ConcCP/MConcurrent CP/M by Digital Research, now DR Multiuser DOS,DR Multiuser DOS - "S_MEMORY" - RESERVE MEMORY IN GLOBAL AREA (INT E0, CL=59h) ConcCP/MConcurrent CP/M by Digital Research, now DR Multiuser DOS,DR Multiuser DOS,REAL/32 - "S_OSVER" - GET OS VERSION (INT E0, CL=A3h) Conditional Move (OPCODE CMOVcc) CONFIG$ device - SET??? CONFIGURATION INFORMATION {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, MS-DOS 7.0+, AX=4403h) CONFIGURATION BITS (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 11h, AWARD) CONFIGURATION BITS (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 11h, Quadtel HT12 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. 03.05.03) Configuration Bits (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 13h, AWARD) CONFIGURATION BITS (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 1Bh, AWARD) CONFIGURATION BITS (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 3Bh, AWARD) CONFIGURATION CONTROL REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0023, Cyrix 5x86 PROCESSOR) CONFIGURATION CONTROL REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0023, Cyrix 6x86 PROCESSOR) CONFIGURATION CRC HIGH BYTE (see entry for 32h) (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 33h, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PS/2IBM PS/2, any model) CONFIGURATION CRC LOW BYTE (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 32h, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PS2) CONFIGURATION OPTIONS (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 2Dh, 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.) CONFIGURATION RECORD (INT F7, FSBBS 2.0, AH=00h) CONFIGURATION REGISTER (PORTIBM PC Portable (uses same BIOS as XT) 0279, Plug-and-Play) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0023, Chips&Technologies 82C100/110) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0023, Chips&Technologies 82C311) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0023, Chips&Technologies 82C315) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0023, Chips&Technologies 82C316) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0023, Chips&Technologies 82C811/82C812) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0023, Chips&Technologies 84031/84035) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0023, Cyrix 486S2/D2/DX/DX2/DX4 PROCESSOR) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0023, OPTi 82C206 chipset) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0024, OPTi 82C281/282/283 CHIPSETS) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0024, OPTi 82C291/82C295 CHIPSETS) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0024, OPTi 82C381/82C382 CHIPSETS) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0024, OPTi 82C463MV CHIPSET) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0022-0024, OPTi 82C493 System Controller (SYSC)) CONFIGURATION REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 002E-002F, NS PC87306 SuperI/O) Configuration Registers (PORTIBM PC Portable (uses same BIOS as XT) 0CF8-0CFA, PCI Configuration Mechanism 2) Configuration Registers (PORTIBM PC Portable (uses same BIOS as XT) 0CF8-0CFF, PCI Configuration Mechanism 1) CONFIGURATION SPACE (PORTIBM PC Portable (uses same BIOS as XT) C000-CFFF, PCI Configuration Mechanism 2) CONFIGURATION STATUS 0 (PORTIBM PC Portable (uses same BIOS as XT) 12EE, ATI Mach32) CONFIGURATION STATUS 1 (PORTIBM PC Portable (uses same BIOS as XT) 16EE, ATI Mach32) CONFIGURE (INT 2F, MODRES, AX=8227h) CONFIGURE FROM SYSINFO.SYS (CALL 0060h:0039h, Eagle MS-DOS v1.25 IO.SYS) CONFIGURE PORTIBM PC Portable (uses same BIOS as XT) (INT 14, COURIERS.COM, AH=82h) CONFIGURE {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, xDISK v3.31, AX=4404h/CX=0047h) CONFIRM (INT 68, APPC/PCIBM PC, CONNECTION CONTROL, AH=02h) CONFIRMED (INT 68, APPC/PCIBM PC, CONNECTION CONTROL, AH=02h) CONNECT 16-BIT PROTMODE INTERFACE {real mode} (INT 15, Advanced Power Management v1.0+, AX=5302h) CONNECT 32-BIT PROTMODE INTERFACE (INT 15, Advanced Power Management v1.0+, AX=5303h) CONNECT REAL-MODE INTERFACE (INT 15, Advanced Power Management v1.0+, AX=5301h) CONNECT TO PORTIBM PC Portable (uses same BIOS as XT) (INT 14, 3com BAPI SERIAL I/O, AH=A0h) CONNECT TO TARGET (INT 7D, SCSILink, AH=01h) CONNECTION CONTROL (INT 21, Novell NetWare, AH=E3h) Connection Manager - ??? {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 14, AH=6Fh/BX=FFFEh) Connection Manager CLIENT.EXE - ??? (INT 6B, AH=20h) Contrast / Noise Shaping (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/E7h, ITT VPX 32xx) CONTRAST (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/12h, Philips TDA8366) CONTRAST CONTROL FOR TEXT/GRAPHICS (INT 10, VIDEO, FLAT-PANEL, AX=1E06h) CONTRAST SETTING (INT 10, VIDEO, FLAT-PANEL, AX=1E08h) 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/0Fh, Philips SAA7110(A) ONE-CHIP FRONT-END) 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/10h, Philips