RBIL61 - IDE

CALL xxxxh:xxxxh - Plug-and-Play BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. v1.0A {#idx159732}{#idx159792}{#idx159794}{#idx159807}{#idx159809}{#idx159837}{#idx159838}{#idx159866}{#idx159871}{#idx159942}{#idx159944}{#idx159945}{#idx160029}{#idx160175}{#idx160253}{#idx160464}{#idx160473}

Frequently Asked Questions {#idx177088}{#idx177091}

I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 18h/05h - Raytheon TMC2361 - PART IDENTIFICATION REGISTER {#idx170109}{#idx170112}

I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 18h/06h - Raytheon TMC2361 - REVISION IDENTIFICATION REGISTER {#idx170113}{#idx170116}

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. 40h - Harris HMP8154/8156/8156A {#idx170212}

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. 42h - Harris HMP8154/8156/8156A {#idx170218}

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/53h - ITT VPX 32xx - FP - Automatic Standard Recognition Status {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.} {#idx170501}{#idx170504}

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/00h - ITT VDP 3108 - Color Lookup Table (array) {#idx171151}

INT 09 - IRQ1 - KEYBOARD DATA READY {callout or callback} {#idx745}

INT 10 - 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. Window Extension v1.1 - GET BLANKING ATTRIBUTE {#idx2897}

INT 10 - 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. Window Extension v1.1 - GET WINDOW COORDINATES {#idx2581}

INT 10 - 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. Window Extension v1.1 - SET WINDOW COORDINATES {#idx2320}

INT 10 - Tandy 2000 - VIDEO - SET PALETTE ENTRY {#idx2181}

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. v2.0 beta - GET PROTECTED-MODE CODE {obsolete} {#idx4571}

INT 10 - VESA(Video Electronics Standards Association) An industry group which sets both hardware and software standards and recommendations. The term VESA is also used to denote compliance with the VESA SuperVGA BIOS Extensions, a standard set of video BIOS functions for accessing video modes of higher resolution than those defined by IBMInternational Busiuness Machines. VBE(VESA BIOS Extensions) The common software interface for video cards providing support for high resolution and bit depth./DC (Display Data Channel) - READ EDID {#idx4939}{#idx4946}{#idx4950}{#idx4952}{#idx4954}{#idx4956}{#idx4996}{#idx4999}{#idx5011}{#idx5028}

INT 10 - VIDEO - XGA(Extended Graphics Array) - READ DMQS DATA {#idx3860}{#idx3862}

INT 11 - Columbia Data Products Standard Device Level Protocol (SDLP) 1.6 {#idx7546}

INT 12 - 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} {#idx7819}

INT 13 - Future Domain SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. 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. - FORMAT DRIVE WITH BAD SECTOR MAPPING {#idx8411}

INT 13 - Future Domain SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. CONTROLLER - GET INQUIRY INFO FROM SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. DEVICE {#idx9193}{#idx9195}

INT 13 - HARD DISK - PSIBM PS/2, any model/1 and newer PS/2IBM PS/2, any model - IDENTIFY DRIVE {#idx10038}{#idx10047}

INT 13 - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911./MS INT 13 Extensions - GET DRIVE PARAMETERS {#idx10595}

INT 13 - PCIBM PC Tools v8+ VSAFE, VWATCH - 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. {#idx11545}

INT 13 - Seagate - ??? - RETURN IDENTIFICATION {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.} {#idx10864}{#idx10875}

INT 13 - Seagate - PARK HEADS??? {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.} {#idx10936}

INT 13 - Seagate ST01/ST02 - Inquiry {#idx10843}

INT 13 - SyQuest - READ DRIVE PARAMATERS (for DOS 5+) {#idx8999}

INT 13 - XBIOS - COMMAND {#idx11450}{#idx11452}

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. - READ BLOCK {#idx13240}

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. - RETURN INFORMATION ABOUT THE DRIVER {#idx13294}

INT 14 - SERIAL - EXTENDED INITIALIZE (CONVERTIBLE,PSIBM PS/2, any model) {#idx11900}

INT 14 - SERIAL - INITIALIZE PORTIBM PC Portable (uses same BIOS as XT) {#idx11693}

INT 14 - TelAPI - "telioctl" - CONNECTION CONTROL {#idx15112}{#idx15126}

INT 14 - TelAPI - "telnblkopen" - CREATE TELNET CONNECTION (NON-BLOCKING) {#idx15221}{#idx15228}

INT 14 - TelAPI - "telopen" - CREATE TELNET CONNECTION (BLOCKING) {#idx14995}{#idx15001}

INT 15 - Advanced Power Management v1.1 - OEM(Original Equipment Manufacturer) a company which purchases components that are resold as part of its own products under the company's own brand name, e.g. a Gateway 2000-branded monitor may actually be a Mag or NEC monitor. APM INSTALLATION CHECK {#idx19843}

INT 15 - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. 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. - Flash ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. - GET 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. SUBSYSTEM 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.} {#idx23791}{#idx23798}{#idx23804}{#idx23810}

INT 15 - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. 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. - Flash ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. - READ FLASH BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx23786}

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. - GET 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. AND CHIPSET IDENTIFICATION {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.} {#idx23698}{#idx23699}{#idx23702}{#idx23717}

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. v1.00.12.AX1T - CMOS RAMA small amount (typically 64 or 128 bytes) of memory in the system's real-time clock chip that is preserved by the clock's battery and is used for storing configuration information. See also Real-Time Clock. BITFIELD MANIPULATION {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.} {#idx23679}

