGMENT DESCRIPTOR {protected mode} (INT 21, Phar Lap 386/DOS-Extender, AX=2513h) ALIGNMENT CHECK (INT 11, CPU-generated (80486+)) ALLOC PERMANENT DIRECTORY HANDLE (INT 21, Novell NetWare, DIRECTORY SERVICES, AH=E2h) ALLOC SPECIAL TEMP DIR HANDLE {partially documented} (INT 21, Novell NetWare, DIRECTORY SERVICES, AH=E2h) ALLOC TEMPORARY DIRECTORY HANDLE (INT 21, Novell NetWare, DIRECTORY SERVICES, AH=E2h) ALLOCATE 16KB DMAsee Direct Memory Access BLOCK (INT 31, DOS32 v3.0+, AX=EE41h) ALLOCATE (INT 68, APPC/PCIBM PC, CONNECTION CONTROL, AH=02h) ALLOCATE A 4K PAGE (INT 67, Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface., AX=DE04h) ALLOCATE A BLOCK OF MEMORY {protected mode} (INT 21, FlashTek X-32VM, AX=350Ch) ALLOCATE A VIRTUAL CIRCUIT (INT 6B, NPC NCSI EXTENDED SERIAL I/O, AH=11h/DX=0001h/AL=00h) ALLOCATE AND MAP EMSsee Expanded Memory Specification FOR DRIVER (INT 62, BW-TCP, HW DRIVER (ETHDEV.SYS), AH=18h) ALLOCATE CLUSTER {callout or callback, undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, Novell DOS 7+ FDOS EXTENSIONS, AX=1005h) ALLOCATE COMMON MEMORY (INT 2F, SRSoft MODAL PCIBM PC v2+, AX=AB03h) ALLOCATE DMAsee Direct Memory Access ARBITRATION LEVEL (INT 15, later PSIBM PS/2, any model/2s, AH=CEh) ALLOCATE DOS MEMORY ABOVE DOS BUFFER {protected mode} (INT 21, Phar Lap 386/DOS-Ext VMM v3.0, AX=2537h) ALLOCATE DOS MEMORY BLOCK {protected mode} (INT 31, DPMIsee DOS Protected-Mode Interface 0.9+, AX=0100h) ALLOCATE FREE CLUSTER ON SHARED DRIVE (INT 7F, Alloy NTNX (Slave), AH=06h) ALLOCATE GDT SELECTOR {protected mode} (INT 2C, Cloaking, AX=0000h) ALLOCATE HMAsee High Memory Area SPACE (INT 2F, DOS 5+, AX=4A02h) ALLOCATE HUGE SEGMENT (INT 21, OS/286, OS/386, AH=EAh) ALLOCATE LARGE MEMORY BLOCK {partially documented} (INT 60, HP 95LX System Manager, DI=0903h) ALLOCATE LDT DESCRIPTOR {protected mode, partially documented} (INT 21, Phar Lap 386/DOS-Extender v6.0+, AX=253Fh) ALLOCATE LDT DESCRIPTORS {protected mode} (INT 31, DPMIsee DOS Protected-Mode Interface 0.9+, AX=0000h) ALLOCATE LINEAR MEMORY BLOCK {protected mode} (INT 31, DPMIsee DOS Protected-Mode Interface 1.0+, AX=0504h) ALLOCATE MEMORY (INT 21, DOS 2+, AH=48h) ALLOCATE MEMORY BLOCK (INT 31, DOS32 v3.0+, AX=EE42h) ALLOCATE MEMORY BLOCK {protected mode} (INT 31, DPMIsee DOS Protected-Mode Interface 0.9+, AX=0501h) ALLOCATE MEMORY {protected mode, undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, Borland C++ 2.0 DPMILOAD.EXE, AX=FB42h/BX=0002h) ALLOCATE MEMORY {protected mode, undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, Borland C++ 3.0 DPMILOAD.EXE, AX=FB42h/BX=0002h) ALLOCATE MS-DOS MEMORY BLOCK {protected mode} (INT 21, Phar Lap 386/DOS-Extender, AX=25C0h) ALLOCATE NATIVE MODE MEMORY BLOCK (INT D4, PC-MOS/386 v3.0+, AH=11h) ALLOCATE PERMANENT DIRECTORY HANDLE (INT 21, Novell NetWare, AX=F216h) ALLOCATE PROTECTED-MODE SELECTOR {protected mode} (INT 21, FlashTek X-32VM, AX=3501h) ALLOCATE REAL MODE CALLBACK ADDRESS {protected mode} (INT 31, DPMIsee DOS Protected-Mode Interface 0.9+, AX=0303h) ALLOCATE REGULAR MEMORY BLOCK (INT 60, HP 95LX System Manager, DI=0900h) ALLOCATE RESOURCE (INT 21, Novell NetWare, Banyan VINES, AH=D8h) ALLOCATE SHARED MEMORY {protected mode} (INT 31, DPMIsee DOS Protected-Mode Interface 1.0+, AX=0D00h) ALLOCATE SHORT DIRECTORY HANDLE (INT 21, Novell NetWare v2+, AX=F257h) ALLOCATE SPECIAL TEMPORARY DIRECTORY HANDLE (INT 21, Novell NetWare v2+, AX=F216h/DX=0000h) ALLOCATE SPECIFIC LDT DESCRIPTOR {protected mode} (INT 31, DPMIsee DOS Protected-Mode Interface 0.9+, AX=000Dh) ALLOCATE STANDARD/RAW PAGES (INT 67, LIM EMSsee Expanded Memory Specification 4.0, AH=5Ah) ALLOCATE SWITCHER ID (INT 2F, DOS 5+ TASK SWITCHER, AX=4B03h) ALLOCATE SYSTEM MEMORY (INT 15, DESQview v2.40+, AX=102Eh) ALLOCATE TEMPORARY DIRECTORY HANDLE (INT 21, Novell NetWare, AX=F216h/DX=0000h) ALLOCATE V86see Virtual-86 Mode CALLBACK {protected mode} (INT 2C, Cloaking v1.01, AX=0031h) ALLOCATE/DEALLOCATE STREAM (INT 7F, G8BPQ v4.07+, HOST MODE, AH=0Dh) ALLOW AUTOMATIC ACTIVATION ON ANY INT 67 {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 21, Qualitas 386MAX v7.00+, AX=4403h) ALLOW TASK ACCESS TO FILE (INT 21, Novell NetWare v2+, AX=F24Eh) ALLOW TASK TO BE SWAPPED OUT (INT 62, Cswitch, AH=0Eh) Alloy 386/MultiWare (MW386), Novell-Type Network Executive (NTNX) (INT 7F) Alpha Keyer: Cbmax (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/E2h, ITT VPX 32xx) Alpha Keyer: Cbmin (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/E3h, ITT VPX 32xx) Alpha Keyer: Crmax (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/E4h, ITT VPX 32xx) Alpha Keyer: Crmin (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/E5h, ITT