SAA7110(A) ONE-CHIP FRONT-END) CONTROL (INT 6B, Novell NASI/NACS, Ungermann-Bass Net One SERIAL I/O, AX=0600h) CONTROL BATTERY CHANGE FACILITIES (APM) (INT 15, HUNTER 16, AH=7Eh/AL=00h) CONTROL BREAK KEYS (INT 16, HUNTER 16, AH=2Dh/BX=0708h/CX=0910h/DX=1112h) CONTROL BYTE {IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. documented only for XTIBM PC XT} (MEM 0040h:0076h, FIXED DISK) CONTROL COMBI-disk (INT 21, COMBI-disk v1.13, AX=4405h) CONTROL CTRL-ALT-DEL (INT 16, HUNTER 16, AH=22h/BX=0708h/CX=0910h/DX=1112h) CONTROL CTS HANDSHAKING (INT 14, HUNTER 16, AH=24h) CONTROL EMERGENCY BREAKOUT (INT 16, HUNTER 16, AH=23h/BX=0708h/CX=0910h/DX=1112h) CONTROL HANDSHAKE LINES (INT 14, HUNTER 16, AH=23h) CONTROL HOT KEY (INT 15, HUNTER 16, AH=7Bh/AL=00h) CONTROL HOT KEY POWER OPTION (INT 15, HUNTER 16, AH=7Ch/AL=00h) CONTROL KEY REPEAT (INT 16, HUNTER 16, AH=2Ah) CONTROL KEYCLICK (INT 16, HUNTER 16, AH=26h) CONTROL POWER DOWN AVAILABILITY (INT 15, HUNTER 16, AH=69h) CONTROL POWER INPUT (SPM) (INT 15, HUNTER 16, AH=8Ah/SI=1234h/DI=5678h) CONTROL POWER OUTPUT (INT 15, HUNTER 16, AH=81h) CONTROL POWER SAVE (INT 15, HUNTER 16, AH=76h) CONTROL QUEUE (INT 21, LANtastic, AX=5FA2h) CONTROL REGISTER 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. 0000h:2000h, Pentium Pro/II) CONTROL REGISTER 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. 0000h:2002h, Pentium Pro/II) CONTROL REGISTER 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. 0000h:2003h, Pentium Pro/II) CONTROL REGISTER 4 (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:2004h, Pentium Pro/II) CONTROL REGISTER (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. 3Ah/6Ah, ITT MAS 3507D MPEG Audio Decoder) CONTROL REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 0AD6-0AD7, Chips & Technologies PCIBM PC Video (82C9001A)) CONTROL REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) xxxx, Ensoniq AudioPCI ES1370) CONTROL REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) xxxx, Ensoniq AudioPCI-97 ES1371) CONTROL RESUME MODE (INT 15, HUNTER 16, AH=64h) CONTROL RI POWER UP (INT 14, HUNTER 16, AH=26h/AL=00h) CONTROL RS232 DRIVERS (INT 14, HUNTER 16, AH=25h) CONTROL SCREEN DUMP AREA (INT 16, HUNTER 16, AH=27h) CONTROL SCREEN SYNCHRONISATION (INT 15, HUNTER 16, AH=83h) CONTROL SHIFT KEYS (INT 16, HUNTER 16, AH=21h) CONTROL SLOW MODE (INT 15, HUNTER 16, AH=6Ah) CONTROL SOUND (INT 15, HUNTER 16, AH=70h) CONTROL STOP MODE (INT 15, HUNTER 16, AH=67h) CONTROL-BREAK HANDLER {callout or callback} (INT 1B, KEYBOARD) CONTROL-C/CONTROL-BREAK HANDLER (INT 23, DOS 1+) CONTROLLER ERROR STATUS [not XTIBM PC XT] (MEM 0040h:008Dh, FIXED DISK) CONTROLLER INTERNAL DIAGNOSTIC (INT 13, HARD DISK, AH=14h) CONTROLLER RAM(Random Access Memory) See also DRAM, SRAM. DIAGNOSTIC (XTIBM PC XT,PSIBM PS/2, any model) (INT 13, HARD DISK, AH=12h) CONTROLLER STATUS [not XTIBM PC XT] (MEM 0040h:008Ch, FIXED DISK) CONVERGENT TECHNOLOGIES ClusterShare CTOS ACCESS VECTOR (INT 7F, CX=4354h) CONVERT (INT 68, APPC/PCIBM PC, AH=FBh) CONVERT DOS FILE HANDLE TO NETWARE (INT 21, Novell NetWare, NetWare shell, AX=E909h) CONVERT FAX (INT 2F, ZyXEL ZFAX v3+, AX=DB13h) CONVERT FILE AND SEND FAX (INT 66, BitFax Scheduler, AH=05h) CONVERT LINEAR TO PHYSICAL ADDRESS {protected mode} (INT 21, Phar Lap 386/DOS-Extender, AX=2509h) Convert Packed F.P. to 32-bit Integer (OPCODE PF2ID) CONVERT PATH TO DIRECTORY ENTRY (INT 21, Novell NetWare v3+, AX=F217h) CONVERT PROTECTED AREA TO ENTIRE SCREEN (INT 2F, QRIP/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., AX=AC11h/DI=1092h) CONVERT PROTECTED-MODE ADDRESS TO MS-DOS {protected mode} (INT 21, Phar Lap 386/DOS-Extender, AX=250Fh) CONVERT SEGMENT TO SELECTOR {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=0010h) CONVERT SELECTOR TO SEGMENT NUMBER {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=0023h) CONVERT STATE CODE TO STATE NAME (INT B3, ZIPKEY, AH=73h) CONVERT STATE CODE TO TWO-LETTER ABBREVIATION (INT B3, ZIPKEY, AH=72h) CONVERT TASK ID TO TASK INDEX (INT 2F, DR DOS 6.0 TaskMAX, AX=270Bh) CONVERT TASK INDEX TO TASK ID (INT 2F, DR DOS 6.0 TaskMAX, AX=270Ah) CONVERT TEXT STRING TO SPEECH (INT F1, SPEECH.COM) CONVERT TWO-LETTER ABBREVIATION TO STATE CODE (INT B3, ZIPKEY, AH=71h) CONVERT VOICE FILE (INT 2F, ZyXEL ZFAX v3+, AX=DB22h) CONVERT ZIPCODE TO ASCII DIGITS (INT B3, ZIPKEY, AH=74h) COPROCESSOR ERROR {callout or callback} (INT 10, CPU-generated (80286+)) COPY AND VERIFY CONFIG TABLE (INT 1A, Intel Plug-and-Play AUTO-CONFIGURATION, AX=B402h) COPY DATA DIRECTLY INTO PASTE BUFFER (INT 2F, DR DOS 6.0 TaskMAX, AX=2718h) COPY DATA TO CLIPBOARD {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=FFC9h) COPY EXTENDED MEMORY (INT 15, SYSTEM, AH=87h/CX=8000h) COPY EXTENDED MEMORY (INT 1F, NEC PC-9801, AH=90h/SI=0000h/DI=0000h) COPY FILE (INT 21, LANtastic, AX=5F97h) COPY FILE TO FILE (FCBsee File Control Block) {obsolete} (INT 21, Novell NetWare, AH=E6h) COPY FROM ONE FILE TO ANOTHER (INT 21, Novell