INT 15 - Compaq EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). System ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. 04/08/93 - 32-bit CS ADDRESSING MODE CALLS {#idx23589}

INT 15 - DESQview v2.20-2.25 - reserved {#idx24072}

INT 15 - DESQview v2.40+ - ALLOCATE SYSTEM MEMORY {#idx16707}

INT 15 - DESQview v2.50+ - SEND MESSAGE 00h WITH ERROR RECOVERY {#idx17867}

INT 15 - DESQview v2.50+ - SEND MESSAGE 01h WITH ERROR RECOVERY {#idx17882}

INT 15 - DESQview v2.50+ - SEND MESSAGE 02h WITH ERROR RECOVERY {#idx17893}

INT 15 - DESQview v2.50+ - SEND MESSAGE 03h WITH ERROR RECOVERY {#idx17904}

INT 15 - DESQview v2.50+ - SEND MESSAGE 04h WITH ERROR RECOVERY {#idx17915}

INT 15 - DESQview v2.50+ - SEND MESSAGE 05h WITH ERROR RECOVERY {#idx17926}

INT 15 - DESQview v2.50+ - SEND MESSAGE 06h WITH ERROR RECOVERY {#idx17937}

INT 15 - DESQview v2.50+ - SEND MESSAGE 07h WITH ERROR RECOVERY {#idx17948}

INT 15 - DESQview v2.50+ - SEND MESSAGE 08h WITH ERROR RECOVERY {#idx17959}

INT 15 - DESQview v2.50+ - SEND MESSAGE 09h WITH ERROR RECOVERY {#idx17970}

INT 15 - DESQview v2.50+ - SEND MESSAGE 0Ah WITH ERROR RECOVERY {#idx17981}

INT 15 - DESQview v2.50+ - SEND MESSAGE 0Bh WITH ERROR RECOVERY {#idx17992}

INT 15 - DESQview v2.50+ - SEND MESSAGE 0Ch WITH ERROR RECOVERY {#idx18003}

INT 15 - DESQview v2.50+ - SEND MESSAGE 0Dh WITH ERROR RECOVERY {#idx18014}

INT 15 - DESQview v2.50+ - SEND MESSAGE 0Eh WITH ERROR RECOVERY {#idx18025}

INT 15 - DESQview v2.50+ - SEND MESSAGE 0Fh WITH ERROR RECOVERY {#idx18036}

INT 15 - DESQview v2.50+ - SEND MESSAGE 10h WITH ERROR RECOVERY {#idx18047}

INT 15 - DESQview v2.50+ - SEND MESSAGE 11h WITH ERROR RECOVERY {#idx18058}

INT 15 - DESQview v2.50+ - SEND MESSAGE 12h WITH ERROR RECOVERY {#idx18069}

INT 15 - DESQview v2.50+ - SEND MESSAGE 13h WITH ERROR RECOVERY {#idx18080}

INT 15 - DESQview v2.50+ - SEND MESSAGE 14h WITH ERROR RECOVERY {#idx18091}

INT 15 - DESQview v2.50+ - SEND MESSAGE 15h WITH ERROR RECOVERY {#idx18102}

INT 15 - DESQview v2.50+ - SEND MESSAGE 16h WITH ERROR RECOVERY {#idx18113}

INT 15 - DESQview v2.50+ - SOCKET 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.} {#idx24484}

INT 15 - DESQview/X 1.02+ - DVDOS4GX.DVR - ??? {#idx21494}

INT 15 - EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). SYSTEM ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. - 32-bit CS ADDRESSING MODE CALLS {#idx23581}

INT 15 - Intel System Management Bus - 16-BIT PROTECTED-MODE CONNECT {#idx19946}

INT 15 - Intel System Management Bus - 32-BIT PROTECTED-MODE CONNECT {#idx19972}

INT 15 - Intel System Management Bus - REAL MODE CONNECT {#idx19924}

INT 15 - later PSIBM PS/2, any model/2s - RETURN DEVICE DESCRIPTOR TABLE (DDT) ENTRY BY NUMBER {#idx23306}

INT 15 - Rational Systems DOS/16M - ??? {#idx21329}{#idx21337}

INT 15 - SYSTEM - GET CONFIGURATION (XTIBM PC XT >1986/1/10,ATIBM PC AT mdl 3x9,CONVIBM Convertible,XT286IBM PC XT/286,PSIBM PS/2, any model) {#idx21661}{#idx21664}{#idx22597}

INT 15 - SYSTEM - POWER-ON SELF-TEST ERROR LOG (PS50+IBM PS/2 Models 50,60,70,80) {#idx18468}

INT 15 - TopViewTopView, DESQview, TaskView, OmniView, other compatibles - SEND MESSAGE - "WRITE" - WRITE TO OBJECT {#idx17068}

INT 15 - TopViewTopView, DESQview, TaskView, OmniView, other compatibles commands {#idx16722}

INT 16 - BORLAND TURBO LIGHTNING - 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. {#idx26986}

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+) - COPY INTO EXTENDED BUFFER {#idx26567}

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+) - GET EXTENDED BUFFER STATE {#idx26557}

INT 16 - PCIBM PC Tools v5.1+ BACKTALK - INSTALLATION CHECK {#idx25989}

INT 16 - PCIBM PC Tools v7 only CPSCHED/DESKTOP - ALTERNATE INSTALLATION CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx27331}