VPX 32xx) Alpha Keyer: Ymax (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/E0h, ITT VPX 32xx) Alpha Keyer: Ymin (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/E1h, ITT VPX 32xx) ALT-nnn KEYPAD WORKSPACE (MEM 0040h:0019h, KEYBOARD) ALTER PAGE MAP AND CALL (INT 67, LIM EMSsee Expanded Memory Specification 4.0, AH=56h) ALTER PAGE MAP AND JUMP (INT 67, LIM EMSsee Expanded Memory Specification 4.0, AH=55h) ALTER TEXT LINE SPACING (INT 17, INSET, AX=CD09h) ALTERNATE API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 66, PenDOS, PMOUSE) ALTERNATE CP/M-86One of the three operating systems offered by IBMInternational Busiuness Machines for its original PCIBM PC (the other two were MSDOS and the UCSD p-System). It has since evolved into DR-DOS version 6 and Novell DOS 7. FUNCTION CALLS (INT E1, MP/M-86,) alternate EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors., primary EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors. at 03C0 (PORTIBM PC Portable (uses same BIOS as XT) 02B0-02DF) Alternate Entry Point (CALL xxxxh:xxxxh, Microsoft Mouse Driver) ALTERNATE INSTALLATION CHECK (INT 16, TurboPower TSRs, AX=E0E0h) ALTERNATE INSTALLATION CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 16, PCIBM PC Tools v5.1-8.0 DESKTOP, AX=FFF1h/BX=0000h) ALTERNATE INSTALLATION CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 16, PCIBM PC Tools v7 only CPSCHED/DESKTOP, AX=FEF1h) ALTERNATE INSTALLATION CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 1A, Disk Spool II v2.07+, AH=C0h) ALTERNATE INT 10/AH=A0h (IRET) {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (CALL C000h:0064h, ATI Mach64 VIDEO BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly.) ALTERNATE INT 10/AH=A0h (RETF) {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (CALL C000h:0068h, ATI Mach64 VIDEO BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly.) ALTERNATE MAP REGISTER SET (INT 67, LIM EMSsee Expanded Memory Specification 4.0, AH=5Bh) ALTERNATE MULTIPLEX INTERRUPT SPECIFICATION (AMISAlternate Multiplex Interrupt Specification) [v3.6] (INT 2D) Alternate Multiplex Interrupt Specification TSRs (CALL xxxxh:xxxxh) ALTERNATE MULTIPLEX INTERRUPT {obsolete} (INT 7D, [obsoleted proposal]) ALTERNATE PRTSC (INT 10, VIDEO, ALTERNATE FUNCTION SELECT (PSIBM PS/2, any model,EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors.,VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers.,MCGAMulti-Color Graphics Array(Multi-Color Graphics Array) The low-end color adapter offered in IBMInternational Busiuness Machines's early PS/2IBM PS/2, any model series machines.), AH=12h/BL=20h) ALTERNATE SEGDEBUG IFACE {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, Microsoft Profiler (PROF.COM/VPROD.386), AX=4508h/BX=0000h/DX=0000h/SI=0000h) ALTERNATE STATUS CHECK (INT 14, Digiboard DigiCHANNEL PCIBM PC/X*, AH=08h) AMD Am53C974A PC-SCSI II SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (PORTIBM PC Portable (uses same BIOS as XT) xxxx) AMD Athlon - "PerfCnt[0]" PERFORMANCE COUNTER #0 (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. C001h:0004h) AMD Athlon - "PerfCnt[1]" PERFORMANCE COUNTER #1 (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. C001h:0005h) AMD Athlon - "PerfCnt[2]" PERFORMANCE COUNTER #2 (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. C001h:0006h) AMD Athlon - "PerfCnt[3]" PERFORMANCE COUNTER #3 (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. C001h:0007h) AMD Athlon - "PerfEvtSel[0]" PERFORMANCE EVENT SELECTOR #0 (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. C001h:0000h) AMD Athlon - "PerfEvtSel[1]" PERFORMANCE EVENT SELECTOR #1 (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. C001h:0001h) AMD Athlon - "PerfEvtSel[2]" PERFORMANCE EVENT SELECTOR #2 (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. C001h:0002h) AMD Athlon - "PerfEvtSel[3]" PERFORMANCE EVENT SELECTOR #3 (MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like. These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. C001h:0003h) AMD InterWave (PORTIBM PC Portable (uses same BIOS as XT) 032C-032F) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. - ??? (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 19h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. - ??? (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 36h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. 1990 Hyundai super-NB368S notebook - ??? (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 5Eh) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. 1990 Hyundai super-NB368S notebook - ??? (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 62h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. 