NetWare, AX=F24Ah) COPY INTO DMAsee Direct Memory Access BUFFER (INT 4B, Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations., AX=8109h/DX=0000h) COPY INTO EXTENDED BUFFER (INT 16, K3PLUS v6.00+ (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. v2.0+), AX=AF25h/BX=4B33h) COPY INTO EXTENDED BUFFER {obsolete} (INT 16, K3 v1.5x, K3PLUS v5.xx, AH=25h) COPY LAT COUNTERS (INT 6A, DECnet DOS LOCAL AREA TRANSPORT, AX=D400h/DH=FFh) COPY OUT OF DMAsee Direct Memory Access BUFFER (INT 4B, Virtual DMA SpecificationA set of interrupt calls which permit the use of DMA even on systems running in protected or Virtual-86 mode with their address remapping, or systems such as Micro Channel PSIBM PS/2, any model/2s with multiple bus masters independently performing DMA operations., AX=810Ah/DX=0000h) COPY SERVICE (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) CORDLESS KEYBOARD TRANSLATION (PCjr) (INT 48, KEYBOARD) Core - ??? {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 RemoteAccess (LLRA), AX=C002h) Coring (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/6Dh, ITT VDP 3108, Luma Peaking Filter) COUNT OF DAYS SINCE LAST BOOT (MEM 0040h:00CEh) COUNTRY-DEPENDENT CHARACTER CAPITALIZATION (INT 21, DOS 4.0+, AH=65h) COUNTRY-DEPENDENT FILENAME CAPITALIZATION {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, DOS 4.0+ internal, AH=65h) Covox 'Speech Thing' COMPATIBLE SPEECH OUTPUT (PORTIBM PC Portable (uses same BIOS as XT) 0378) Covox 'Speech Thing' COMPATIBLES (PORTIBM PC Portable (uses same BIOS as XT) 0278) CPI-standard virusA program which attaches itself to other programs for the purpose of duplicating itself. Viruses often (but not always) contain harmful code which is triggered by some event, after a certain number of reproductions, or on a specific date. See also worm. - "FRIEND" CHECK {callout or callback} (INT 12, AX=4350h/BX=4920h/CX=AB46h/DX=554Eh) CPU(Central Processing Unit) The microprocessor which executes programs on your computer. BUSY (INT 15, Advanced Power Management v1.0+, AX=5306h) CPU(Central Processing Unit) The microprocessor which executes programs on your computer. Identification (OPCODE CPUID) CPU(Central Processing Unit) The microprocessor which executes programs on your computer. IDLE (INT 15, Advanced Power Management v1.0+, AX=5305h) CPU(Central Processing Unit) The microprocessor which executes programs on your computer. SPEED CONTROL {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, 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., AX=DA01h) CPU(Central Processing Unit) The microprocessor which executes programs on your computer. SPEEDS (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. (PicoPower)) CPU(Central Processing Unit) The microprocessor which executes programs on your computer. TYPE/MASK REVISION (MEM 0040h:00BCh, 1993 Phoenix 486 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. 1.03 PCI) CPU(Central Processing Unit) The microprocessor which executes programs on your computer. VIDEO MEMORY CONTROL (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. SuperVGA 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., AX=4F05h) CPU(Central Processing Unit) The microprocessor which executes programs on your computer./VIDEO CONFIGURATION (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) CREATE A QUEUE (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=04h) CREATE ALIAS DESCRIPTOR {protected mode} (INT 31, DPMIsee DOS Protected-Mode Interface 0.9+, AX=000Ah) CREATE ALLOCATED PAGES {protected mode, partially documented} (INT 21, Phar Lap 386/DOS-Extender, AX=252Bh/BH=01h) CREATE BINDERY OBJECT (INT 21, Novell NetWare, AX=F217h/DX=0000h) CREATE BINDERY OBJECT (INT 21, Novell NetWare, BINDERY SERVICES, AH=E3h) CREATE CHARACTER SCALAR/VECTOR/MATRIX <64K IN SIZE (INT 88, APL(A Programming Language) An interactive, mathematically- oriented language which is well-suited to manipulating matrices. Originally using greek letters and numerous special symbols, thus requiring a special display, versions are now available which use keywords in place of the special symbols.*PLUS/PCIBM PC, AL=01h) CREATE CHILD PSPsee Program Segment Prefix (INT 21, DOS 2+ internal, AH=55h) CREATE CODE SEGMENT (INT 21, OS/286, OS/386, AH=E7h) CREATE DIRECTORY (INT 21, Novell NetWare, AX=F216h/DX=0000h) CREATE DIRECTORY (INT 21, Novell NetWare, DIRECTORY SERVICES, AH=E2h) CREATE DOS TASK (INT 7F, Alloy MW386, AH=E0h) CREATE FILE (INT 21, Novell NetWare, AX=F243h) CREATE FLOATING POINT SCALAR/VECTOR/MATRIX <64K IN SIZE (INT 88, APL(A Programming Language) An interactive, mathematically- oriented language which is well-suited to manipulating matrices. Originally using greek letters and numerous special symbols, thus requiring a special display, versions are now available which use keywords in place of the special symbols.