INT 16 - PCIBM PC Tools v7+ CPSCHED/DESKTOP - ??? {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.} {#idx27295}

INT 16 - PCIBM PC Tools v7+ CPSCHED/DESKTOP - RESET ??? {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.} {#idx27279}

INT 16 - Shamrock Software EMAIL - GET STATUS {#idx25643}

INT 16 - Tandy 2000 - KEYBOARD - FLUSH KEYBOARD BUFFER {#idx25216}

INT 16 - Tandy 2000 - KEYBOARD - RESET KEYBOARD {#idx25290}

INT 17 - DOSISODE to WATTCP 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. Interface - "ioctl" {#idx28890}

INT 17 - DOSISODE to WATTCP 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. Interface - "socket" {#idx28786}

INT 17 - Enhanced Parallel Port (EPP) 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. - INSTALLATION CHECK {#idx28704}

INT 1A - Disk Spool II v1.83 - INSTALLATION CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx31830}

INT 1A - Disk Spool II v2.07+ - ALTERNATE INSTALLATION CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx38957}

INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - GET DEFAULT CONFIG TABLE {#idx38803}{#idx38810}

INT 1A - Microsoft Real-Time Compression Interface (MRCI) - ROM-BASED SERVER {#idx32153}

INT 1A - 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. v2.0c+ - FIND PCI DEVICE {#idx32573}

INT 1A - 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. v2.0c+ - READ CONFIGURATION DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. {#idx32973}{#idx33064}

INT 1A - 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. v2.0c+ - READ CONFIGURATION DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. (Intel devices) {#idx36078}{#idx36785}{#idx36897}{#idx36899}{#idx36945}{#idx37245}

INT 1A - RighTime v1.1 - ENABLE {#idx39110}

INT 20 - Frontier Technologies ??? - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41402}{#idx41404}{#idx41416}{#idx41418}

INT 20 - Microsoft Windows - A3D - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41473}{#idx41475}

INT 20 - Microsoft Windows - AFVXD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41292}{#idx41294}

INT 20 - Microsoft Windows - ASPIENUM - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41450}{#idx41452}

INT 20 - Microsoft Windows - 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. - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40858}{#idx40860}

INT 20 - Microsoft Windows - BlockDev / IOS - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40048}{#idx40050}

INT 20 - Microsoft Windows - CONFIGMG - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40591}{#idx40593}{#idx40737}

INT 20 - Microsoft Windows - CWCPROXY - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41484}{#idx41486}

INT 20 - Microsoft Windows - DEBUG - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx39751}{#idx39753}

INT 20 - Microsoft Windows - DOSMGR - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40125}{#idx40127}

INT 20 - Microsoft Windows - DOSNET - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40223}{#idx40225}

INT 20 - Microsoft Windows - DSOUND - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41462}{#idx41464}

INT 20 - Microsoft Windows - DWCFGMG.SYS - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40746}{#idx40748}

INT 20 - Microsoft Windows - EBIOS - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40098}{#idx40100}

INT 20 - Microsoft Windows - FILESEC - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41247}{#idx41249}

INT 20 - Microsoft Windows - IFSMgr - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40885}{#idx40887}

INT 20 - Microsoft Windows - Int13 - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40259}{#idx40261}

INT 20 - Microsoft Windows - LoadHi - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40245}{#idx40247}

INT 20 - Microsoft Windows - LOGGER - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41375}{#idx41377}

INT 20 - Microsoft Windows - mmdevldr - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41096}{#idx41098}

INT 20 - Microsoft Windows - MSSP / NWSP - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41272}{#idx41274}

INT 20 - Microsoft Windows - MSTCP - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41183}{#idx41185}

INT 20 - Microsoft Windows - MTRR - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41053}{#idx41055}

INT 20 - Microsoft Windows - NDIS(Network Driver Interface Specification) A hardware-independent network interface developed by Microsoft and 3com. See also Packet Driver, TCP/IP. - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40375}{#idx40377}

INT 20 - Microsoft Windows - NDIS2SUP - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41306}{#idx41308}

INT 20 - Microsoft Windows - NSCL - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41282}{#idx41284}

INT 20 - Microsoft Windows - NTKERN - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41064}{#idx41066}

INT 20 - Microsoft Windows - NWLINK - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41148}{#idx41150}

INT 20 - Microsoft Windows - NWREDIR - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41235}{#idx41237}

INT 20 - Microsoft Windows - NWSERVER - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41260}{#idx41262}

INT 20 - Microsoft Windows - PAGEFILE - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40275}{#idx40277}

INT 20 - Microsoft Windows - PageSwap - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx39916}{#idx39918}

INT 20 - Microsoft Windows - PCCARD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41388}{#idx41390}

INT 20 - Microsoft Windows - PERF - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41029}{#idx41031}

INT 20 - Microsoft Windows - PPPMAC - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41342}{#idx41344}

INT 20 - Microsoft Windows - REBOOT - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx39930}{#idx39932}

INT 20 - Microsoft Windows - SHELL - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40157}{#idx40159}

INT 20 - Microsoft Windows - Splitter - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41320}{#idx41322}

INT 20 - Microsoft Windows - SPOOLER - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40561}{#idx40563}

INT 20 - Microsoft Windows - V86MMGR - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx39881}{#idx39883}

INT 20 - Microsoft Windows - VCACHE - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41195}{#idx41197}