1990 Hyundai super-NB368S notebook - ??? (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 64h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. 1990 Hyundai super-NB368S notebook - ??? (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 6Ah) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. 1990 Hyundai super-NB368S notebook (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 35h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. Hi-Flex BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - ??? (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 37h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. IAM.SYS - CLEAR ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=C081h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. IAM.SYS - INSTALL ??? CALLBACK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=C080h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. PCI BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 15, AX=DA00h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. PCI BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 15, AX=DA08h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. PCI BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 15, AX=DA8Eh) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. PCI BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - GET ??? AND BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. REVISION STRINGS {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 15, AX=DA05h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. PCI BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - GET ??? AND BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. REVISION STRINGS {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 15, AX=DA15h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. PCI BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - GET/SET ??? FLAG {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 15, AX=DA99h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. PCI BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - GET/SET ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 15, AX=DA14h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. PCI BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - GET/SET ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 15, AX=DA19h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. PCI BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - SET ??? FLAG {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 15, AX=A100h) AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. PCI BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. v1.00.05.AX1 - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 15, AH=DAh) Amplitude Color Killer Hysteresis (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/A9h, ITT VPX 32xx, FP) Amplitude Color Killer Threshold (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 86h/28h/A8h, ITT VPX 32xx, FP) Analog Backend (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 8Ah/3Ch, ITT VDP 3108, Test Register) ANALOG CONTROL #1 (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/20h, Philips SAA7110(A) ONE-CHIP FRONT-END) ANALOG CONTROL #2 (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/21h, Philips SAA7110(A) ONE-CHIP FRONT-END) Analog Fast Blank Input Enable (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 8Ah/4Bh, ITT VDP 31xxB) Analog Fast Blank Input Enable (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 8Ah/53h, ITT VDP 3108) ANARKEY.COM v2+ - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=E304h) ANARKEY.COM v2+ - GET ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=E301h) ANARKEY.COM v3+ - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=E302h) ANARKEY.COM v4.0 - GET ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=E306h) ANARKEY.COM v4.0 - GET ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=E307h) ANARKMD API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, ANARKEY.COM v3+, AX=E303h) AND-BITS TO ADJUST PORTIBM PC Portable (uses same BIOS as XT) ADDRESS (MEM 0040h:00D6h, EHD floppy) Andy C. McGuire SPEECH.COM/SAY.COM (INT F1) Andy C. McGuire SPEECH.COM/SAY.COM (INT F2) ANSIPLUS DEVICE STATUS REPORT (INT 2F, ANSIPLUS v2.00+, AX=1AADh) ANSWER MODEM AND SET TO FAX MODE (INT 2F, ZyXEL ZFAX v3+, RECEIVE FAX, AX=DB27h) ANSWER MODEM IN MULTI-AUDIO MODE (INT 2F, ZyXEL ZFAX v3+, RECEIVE FAX DATA, AX=DB28h) ANSWER MODEM WITH VOICE SYSTEM (INT 2F, ZyXEL ZFAX v3+, AX=DB25h) APCAL v3.20 - GET ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 16, AX=D724h/CX=00CBh) APCAL v3.20 - GET ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 