*PLUS/PCIBM PC, AL=08h) CREATE INDIRECT FILE (INT 21, LANtastic v3+, AX=5FB4h) CREATE INTEGER SCALAR/VECTOR/MATRIX <64K IN SIZE (INT 88, APL(A Programming Language) An interactive, mathematically- oriented language which is well-suited to manipulating matrices. Originally using greek letters and numerous special symbols, thus requiring a special display, versions are now available which use keywords in place of the special symbols.*PLUS/PCIBM PC, AL=02h) CREATE NAME (INT 88, APL(A Programming Language) An interactive, mathematically- oriented language which is well-suited to manipulating matrices. Originally using greek letters and numerous special symbols, thus requiring a special display, versions are now available which use keywords in place of the special symbols.*PLUS/PCIBM PC, AL=FEh) CREATE NEW FILE (INT 21, DOS 3.0+, AH=5Bh) CREATE NEW FILE (INT 21, Novell NetWare, AX=F24Dh) CREATE NEW FILE {partially documented} (INT 60, HP 95LX System Manager, DI=0502h) CREATE NEW PROGRAM SEGMENT PREFIX (INT 21, DOS 1+, AH=26h) CREATE NEW TASK (INT 2F, DR DOS 6.0 TaskMAX, AX=2707h) CREATE OBJECT OF ARBITRARY RANK OR SHAPE (INT 88, APL(A Programming Language) An interactive, mathematically- oriented language which is well-suited to manipulating matrices. Originally using greek letters and numerous special symbols, thus requiring a special display, versions are now available which use keywords in place of the special symbols.*PLUS/PCIBM PC, AL=00h) CREATE OR OPEN FILE (INT 21, Windows95, LONG FILENAME, AX=716Ch) CREATE OR TRUNCATE FILE USING FCBsee File Control Block (INT 21, DOS 1+, AH=16h) CREATE OR TRUNCATE FILE {partially documented} (INT 60, HP 95LX System Manager, DI=0503h) CREATE PASSWORD ENTRY {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=1020h) CREATE PHYSICAL DEVICE PAGES {protected mode, partially documented} (INT 21, Phar Lap 386/DOS-Extender, AX=252Bh/BH=02h) CREATE PROPERTY (INT 21, Novell NetWare, AX=F217h/DX=0000h) CREATE PROPERTY (INT 21, Novell NetWare, BINDERY SERVICES, AH=E3h) CREATE QUEUE (INT 21, Novell NetWare v2.1+, AX=F217h) CREATE QUEUE (INT 21, Novell NetWare, QUEUE SERVICES, AH=E3h) CREATE QUEUE JOB AND FILE (OLD) (INT 21, Novell NetWare v2.1+, AX=F217h) CREATE QUEUE JOB AND FILE (INT 21, Novell NetWare, AX=F217h) CREATE QUEUE JOB AND FILE (INT 21, Novell NetWare, QUEUE SERVICES, AH=E3h) CREATE SUBST (INT 21, Windows95, LONG FILENAME, AX=71AAh/BH=00h) CREATE TASK {callout or callback} (INT 2F, DESQview v2.26+ External Dev Interface, AX=DE06h) CREATE TEMPORARY FILE (INT 21, DOS 3.0+, AH=5Ah) CREATE UNMAPPED PAGES {protected mode, partially documented} (INT 21, Phar Lap 386/DOS-Extender, AX=252Bh/BH=00h) CREATE USER AUDIT ENTRY (INT 21, LANtastic, AX=5FA7h) CREATE/OPEN/DELETE FILE {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=FFD4h/BH=3Ch) CREATE/TRUNCATE FILE WITHOUT CDSsee Current Directory Structure {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, NETWORK REDIRECTOR, AX=1118h) CREATE/TRUNCATE REMOTE FILE {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, NETWORK REDIRECTOR, AX=1117h) CRITICAL ERROR HANDLER {callout or callback} (INT 24, DOS 1+) CRT CONTROL (PORTIBM PC Portable (uses same BIOS as XT) 4AE8-4AE9, 8514/A and compatible) CRT CONTROL REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 03D4-03D5, COLOR VIDEO) CRT CONTROLLER BASE I/O PORTIBM PC Portable (uses same BIOS as XT) ADDRESS (MEM 0040h:0063h, VIDEO) CRT MAPPING HOOK {callout or callback} (INT 57, TI Professional PCIBM PC, ES=DE00h) CRT MODE AND STATUS REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 03D8-03DF, COLOR VIDEO) CRT MONITOR DETECTION (INT 10, PhoenixVIEW/LC, AX=A01Bh) Crystal Oscil. Center Freq Adj (Locked) (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/59h, ITT VPX 32xx, FP) Crystal Oscil. Center Frequency Adjust (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/58h, ITT VPX 32xx, FP) Crystal Oscillator Line-Locked Mode (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/26h, ITT VPX 32xx, FP) Crystal Semiconductor CDB4922 evaluation board (PORTIBM PC Portable (uses same BIOS as XT) 0340) Crystal Semiconductor CS4920/CS4920A/CS4921/CS4922 (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. xxh) CS4952/53 - "BKG_COLOR" (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. xxh/08h) CS4952/53 - "C_AMP" (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. xxh/0Dh) CS4952/53 - "CC_21_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. xxh/19h) CS4952/53 - "CC_21_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. xxh/1Ah) CS4952/53 - "CC_284_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. xxh/1Bh) CS4952/53 - "CC_284_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. xxh/1Ch) CS4952/53 - "CC_EN" (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. xxh/18h) CS4952/53 - "CONTROL_0" (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. xxh/00h) CS4952/53 - "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. xxh/01h) CS4952/53 - "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. xxh/02h) CS4952/53 - "DAC(Digital-to-Analog Converter) A