INT 20 - Microsoft Windows - VCD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40035}{#idx40037}

INT 20 - Microsoft Windows - VCDFSD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41018}{#idx41020}

INT 20 - Microsoft Windows - VCOMM - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40505}{#idx40507}

INT 20 - Microsoft Windows - VCOND - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40840}{#idx40842}

INT 20 - Microsoft Windows - VDD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx39942}{#idx39944}

INT 20 - Microsoft Windows - VDHCP - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41354}{#idx41356}

INT 20 - Microsoft Windows - VDMAD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx39810}{#idx39812}

INT 20 - Microsoft Windows - VFBACKUP - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40773}{#idx40775}

INT 20 - Microsoft Windows - VFD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40234}{#idx40236}

INT 20 - Microsoft Windows - VFLATD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41076}{#idx41078}

INT 20 - Microsoft Windows - VGARTD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41497}{#idx41499}

INT 20 - Microsoft Windows - VIP - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41171}{#idx41173}

INT 20 - Microsoft Windows - vjoyd - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41087}{#idx41089}

INT 20 - Microsoft Windows - VKD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40011}{#idx40013}

INT 20 - Microsoft Windows - VMCPD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40068}{#idx40070}

INT 20 - Microsoft Windows - VMD / VMOUSE - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx39983}{#idx39985}

INT 20 - Microsoft Windows - VMINI / ENABLE - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40795}{#idx40797}

INT 20 - Microsoft Windows - VMM - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx39533}{#idx39535}

INT 20 - Microsoft Windows - VMPoll - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40203}{#idx40205}

INT 20 - Microsoft Windows - VNBT - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41365}{#idx41367}

INT 20 - Microsoft Windows - VNETBIOS - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40112}{#idx40114}

INT 20 - Microsoft Windows - VNetSup - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41106}{#idx41108}

INT 20 - Microsoft Windows - VPICD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx39767}{#idx39769}

INT 20 - Microsoft Windows - VPOWERD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40290}{#idx40292}

INT 20 - Microsoft Windows - VREDIR - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41118}{#idx41120}

INT 20 - Microsoft Windows - VSD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx39970}{#idx39972}

INT 20 - Microsoft Windows - VSERVER - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40574}{#idx40576}

INT 20 - Microsoft Windows - VSHARE - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41136}{#idx41138}

INT 20 - Microsoft Windows - VTD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx39856}{#idx39858}

INT 20 - Microsoft Windows - VTDI - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41160}{#idx41162}

INT 20 - Microsoft Windows - VWIN32 - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40458}{#idx40460}

INT 20 - Microsoft Windows - VXDLDR - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40337}{#idx40339}

INT 20 - Microsoft Windows - WSOCK - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx40869}{#idx40871}

INT 20 - Microsoft Windows - WSVV - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41440}{#idx41442}

INT 20 - QEMM - VstlthD - VxDA virtual device driver for Windows 3.x or 95. So called because nearly all of the Windows 3.0 drivers had names of the form "VdeviceD". See also device driver. SERVICES {protected mode} {#idx41427}{#idx41429}

INT 21 - 10NET v5.0 - GET LOCAL 10NET CONFIGURATION TABLE {#idx53651}

INT 21 - Attachmate Extra! - SEND KEYSTROKES TO HOST WINDOW {#idx57338}

INT 21 - DBLSPACE.BIN - IOCTL - FLUSH OR INVALIDATE INTERNAL CACHES {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.} {#idx48425}

INT 21 - DESQview - INSTALLATION CHECK {#idx43678}

INT 21 - DOS 2+ - FREE MEMORY {#idx50268}

INT 21 - DOS 2+ - GET DOS VERSION {#idx44075}{#idx44140}

INT 21 - DOS 2+ internal - "SYSVARS" - GET LIST OF LISTS {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.} {#idx51346}

INT 21 - DOS 2+ internal - GET CURRENT PROCESS ID (GET PSPsee Program Segment Prefix ADDRESS) {#idx51067}

INT 21 - DOS 2+ internal - SET CURRENT PROCESS ID (SET PSPsee Program Segment Prefix ADDRESS) {#idx51036}

INT 21 - DOS 2.25 only - GET LEAD BYTE TABLE ADDRESS {#idx55262}

INT 21 - DOS 3.0+ - "TRUENAME" - CANONICALIZE FILENAME OR PATH {#idx55183}

INT 21 - DOS 3.0+ - GET CURRENT PSPsee Program Segment Prefix ADDRESS {#idx55224}

INT 21 - DOS 3.3+ - GET EXTENDED COUNTRY INFORMATION {#idx55459}

INT 21 - DOS 4.0+ - COMMIT 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.} {#idx55812}

INT 21 - DoubleDOS - MENU CONTROL {#idx58867}{#idx63172}

INT 21 - DoubleDOS - SET TIMESHARING PRIORITY {#idx62747}{#idx71083}

INT 21 - DoubleDOS - SET/RESET KEYBOARD CONTROL FLAGS {#idx62712}{#idx71068}

INT 21 - DR DOS 3.41+ - DETERMINE DOS TYPE/GET DR DOS VERSION {#idx49732}

INT 21 - DR DOS 5.0-6.0 - DETERMINE DOS TYPE {obsolete} {#idx49543}

INT 21 - DR DOS 5.0-6.0 - HISTORY BUFFER, SHARE, AND HILOAD CONTROL {obsolete, 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.} {#idx49595}