16, AX=D724h/CX=00CCh) APCAL v3.20 - GET ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 16, AX=D724h/CX=00CDh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (moved to INT 7C, then INT 2F/AX=7F00h) {obsolete} (INT 7A, PRINDIR) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (CALL xxxxh:xxxxh, CTMMSYS.SYS) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 10, FRIEZE, AH=4Bh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 10, VESA(Video Electronics Standards Association) An industry group which sets both hardware and software standards and recommendations. The term VESA is also used to denote compliance with the VESA SuperVGA BIOS Extensions, a standard set of video BIOS functions for accessing video modes of higher resolution than those defined by IBMInternational Busiuness Machines. OEM(Original Equipment Manufacturer) a company which purchases components that are resold as part of its own products under the company's own brand name, e.g. a Gateway 2000-branded monitor may actually be a Mag or NEC monitor. Extensions, AX=4F14h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 10, VESA(Video Electronics Standards Association) An industry group which sets both hardware and software standards and recommendations. The term VESA is also used to denote compliance with the VESA SuperVGA BIOS Extensions, a standard set of video BIOS functions for accessing video modes of higher resolution than those defined by IBMInternational Busiuness Machines. VBE(VESA BIOS Extensions) The common software interface for video cards providing support for high resolution and bit depth./AF (Accelerator Functions), AX=4F17h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 10, VESA(Video Electronics Standards Association) An industry group which sets both hardware and software standards and recommendations. The term VESA is also used to denote compliance with the VESA SuperVGA BIOS Extensions, a standard set of video BIOS functions for accessing video modes of higher resolution than those defined by IBMInternational Busiuness Machines. VBE(VESA BIOS Extensions) The common software interface for video cards providing support for high resolution and bit depth./CI (Cursor Interface), AX=4F12h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 10, VESA(Video Electronics Standards Association) An industry group which sets both hardware and software standards and recommendations. The term VESA is also used to denote compliance with the VESA SuperVGA BIOS Extensions, a standard set of video BIOS functions for accessing video modes of higher resolution than those defined by IBMInternational Busiuness Machines. VBE(VESA BIOS Extensions) The common software interface for video cards providing support for high resolution and bit depth./FP (Flat Panel Interface), AX=4F11h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 10, VESA(Video Electronics Standards Association) An industry group which sets both hardware and software standards and recommendations. The term VESA is also used to denote compliance with the VESA SuperVGA BIOS Extensions, a standard set of video BIOS functions for accessing video modes of higher resolution than those defined by IBMInternational Busiuness Machines. VBE(VESA BIOS Extensions) The common software interface for video cards providing support for high resolution and bit depth./GC (Graphics System Configuration), AX=4F16h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 10, VIDEO, SCREENR v1.55+, AX=5049h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 12, Back&Forth v1.62+, AX=FFFEh/CX=FFFEh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 13, FAST! v4.02+, AH=80h/CX=6572h/DX=1970h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 13, PCIBM PC Tools v8+ VSAFE, VWATCH, AH=FAh/DX=5945h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 13, XDF.COM, AH=18h/CX=D2C9h/DX=0000h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 16, ATIBM PC AT.COM version 8/26/87, AX=8765h/BX=4321h/CX=FFFFh/DX=FFFFh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 16, BORLAND TURBO LIGHTNING, AH=EDh/BH=EDh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 16, CtrlAlt Associates STACKEY.COM v3.00, AH=CAh/BX=736Bh/CX=736Bh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 16, Frank Klemm Keyboard Driver v2.0, AH=4Bh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 16, TrLit, AX=5472h/BX=4C54h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 18, SPHINX C--, WB.COM, AX=5350h/BX=4849h/CX=4E58h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 1A, Intel PCMCIA ExCA Card Services, AH=9Dh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 1A, PCMCIA Socket Services