hardware device (in its simplest form, nothing more than a set of interconnected resistors) which converts a digital number into an analog signal whose voltage is proportional to the value of the digital number. VGAVideo Graphics Array and later color video boards use DACs to convert color values into the analog signals sent to the display; sound boards normally use DACs as well." (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. xxh/04h) CS4952/53 - "GPIO_CTRL_REG" (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. xxh/09h) CS4952/53 - "GPIO_DATA_REG" (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. xxh/0Ah) CS4952/53 - "HUE_LSB" (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. xxh/15h) CS4952/53 - "HUE_MSB" (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. xxh/16h) CS4952/53 - "I2C_ADR" 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. 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. xxh/0Fh) CS4952/53 - "ID_REG" (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. xxh/3Dh) CS4952/53 - "INT_CLR" (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. xxh/3Ch) CS4952/53 - "INT_EN" (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. xxh/3Bh) CS4952/53 - "SC_AMP" (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. xxh/10h) CS4952/53 - "SC_SYNTH0" (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. xxh/11h) CS4952/53 - "SC_SYNTH1" (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. xxh/12h) CS4952/53 - "SC_SYNTH2" (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. xxh/13h) CS4952/53 - "SC_SYNTH3" (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. xxh/14h) CS4952/53 - "STATUS" (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. xxh/07h) CS4952/53 - "Y_AMP" (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. xxh/0Eh) Ctrl-Break FLAG (MEM 0040h:0071h) CTRL-G INTERCEPT {partially documented} (INT 94, Media Vision PCM.COM, AL=01h/SI=8017h) Current AGC Gain Value (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/20h, ITT VPX 32xx, FP) CURRENT COUNT REGISTER (CCR) TIMER (MEM FEE0h:0390h, Pentium +, LOCAL APIC) CURRENT MODE SELECT REGISTER (MEM 0040h:0065h, VIDEO) CURRENT PAGE NUMBER (MEM 0040h:0062h, VIDEO) CURRENT PAGE START ADDRESS IN REGEN BUFFER (MEM 0040h:004Eh, VIDEO) CURRENT PORTIBM PC Portable (uses same BIOS as XT) (used by VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers. initializatn only) (MEM 0040h:00DAh, Digiboard MV/4) CURRENT SETTING OF 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. PALETTE REGISTER (MEM 0040h:0066h, VIDEO) CURRENT VIDEO MODE (MEM 0040h:0049h, VIDEO) CURRENT X POSITION 2 (PORTIBM PC Portable (uses same BIOS as XT) 86EA-86EB, S3 Trio64) CURRENT X POSITION (PORTIBM PC Portable (uses same BIOS as XT) 86E8-86E9, 8514/A and compatible) CURRENT Y POSITION 2 (PORTIBM PC Portable (uses same BIOS as XT) 82EA-82EB, S3 Trio64) CURRENT Y POSITION (PORTIBM PC Portable (uses same BIOS as XT) 82E8-82E9, 8514/A and compatible) currently 19h) (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 32h, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911., CENTURY BYTE (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. value for the century) CURSOR CONTROL (PORTIBM PC Portable (uses same BIOS as XT) A3D0-BFD3, Chips&Techs 64310, 32-BIT EXTENSION REGS) CURSOR EMULATION (INT 10, VIDEO, ALTERNATE FUNCTION SELECT (VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers.), AH=12h/BL=34h) CURSOR POSITIONS (MEM 0040h:0050h, VIDEO) CURSOR TYPE (MEM 0040h:0060h, VIDEO) CUSTOM SUBFUNCTION (INT 2F, CS_TSR specification, AX=8003h) CUSTOM SUBFUNCTION, DVSIXDI.COM (INT 2F, DESQview v2.26+ XDIsee External Device Interface, AX=DE01h/BX=7575h) CUSTOM SUBFUNCTION, DVTXDI.COM (INT 2F, DESQview v2.26+ XDIsee External Device Interface, AX=DE01h/BX=7474h) CUSTOM SUBFUNCTION, Ralf Brown's XDIsee External Device Interface drivers (INT 2F, DESQview v2.26+ XDIsee External Device Interface, AX=DE01h/BX=5242h) Cutoff (Blue) (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/66h, ITT VDP 3108) Cutoff (Green) (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/6Ah, ITT VDP 3108) Cutoff (Red) (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/6Eh, ITT VDP 3108) Cutoff/Leakage Blue (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/1Bh, ITT VDP 3108, Measurement Result) Cutoff/Leakage Green (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/1Ch, ITT VDP 3108, Measurement Result) Cutoff/Leakage Red (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/1Dh, ITT VDP 3108, Measurement Result) Da Vinci eMail Dispatcher - "NetChangePassword" (INT 92, AX=E112h) Da Vinci eMail Dispatcher - "NetCheckDriver" (INT 92, AX=E102h/BX=0000h) Da Vinci eMail Dispatcher - "NetCheckQueue" (INT 92, AX=E10Bh) Da Vinci eMail Dispatcher - "NetClose" (INT 92, AX=E10Ah) Da Vinci eMail Dispatcher - "NetDeleteAltRoutes" (INT 92, AX=E111h) Da Vinci eMail Dispatcher - "NetErrorFix" (UNUSED) (INT 92, AX=E109h) Da Vinci eMail