INT 21 - DR DOS 5.0-6.0 - SET GLOBAL PASSWORD {obsolete, 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.} {#idx49570}

INT 21 - DR DOS 6.0 - SET FILE OWNER {obsolete} {#idx45869}

INT 21 - DR-DOS >7.03 - RESERVED {#idx45949}

INT 21 - European MS-DOS 4.0 - "GETPID" - GET PROCESS IDENTIFIER {#idx56932}{#idx56937}

INT 21 - MS-DOS 7 (Windows95) - GET/SET INTERNATIONALIZATION INFORMATION {#idx56026}

INT 21 - Novell NetWare - CONNECTION CONTROL {#idx59825}

INT 21 - Novell NetWare - QUEUE SERVICES - CHANGE TO CLIENT RIGHTS (OLD) {#idx61187}

INT 21 - Novell NetWare - QUEUE SERVICES - RESTORE QUEUE SERVER RIGHTS {#idx61214}

INT 21 - Novell NetWare - SYNCHRONIZATION SERVICES - RELEASE LOGICAL RECORD {#idx58328}

INT 21 - Novell NetWare v2.1+ - CHANGE TO CLIENT RIGHTS (OLD) {#idx66237}

INT 21 - Novell NetWare v3.1+ - CHANGE TO CLIENT RIGHTS {#idx66567}

INT 21 - Novell NetWare v4+ - GET NLM INFORMATION {#idx70666}{#idx70667}{#idx70671}

INT 21 - Novell NetWare v4+ - GET PROTOCOL STACK BY BOARD {#idx70832}

INT 21 - OS/2 v2.0 - "DosOpen2" {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.} {#idx55900}

INT 21 - PCIBM PC Tools v7+ VDEFEND, VSAFE, VWATCH - 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.} {#idx71130}

INT 21 - Windows95 - FAT32 - "Get_ExtDPB" - GET EXTENDED DPBsee Drive Paramter Block {#idx56545}

INT 21 - Windows95 - internal - LONG FILENAME - FIND NEXT MATCHING 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.} {#idx56371}

INT 21 - Windows95 - LONG FILENAME - GET FILE INFO BY HANDLE {#idx56407}{#idx56408}{#idx56409}

INT 2D - AMIS v3.0+ - INSTALLATION CHECK {#idx73859}

INT 2F - 10NET - INSTALLATION CHECK {#idx90282}

INT 2F - ANSIPLUS v2.00+ - ANSIPLUS DEVICE STATUS REPORT {#idx82138}

INT 2F - ANSIPLUS.SYS v2.00+ - INSTALLATION CHECK {#idx81864}

INT 2F - AVATAR(Advanced Video Attribute Terminal Assembler and Recreator) A set of control codes which may be used to affect the output of characters to the screen on systems equipped with an appropriate driver. Similar in intent to ANSI sequences, AVATAR has shorter command sequences and provides additional PC-specific functionality. AVATAR is primarily used by the Opus and Maximus bulletin board systems (it was designed by one of the developers of the Opus system)..SYS - INSTALLATION CHECK {#idx81886}

INT 2F - Borland C++ 2.0 DPMILOAD.EXE - ??? {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.} {#idx95634}

INT 2F - Borland C++ 2.0 DPMILOAD.EXE - ALLOCATE MEMORY {protected mode, undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx95533}

INT 2F - Borland C++ 2.0 DPMILOAD.EXE - FREE MEMORY BLOCK {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.} {#idx95655}

INT 2F - Borland C++ DPMILOAD.EXE - INSTALLATION CHECK??? {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.} {#idx95499}

INT 2F - CappaCom programs - 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. {#idx94117}

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. - GET CURRENT EVENT STATUS {#idx92435}

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. - GET EXTERNAL DATA BLOCK {#idx92401}

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. - GET HARDWARE STATUS {#idx92505}

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. - INSTALLATION CHECK {#idx92263}

INT 2F - CS_TSR specification - GET HANDLE (TSR-SPECIFIC INSTALLATION CHECK) {#idx88012}

INT 2F - DESQview v2.26+ XDIsee External Device Interface - CUSTOM SUBFUNCTION, Ralf Brown's XDIsee External Device Interface drivers {#idx94226}

INT 2F - DOS 3.0+ internal - CANONICALIZE FILE NAME {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.} {#idx77617}

INT 2F - DOS 4.x only SHELLB.COM - COMMAND.COM INTERFACE {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.} {#idx81780}

INT 2F - DOS 5+ - COMMAND.COM INTERFACE {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.} {#idx85662}

INT 2F - DOS 5+ DOSSHELL - TASK SWITCHING 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.} {#idx84264}

INT 2F - DOS 5+ TASK SWITCHER - ALLOCATE SWITCHER ID {#idx85024}

INT 2F - DOS 5+ TASK SWITCHER - FREE SWITCHER ID {#idx85038}

INT 2F - DOS 5+ TASK SWITCHER - IDENTIFY INSTANCE DATA {callout or callback} {#idx85045}

INT 2F - DOS 5+ TASK SWITCHER - INSTALLATION CHECK {#idx85003}{#idx85011}

INT 2F - DRIVER.SYS support - EXECUTE DEVICE DRIVER REQUEST {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.} {#idx75629}{#idx75632}{#idx75641}