v2.1, AH=AEh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 1A, PCMCIA v2 Card Services, AH=AFh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 21, 10NET v5.0, 10BEUI.DOS, AX=4402h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 21, 10NET v5.0, 10MEMMGR.SYS, AX=4402h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 21, DR Multiuser DOS 5.0, AX=4459h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, 4DOS.COM v2.1+, AX=D44Dh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, CappaCom programs, AH=DDh/AL=00h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, F-PROT v1.x only, F-DLOCK.EXE, AX=4653h/CX=0005h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, F-PROT v1.x only, F-LOCK.EXE, AX=4653h/CX=0002h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, F-PROT v1.x only, F-POPUP.EXE, AX=4653h/CX=0004h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, F-PROT v1.x only, F-XCHK.EXE, AX=4653h/CX=0003h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, GO! v3.22+, AX=FE00h/DX=474Fh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, KeyRus v7.3, AX=4B52h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, METZ XpressFax Hardware TSR(Terminate and Stay Resident) A program which remains in memory after terminating in order to provide services to other programs or the user. The name comes from the name of the DOS function call used to remain in memory after termination. (CLASS2), AH=C0h/AL=15h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, MIXFIX.EXE, AH=DDh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, NDOS, AX=E44Dh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, Network Courier E-Mail OPERATOR.EXE, AH=9Ch) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 2F, Network Courier E-Mail, AH=92h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 32, NOISE.SYS 0.53, AH=6Eh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 38, PC-MOS/386 v3.0) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 60, AccessDOS, AH=ADh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 60, Excelan LAN Workplace for DOS 3.5) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 60, Tangram Arbiter) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 61, TCPOpen kernel) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 61, XFS v1.76, XFSKRNL.EXE) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 66, PenDOS, VLOAD, AH=C5h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 67, Quadtel QMAPS, AH=DDh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 6B, Tandy SCHOOLMATE PLUS, AH=6Bh/AL=E0h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 78, ULTRAMID) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 78, UofSalford DBOS DOS extender) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 7C, PRINDIR v8.02-8.xx) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 7F, Halo88) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 81, Paragon Technology PTS/DOS 6.5x, S/DOS 1.0) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT DC, PCIBM PC/370 v4.1-) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT E0, GSX-86, GEM/1, GEM/2, CL=73h/CH=04h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT F2, ICCTSR 1.0, ImageCapture COLOR Developer's Kit) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (PORTIBM PC Portable (uses same BIOS as XT) 063E-063F, WINTEL.VXD) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. ACCESS (INT 7D, HyperPAD v2.2) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. POINTER (INT 0C, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SYSTEM 36/38 WORKSTATION EMULATION) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated., protected mode} (INT 21, Rational Systems DOS/4GW, AH=FFh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 16, TextWare TWTSR, AX=3577h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 21, Creative Technology CTMMSYS.SYS v1.00.01, AX=4402h/CX=0004h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 21, Creative Technology CTSB2.SYS v1.01.01, AX=4402h/CX=0004h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 21, Headroom, AX=5758h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 21, LAN Manager, TCPDRV.DOS, AX=4402h/CX=0019h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 21, PCIBM PC Tools v7+ VDEFEND, VSAFE, VWATCH, AH=FAh/DX=5945h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, Biologic HRAMDEV.SYS, AX=A189h) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, Conner Backup Exec AUTORES, AH=FBh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, LapLink Quick Connect v6, AX=D3CBh) API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, PC-Kwik Programs, AH=CCh/SI=5453h/AL=00h)