Dispatcher - "NetGetAltRoute" (INT 92, AX=E110h) Da Vinci eMail Dispatcher - "NetGetError" (INT 92, AX=E107h/BX=0002h) Da Vinci eMail Dispatcher - "NetInitCheck" (INT 92, AX=E101h/BX=0000h) Da Vinci eMail Dispatcher - "NetInitStart" (INT 92, AX=E100h) Da Vinci eMail Dispatcher - "NetOpen" (INT 92, AX=E105h) Da Vinci eMail Dispatcher - "NetRead" (INT 92, AX=E106h/BX=0004h) Da Vinci eMail Dispatcher - "NetReadQueue" (INT 92, AX=E10Ch) Da Vinci eMail Dispatcher - "NetRemoveName" (INT 92, AX=E10Eh) Da Vinci eMail Dispatcher - "NetSetAltRoute" (INT 92, AX=E113h) Da Vinci eMail Dispatcher - "NetSubmitName" (INT 92, AX=E10Dh) Da Vinci eMail Dispatcher - "NetTerminate" (INT 92, AX=E103h/BX=0000h) Da Vinci eMail Dispatcher - "NetWhereIs" (INT 92, AX=E104h) Da Vinci eMail Dispatcher - "NetWrite" (INT 92, AX=E108h) Da Vinci eMail Dispatcher - IS ANYONE THERE? QUERY (INT 92, AX=E10Fh/BX=0000h) Da Vinci eMail Dispatcher INTERFACE (INT 92, AH=E1h) DAC(Digital-to-Analog Converter) A hardware device (in its simplest form, nothing more than a set of interconnected resistors) which converts a digital number into an analog signal whose voltage is proportional to the value of the digital number. VGAVideo Graphics Array and later color video boards use DACs to convert color values into the analog signals sent to the display; sound boards normally use DACs as well. color registers (PORTIBM PC Portable (uses same BIOS as XT) 83C6-83C9, Chips&Technologies 64200 (Wingine)) DAC(Digital-to-Analog Converter) A hardware device (in its simplest form, nothing more than a set of interconnected resistors) which converts a digital number into an analog signal whose voltage is proportional to the value of the digital number. VGAVideo Graphics Array and later color video boards use DACs to convert color values into the analog signals sent to the display; sound boards normally use DACs as well. color registers (PORTIBM PC Portable (uses same BIOS as XT) 83C6-83C9, Compaq Qvision 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).) DAC(Digital-to-Analog Converter) A hardware device (in its simplest form, nothing more than a set of interconnected resistors) which converts a digital number into an analog signal whose voltage is proportional to the value of the digital number. VGAVideo Graphics Array and later color video boards use DACs to convert color values into the analog signals sent to the display; sound boards normally use DACs as well. REGISTERS (alternate address) (PORTIBM PC Portable (uses same BIOS as XT) 02C6-02C9, 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.) DAC(Digital-to-Analog Converter) A hardware device (in its simplest form, nothing more than a set of interconnected resistors) which converts a digital number into an analog signal whose voltage is proportional to the value of the digital number. VGAVideo Graphics Array and later color video boards use DACs to convert color values into the analog signals sent to the display; sound boards normally use DACs as well. REGISTERS (PORTIBM PC Portable (uses same BIOS as XT) 03C6-03C9, 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.) data aquisition (ATIBM PC AT) (PORTIBM PC Portable (uses same BIOS as XT) 02E0-02EF) data aquisition (adapter 1) (PORTIBM PC Portable (uses same BIOS as XT) 06E2-06E3) DATA AREA (MEM 0000h:0500h) DATA BYTE 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. 28h/81h, Philips SAA5252) DATA BYTE 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. 28h/82h, Philips SAA5252) DATA LINK LAYER (INT 69, DECnet DOS 2.1+, AH=0Ah) DATA LINK LAYER PROGRAM (INT 6D, DECnet DOS (before 2.1)) DATA MIGRATION FILE INFORMATION (INT 21, Novell NetWare, AX=F25Ah) DATA MIGRATION SUPPORT MODULE INFORMATION (INT 21, Novell NetWare, AX=F25Ah) DATA REGISTER (READ) (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. 3Ah/69h, ITT MAS 3507D MPEG Audio Decoder) DATA REGISTER (WRITE) (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. 3Ah/68h, ITT MAS 3507D MPEG Audio Decoder) DATABASE ENGINE 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 47, SQL(Structured Query Language) Base, AX=8000h) DATAPATH CONFIGURATION (PORTIBM PC Portable (uses same BIOS as XT) CEEE, ATI Mach8/Mach32) DATE ALARM (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 7Dh, AMD-645 Clock) DATE CENTURY BYTE (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 37h, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PS/2IBM PS/2, any model) DATE OF MONTH (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 07h, RTCsee Real-Time Clock) DAY OF WEEK (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 06h, RTCsee Real-Time Clock) DBLSPACE.BIN - "ActivateDrive" - MOUNT COMPRESSED DRIVE (INT 2F, AX=4A11h/BX=0005h) DBLSPACE.BIN - "DeactivateDrive" - UNMOUNT COMPRESSED DRIVE (INT 2F, AX=4A11h/BX=0006h) DBLSPACE.BIN - "DSGetEntryPoints" - GET DEVICE DRIVER ENTRY POINTS (INT 2F, AX=4A11h/BX=0003h) DBLSPACE.BIN - "DSSetEntryPoints" - SET DEVICE DRIVER ENTRY POINTS (INT 