INT 2F - Ergo DOS extenders - INSTALLATION CHECK {#idx89056}

INT 2F - EXTENDED MEMORY SPECIFICATION (XMSsee Extended Memory Specification) v2+ - GET DRIVER ADDRESS {#idx83557}

INT 2F - HEART.COM - INSTALLATION CHECK {#idx93600}

INT 2F - IFSFUNC.EXE (DOS 4.x only) - MAKE REMOTE DIRECTORY {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.} {#idx76374}

INT 2F - IFSFUNC.EXE (DOS 4.x only) - REMOVE REMOTE DIRECTORY {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.} {#idx76342}

INT 2F - Intel Plug-and-Play - CONFIGURATION MANAGER - GET ENTRY POINT {#idx80715}

INT 2F - InterWave Game 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. - CLOSE GAME DEVICE {real mode} {#idx92956}

INT 2F - InterWave Game 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. - GET PROGRAM STATUS AND INFORMATION {real mode} {#idx92771}{#idx92773}

INT 2F - InterWave Game 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. - OPEN GAME DEVICE {real mode} {#idx92928}

INT 2F - InterWave Game 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. - SUSPEND PROGRAM {real mode} {#idx92793}

INT 2F - InterWave Game 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. - UNINSTALL RESIDENT DEVICE DRIVER {real mode} {#idx92841}

INT 2F - InterWave Game 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. - WAKE PROGRAM {real mode} {#idx92821}

INT 2F - License Service 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. - GET ERROR {#idx86073}

INT 2F - License Service 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. - QUERY LICENSE {#idx86084}

INT 2F - License Service 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. - REQUEST LICENSE {#idx86045}

INT 2F - License Service 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. - UPDATE {#idx86063}

INT 2F - Lotus CD/Networker - INSTALLATION CHECK {#idx93028}

INT 2F - MDEBUG command driver - GET ADDRESS OF THE OLD INT 2F {#idx93309}{#idx93315}

INT 2F - MDEBUG command driver - GET STATUS {callout or callback} {#idx93152}{#idx93194}

INT 2F - METZ XpressFax CASMGR - INSTALLATION CHECK {#idx92276}

INT 2F - MICRO.EXE - CLEAR ??? FLAG {#idx88855}

INT 2F - Microsoft Realtime Compression Interface (MRCI) - RAM-BASED SERVER {#idx84761}

INT 2F - MS Windows "WINOLDAP" - IDENTIFY WinOldAp VERSION {#idx81653}

INT 2F - MS Windows - "DOSMGR" VIRTUAL DEVICE 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. {callout or callback} {#idx79371}

INT 2F - MS Windows - "V86MMGR" VIRTUAL DEVICE 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. {callout or callback} {#idx79306}

INT 2F - MS Windows - "VMD" VIRTUAL MOUSE DEVICE 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. {callout or callback} {#idx79315}

INT 2F - MS Windows - "VNETBIOS" VIRTUAL DEVICE 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. {callout or callback} {#idx79354}

INT 2F - MS Windows - SHELL - GET 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. ENTRY POINT {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.} {#idx80451}

INT 2F - MS Windows 3.1 - "BLOCKDEV" VIRTUAL HARD DISK DEVICE 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. {callout or callback} {#idx79337}

INT 2F - MS Windows 3.1 - IDENTIFY TSRs {#idx79540}

INT 2F - MS Windows 3.1 - IDENTIFY WINDOWS VERSION AND TYPE {#idx79532}

INT 2F - Multiplex - Lotus CD/Networker GET DATA AREA {#idx93084}

INT 2F - Multiplex - NOTES {#idx74835}{#idx74844}

INT 2F - NDOS - 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. {#idx94870}

INT 2F - NetWare 4.0 - REMOTE FILE COPY {#idx76991}

INT 2F - NETWORK REDIRECTOR - INSTALLATION CHECK {callout or callback} {#idx76266}

INT 2F - NORTON UTILITIES 5.0+ DISKMON, FILESAVE / EP - internal - ??? {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.} {#idx96238}{#idx96244}

INT 2F - NORTON UTILITIES 5.0+ TSRs - DISABLE {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.} {#idx96219}

INT 2F - NORTON UTILITIES 5.0+ TSRs - ENABLE {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.} {#idx96207}

INT 2F - NORTON UTILITIES 5.0+ TSRs - FLUSH BUFFERS {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.} {#idx96229}

INT 2F - NORTON UTILITIES 5.0+ TSRs - INSTALLATION CHECK/STATUS REPORT {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.} {#idx96143}{#idx96160}

INT 2F - NORTON UTILITIES 6.0 NCACHE - REBOOT {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.} {#idx96255}

INT 2F - Novell NetWare - Adv NetWare 4.0 DOS Requester - GET VLM CALL ADDRESS {#idx86381}{#idx86444}{#idx86470}{#idx86479}

INT 2F - Novell NetWare - DOS Requester v1.03+ - GET ??? ENTRY POINT {#idx87061}{#idx87068}{#idx87075}

INT 2F - Novell ODI(Open Data-link Interface) A hardware-independent network interface developed by Novell, Inc. See also NDIS, Packet Driver. Link Support Layer (LSL.COM) - INSTALLATION CHECK {#idx90876}{#idx90905}{#idx90913}{#idx90919}{#idx90920}{#idx90921}

INT 2F - PC-Kwik Programs - 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.} {#idx92651}{#idx92657}

INT 2F - PrintCache v3.1 PCACHE.EXE - ??? {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.} {#idx91383}{#idx91397}