2F, AX=4A11h/BX=0004h/DH=00h) DBLSPACE.BIN - "GetDriveMapping" - GET DRIVE MAPPING (INT 2F, AX=4A11h/BX=0001h) DBLSPACE.BIN - "GetDriveSpace" - GET SPACE AVAIL ON COMPRESSED DRIVE (INT 2F, AX=4A11h/BX=0007h) DBLSPACE.BIN - "GetExtraInfo" - DETERMINE NUMBER OF DISK_UNIT STRUCTS (INT 2F, AX=4A11h/BX=0009h) DBLSPACE.BIN - "GetFileFragmentSpace" - GET SIZE OF FRAGMENT HEAP (INT 2F, AX=4A11h/BX=0008h) DBLSPACE.BIN - "GetVersion" - INSTALLATION CHECK (INT 2F, AX=4A11h/BX=0000h) DBLSPACE.BIN - "Swap Drive" - SWAP DRIVE LETTERS OF CVF AND HOST DRIVE (INT 2F, AX=4A11h/BX=0002h) DBLSPACE/MRCI STEALTH PACKET 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, DBLSPACE.BIN, AX=4A13h) DBOS DOS ExtenderA program which allows a program to run in protected mode while still retaining access to real-mode MSDOS services. See also Protected Mode. (INT 79) DCA 3278 (PORTIBM PC Portable (uses same BIOS as XT) 0348-0357) DEACTIVATE 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=1Dh) DEACTIVATE 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=D005h) DEALLOCATE (INT 68, APPC/PCIBM PC, CONNECTION CONTROL, AH=02h) DEALLOCATE DIRECTORY HANDLE (INT 21, Novell NetWare, AX=F216h/DX=0000h) DEALLOCATE DIRECTORY HANDLE (INT 21, Novell NetWare, DIRECTORY SERVICES, AH=E2h) DEALLOCATE DMAsee Direct Memory Access ARBITRATION LEVEL (INT 15, later PSIBM PS/2, any model/2s, AH=CFh) DEALLOCATE PROTECTED-MODE SELECTOR {protected mode} (INT 21, FlashTek X-32VM, AX=3502h) DEALLOCATE RESOURCE (INT 21, Novell NetWare, Banyan VINES, AH=D9h) DEBUG REGISTER 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. 0000h:1000h, Pentium Pro) DEBUG REGISTER 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. 0000h:1001h, Pentium Pro) DEBUG REGISTER 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. 0000h:1002h, Pentium Pro) DEBUG REGISTER 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. 0000h:1003h, Pentium Pro) DEBUG REGISTER 4 (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:1004h, Pentium Pro) DEBUG REGISTER 5 (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:1005h, Pentium Pro) DEBUG REGISTER 6 (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:1006h, Pentium Pro) DEBUG REGISTER 7 (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:1007h, Pentium Pro) DEBUGGER INSTALLATION CHECK {callout or callback, 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 41, MS Windows debugging kernel, AX=004Fh) DEBUGGER SUPPORT (INT 03, Realia COBOL) DEBUGGING DUMP {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, NewSpace, AX=4414h/BX=FFFFh) DEBUGGING EXCEPTIONS {callout or callback} (INT 01, CPU-generated (80386+)) DECLARE PORTIBM PC Portable (uses same BIOS as XT) OWNERSHIP (INT 14, PC-MOS/386 v5.01 $serial.sys v5.04, AH=23h) DECnet DOS network scheduler (INT 6C) DECnet NETWORK PROCESS 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 6E, DECnet DOS) DECnet STATUS (INT 69, DECnet DOS CTERM, AX=0104h) DECODER MODE / STATUS 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. 8Ah/01h, Philips TDA8366) DECONFIGURE PORTIBM PC Portable (uses same BIOS as XT) (INT 14, COURIERS.COM, AH=8Dh) DECREMENT CRITICAL NESTING COUNT (INT 15, DESQview v2.23+ internal, AX=DE1Bh) DECREMENT SFTsee System File Table REFERENCE COUNT {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, DOS 3.0+ internal, AX=1208h) DEFAULT KEYBOARD CIRCULAR BUFFER (MEM 0040h:001Eh, KEYBOARD) DEFAULT LOW-RESOLUTION TIMER FOR QUAD MF FUNCTION (INT CF, APL(A Programming Language) An interactive, mathematically- oriented language which is well-suited to manipulating matrices. Originally using greek letters and numerous special symbols, thus requiring a special display, versions are now available which use keywords in place of the special symbols.*PLUS/PCIBM PC) DEFINE DEFAULT REGISTER TABLE (INT 10, 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. Register Interface Library, AH=F7h) DEFINE DISPLAY PAGE NUMBER (INT 33, MS MOUSE v6.0+, AX=001Dh) DEFINE DOUBLE-SPEED THRESHOLD (INT 33, MS MOUSE v5.0+, AX=0013h) DEFINE GRAPHICS CURSOR (INT 33, MS MOUSE v3.0+, AX=0009h) DEFINE HORIZONTAL CURSOR RANGE (INT 33, MS MOUSE v1.0+, AX=0007h) DEFINE INTERRUPT SUBROUTINE PARAMETERS (INT 33, MS MOUSE v1.0+, AX=000Ch) DEFINE MICKEY/PIXEL RATIO (INT 33, MS MOUSE v1.0+, AX=000Fh) DEFINE PULLDOWN MENUS {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=FFEEh) DEFINE SCREEN REFRESH ROUTINE {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=FFF9h) DEFINE SCREEN REGION FOR UPDATING (INT 33, Genius MOUSE, AX=0010h) DEFINE SCREEN REGION FOR UPDATING (INT 33, MS MOUSE v1.0+, AX=0010h) DEFINE STANDARD PULLDOWN MENUS {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=FFFAh) DEFINE TEMPORARY FILENAME (INT 17, Alloy MW386, AH=A8h) DEFINE TEXT CURSOR (INT 33, MS MOUSE v3.0+, AX=000Ah) DEFINE VERTICAL CURSOR RANGE (INT 33, MS MOUSE v1.0+, AX=0008h) Deflection (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/2Dh, ITT VDP 3108, Test Register) DEINITIALIZE DRIVER (INT 14, 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=05h) DEINSTALL CTERM (INT 69, DECnet DOS CTERM, AX=010Fh) DELAY (INT 48, TI Professional PCIBM PC, SPEAKER DEVICE, AH=05h) Delay and Coring (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/56h, ITT VDP 31xxB) Delay from Flyback to Main Sync (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/7Eh, ITT VDP 3108) Delay from Flyback to PLL2 (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/63h, ITT VDP 3108) Delay from Front Sync to PLL2 (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/67h, ITT VDP 3108) DELETE A QUEUE (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=06h) DELETE ALL FILES IN Q (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=CB09h) DELETE BINDERY OBJECT (INT 21, Novell NetWare, AX=F217h/DX=0000h) DELETE BINDERY OBJECT (INT 21, Novell NetWare, BINDERY SERVICES, AH=E3h) DELETE BINDERY OBJECT FROM SET (INT 21, Novell NetWare, AX=F217h/DX=0000h) DELETE BINDERY OBJECT FROM SET (INT 21, Novell NetWare, BINDERY SERVICES, AH=E3h) DELETE DIRECTORY (INT 21, Novell NetWare, AX=F216h/DX=0000h) DELETE DIRECTORY (INT 21, Novell NetWare, DIRECTORY SERVICES, AH=E2h) DELETE FAKE ROOT DIRECTORY (INT 21, Novell NetWare shell 3.01, AX=E906h) DELETE FILE (INT 21, Windows95, LONG FILENAME, AX=7141h) DELETE FILE (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=CB08h) DELETE FILE FROM SPOOLING QUEUE (INT 21, TopWare Network OS v5.10+, AX=FFCBh) DELETE FILE USING FCBsee File Control Block (INT 21, DOS 1+, AH=13h) DELETE FILE {partially documented} (INT 60, HP 95LX System Manager, DI=050Ch) DELETE FILE/DIRECTORY (INT 21, Novell NetWare, AX=F257h) DELETE OLD AUDITING FILE (INT 21, Novell NetWare, AX=F258h) DELETE PROPERTY (INT 21, Novell NetWare, AX=F217h/DX=0000h) DELETE PROPERTY (INT 21, Novell NetWare, BINDERY SERVICES, AH=E3h) DELETE REMOTE FILE {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, IFSFUNC.EXE (DOS 4.x only), AX=1114h) DELETE REMOTE FILE {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, NETWORK REDIRECTOR, AX=1113h) DELETE SHARED DEVICE (INT 6F, 10NET v5.0, AX=9503h) DELETE SHARED DEVICE ENTRY (INT 6F, 10NET v3.3+, AX=1503h) DELETE TASK (INT 2F, DR DOS 6.0 TaskMAX, AX=2708h) DELETE TRUSTEE (INT 21, Novell NetWare, AX=F257h) DELETE TRUSTEE FROM DIRECTORY (INT 21, Novell NetWare, AX=F216h/DX=0000h) DELETE TRUSTEE FROM DIRECTORY (INT 21, Novell NetWare, DIRECTORY SERVICES, AH=E2h) Dell 4xxDE (MEM 0040h:00B5h) DELL ENHANCED PARALLEL PORTIBM PC Portable (uses same BIOS as XT) (PORTIBM PC Portable (uses same BIOS as XT) 002E-002F) Dell Enhanced Parallel Port (PORTIBM PC Portable (uses same BIOS as XT) 015C-015D) Dell Enhanced Parallel Port (PORTIBM PC Portable (uses same BIOS as XT) 026E-026F) Dell Enhanced Parallel Port (PORTIBM PC Portable (uses same BIOS as XT) 0398-0399) DEQUEUE SYSTEM RESOURCE (INT 7F, MultiLink Advanced v1.0+, AH=01h) DESK EXECUTIVE 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, DeskMate (Tandy)) Desktop Management Interface / System Management 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. (MEM xxxxh:xxx0h) DESQview - "APPNUM" - GET CURRENT PROGRAM'S NUMBER (INT 15, AX=DE07h) DESQview - GET ??? (INT 15, AX=DE08h) DESQview - UPDATE "OPEN WINDOW" MENU (INT 15, AX=DE01h) DESQview 1.x only - GET ??? FOR CURRENT WINDOW (INT 15, AX=DE03h) DESQview 1.x only - SET ??? FLAG FOR CURRENT WINDOW (INT 15, AX=DE02h) DESQview v2.00+ - "APILEVEL" - DEFINE MINIMUM 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. LEVEL REQUIRED (INT 15, AX=DE0Bh) DESQview v2.00+ - "DBGPOKE" - DISPLAY CHARACTER ON STATUS LINE (INT 15, AX=DE0Ah) DESQview v2.00+ - "FINDMAIL" - FIND MAILBOX BY NAME (INT 15, AX=DE0Eh) DESQview v2.00+ - "GETMEM" - ALLOCATE "SYSTEM" MEMORY (INT 15, AX=DE0Ch) DESQview v2.00+ - "JUSTIFY" - EN/DISABLE AUTOM. WINDOW JUSTIFICATION (INT 15, AX=DE11h/BL=00h) DESQview v2.00+ - "KMOUSE" - KEYBOARD MOUSE CONTROL (INT 15, AX=102Dh) DESQview v2.00+ - "NEWPROC" - START NEW APPLICATION IN NEW PROCESS (INT 15, AX=102Ch) DESQview v2.00+ - "PUSHKEY" - PUT KEY INTO KEYBOARD INPUT STREAM (INT 15, AX=DE10h) DESQview v2.00+ - "PUTMEM" - DEALLOCATE "SYSTEM" MEMORY (INT 15, AX=DE0Dh) DESQview v2.01+ - "CSTYLE" - SET "C"-COMPATIBLE CONTROL CHAR INTERPRET (INT 15, AX=DE12h/BX=0000h) DESQview v2.20+ - "ASSERTMAP" - GET/SET MAPPING CONTEXT (INT 15, AX=1117h/BX=0000h) DESQview v2.20+ - "GETCRIT" - GET CRITICAL NESTING COUNT (INT 15, AX=DE13h) DESQview v2.23+ - "DOSUSER" - GET HANDLE OF TASK CURRENTLY USING DOS (INT 15, AX=DE1Fh) DESQview v2.23+ - "ENTERC" - INCREMENT CRITICAL NESTING COUNT (INT 15, AX=DE1Ch) DESQview v2.23+ - "GETCOMMON" - ALLOCATE "COMMON" MEMORY (INT 15, AX=DE19h) DESQview v2.23+ - "PUTCOMMON" - DEALLOCATE "COMMON" MEMORY (INT 15, AX=DE1Ah) DESQview v2.23+ - "PUTKEY" - FAKE USER KEYSTROKES (INT 15, AX=DE1Dh) DESQview v2.23+ - "SCRNINFO" - GET TRUE VIDEO PARAMETERS (INT 15, AX=DE1Eh) DESQview v2.26+ - "ASSERTMAP" - GET/SET MAPPING CONTEXT (INT 15, AX=DE17h)