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. - GET RIP_ENTER_BLOCK_MODE INFORMATION {#idx89398}

INT 2F - Quarterdeck RPCI - INSTALLATION CHECK {#idx93383}

INT 2F - SilverNET - GET RUNTIME PARAMETER {#idx85190}

INT 2F - SMARTDRV v4.00+ - GET ELEMENT STATUS TABLE {#idx84556}

INT 2F - SpaceManager - ??? {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.} {#idx91876}{#idx91918}

INT 2F - SpaceManager - CHECK WHETHER PROGRAM ENABLED {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.} {#idx91925}

INT 2F - SpaceManager - DISABLE PROGRAM {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.} {#idx91899}

INT 2F - SpaceManager - ENABLE PROGRAM {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.} {#idx91887}

INT 2F - SpaceManager - GET PER-DRIVE ENABLEMENT TABLE {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.} {#idx91906}

INT 2F - SpaceManager - INSTALLATION VERIFICATION {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.} {#idx91865}{#idx91869}

INT 2F - WEB v4.02 - WEB MODULE INSTALLATION CHECK {#idx95176}

INT 2F - WinDOS v2.11 - FREE XMSsee Extended Memory Specification BLOCKS {#idx90013}

INT 2F - WinDOS v2.11 - SET XMSsee Extended Memory Specification IDENTIFICATION VALUE {#idx90017}{#idx90018}

INT 31 - DPMIsee DOS Protected-Mode Interface 0.9+ - GET VENDOR SPECIFIC 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. ENTRY POINT {protected mode} {#idx97472}

INT 33 - MS MOUSE - GET VERSION STRING {#idx99325}

INT 33 - MS MOUSE v6.0+ - SOFTWARE RESET {#idx98842}

INT 41 - SYSTEM DATA - HARD DISK 0 PARAMETER TABLE ADDRESS [NOT A VECTOR!] {#idx99954}

INT 49 - Tandy 2000 - BOOTSTRAP LOADER {#idx100949}

INT 4A - Tandy 2000 - PRINT SCREEN {#idx101225}

INT 4B - Tandy 2000 - EQUIPMENT DETERMINATION {#idx101404}

INT 4C - TI Professional PCIBM PC - CLOCK/ANALOG INTERFACE {#idx101664}

INT 51 - Tandy 2000 - KEYBOARD SERVICES {#idx102586}

INT 52 - Tandy 2000 - VIDEO SERVICES {#idx102643}

INT 53 - Tandy 2000 - SERIAL COMMUNICATIONS {#idx102702}

INT 54 - Tandy 2000 - LINE PRINTER {#idx102771}

INT 55 - TI Professional PCIBM PC - RESERVED FOR FUTURE USE {#idx102840}

INT 56 - TI Professional PCIBM PC - RESERVED FOR FUTURE USE {#idx102901}

INT 5B - PCIBM PC cluster adapter - RELOCATED INT 19 {#idx103190}

INT 5C - NetBIOSOne of a number of low-level device-independent network interfaces; the other major interfaces are Novell's IPX and the Internet's IP (Internet Protocol, the lower-level portion of TCP/IP). INTERFACE {#idx103315}

INT 60 - HP 95LX System Manager - IDENTIFY FILENAME REFERENT {partially documented} {#idx104877}

INT 60 - SYS_PROF.EXE - PROFILER STATUS {#idx106540}{#idx106559}

INT 60 - Tangram Arbiter - API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {#idx104097}

INT 61 - Banyan VINES - "Soclose" - CLOSE A SOCKET {#idx107568}{#idx107582}

INT 61 - Banyan VINES - "Soint" - SET USER COMPLETION FUNCTION {#idx107633}

INT 61 - Banyan VINES - "Sorec" - RECEIVE INPUT EVENT NOTIFICATION {#idx107539}{#idx107551}{#idx107557}

INT 61 - Banyan VINES - "Sosend" - INITIATE OUTPUT EVENT {#idx107503}{#idx107515}{#idx107519}

INT 61 - Banyan VINES - "Sosession" - REGISTER APPLICATION WITH COMM SERVICE {#idx107614}

INT 61 - Banyan VINES - "Sosock" - OPEN COMMUNICATIONS SOCKET {#idx107460}{#idx107470}{#idx107483}

INT 61 - Banyan VINES - "Sowait" - WAIT FOR ASYNCHRONOUS EVENT COMPLETION {#idx107590}

INT 61 - Banyan VINES - CLOSE SOCKET {#idx108787}

INT 61 - Banyan VINES - SEND MESSAGE ON A SOCKET {#idx108765}

INT 61 - PCIBM PC/TCP(Transmission Control Protocol) A higher level (session layer) of the TCP/IP protocol suite. See also IP, TCP/IP. kernel v2.05+ - GET DEBUG 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.} {#idx107383}{#idx107394}

INT 62 - Cswitch - WAKE UP TASK {#idx113471}

INT 67 - Compaq CEMM v5.10+ - PRIVATE 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.} {#idx117204}

INT 67 - QEMM-386 v4.23+ - INSTALLATION CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx115856}

INT 6A - Super-TCP DOS 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. Kernel v3.57 - ??? {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.} {#idx118694}

INT 6A - Super-TCP DOS 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. Kernel v3.57 - FREE/CLOSE ??? {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.} {#idx118714}

INT 6F - Clara Empricost - 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. Version - INSTALLATION CHECK {#idx121501}{#idx121510}

INT 7A - Novell NetWare - IPX(Internetwork Packet Exchange) A low-level layer of Novell's NetWare networking software. Driver - INTERNAL - SEND PACKET {#idx122765}

INT 7A - Novell NetWare - IPX(Internetwork Packet Exchange) A low-level layer of Novell's NetWare networking software. Driver - SEND PACKET {#idx122550}{#idx122571}{#idx122586}{#idx122605}

INT 7F - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 8514/A Adapter Interface (HDILOAD.EXE) {#idx124747}

INT 7F - MultiLink Advanced v1.0+ - DEQUEUE SYSTEM RESOURCE {#idx124478}

INT 7F - MultiLink Advanced v1.0+ - ENQUEUE SYSTEM RESOURCE {#idx124446}

INT 80 - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. v1.00.12.AX1T - internal - 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. SUBSYSTEM SELECTION {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.} {#idx126130}{#idx126133}

INT B3 - ZIPKEY - GET VALUES NEEDED TO SAVE ZIPKEY CONTEXT {#idx127987}

INT C6 - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. BASIC(Beginner's All-purpose Symbolic Instruction Code) A programming language originally designed as a means of teaching FORTRAN. There are many variations of BASIC with differing capabilities; the majority are interpreted but compiled BASIC is becoming more popular. All genuine IBMInternational Busiuness Machines personal computers (including the latest PS/2IBM PS/2, any model models) come equipped with a cassette-based BASIC interpreter in ROM. - used while in interpreter {#idx128369}

INT C8 - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. BASIC(Beginner's All-purpose Symbolic Instruction Code) A programming language originally designed as a means of teaching FORTRAN. There are many variations of BASIC with differing capabilities; the majority are interpreted but compiled BASIC is becoming more popular. All genuine IBMInternational Busiuness Machines personal computers (including the latest PS/2IBM PS/2, any model models) come equipped with a cassette-based BASIC interpreter in ROM. - used while in interpreter {#idx128434}

INT D4 - PC-MOS/386 v5.01 - IDENTIFY LOAD ADDRESS OF DEVICE DRIVER LOCATION {#idx129097}

INT E0 - PCROBOTS v1.41 - "CHECK_IFF" - QUERY FRIEND/FOE IDENTIFICATION STRING {#idx131581}

INT E0 - PCROBOTS v1.41 - "GET_ROBOT_ID" - DETERMINE CURRENT ROBOT'S IDENTIFIER {#idx131567}

INT E0 - PCROBOTS v1.41 - "REGISTER_IFF" - REGISTER FRIEND/FOE IDENT STRING {#idx131573}

INT F1 - Common ISDN 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. (CAPI) v1.1 - "API-GET-MANUFACTURER" {#idx132284}

INT F1 - Common ISDN 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. (CAPI) v2.0 - "CAPI_GET_MANUFACTURER" {#idx132293}

INT F1 - Common ISDN 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. (CAPI) v2.0 - "CAPI_REGISTER" - INITIALIZE CAPI {#idx132083}

Interrupt Primer {#idx176867}

MEM 0040h:0012h - MCA - MANUFACTURING TEST {#idx161039}

MEM F000h:2DC5h - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. ATIBM PC AT SIGNATURE {#idx163884}

MEM xxxxh:xxx0h - Advanced Configuration and Power Interface Spec (ACPI) v0.9+ {#idx164065}{#idx164074}{#idx164076}

MEM xxxxh:xxx0h - Multiprocessor Specification - FLOATING POINTER STRUCTURE {#idx164320}{#idx164330}{#idx164345}{#idx164354}{#idx164357}

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:0082h - AMD Am5k86 (AMD-K5) - ARRAY ACCESS REGISTER {#idx165340}

Notes {#idx168168}{#idx168183}

Opcodes List {#idx172694}{#idx172819}{#idx174232}{#idx174236}{#idx174542}{#idx174593}{#idx174598}{#idx174651}{#idx174704}{#idx174707}{#idx174715}{#idx174781}{#idx174782}{#idx174787}{#idx174794}{#idx174861}{#idx174872}{#idx174873}{#idx174878}{#idx174890}{#idx174969}{#idx174972}{#idx175304}{#idx175534}

PORTIBM PC Portable (uses same BIOS as XT) 0022-0023 - CHIP SET DATA {#idx133326}{#idx133327}{#idx133328}{#idx133384}{#idx133385}{#idx133489}{#idx133490}{#idx134096}

PORTIBM PC Portable (uses same BIOS as XT) 0022-0023 - Intel 82358DT 'Mongoose' EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). CHIPSET - 82359 DRAM(Dynamic Random Access Memory) RAM memory which essentially consists of a tiny capacitor for each bit of memory. Since capacitors do not hold a charge indefinitely, DRAM must be constantly refreshed to avoid losing its contents. Also, the process of reading the contents of the memory are destructive, meaning extra time must be spent restoring the contents of memory addresses which are accessed, so DRAM is slower than SRAM. See also Refresh, SRAM. CONTROLLER {#idx133621}

PORTIBM PC Portable (uses same BIOS as XT) 0022-0024 - CHIPSET FROM PICO POWER, UMC or PCChips {#idx135503}{#idx135504}{#idx136091}

PORTIBM PC Portable (uses same BIOS as XT) 0024-0029 - HEADLAND HTK340 SHASTA 386/486 CHIPSET {#idx138745}{#idx138747}

PORTIBM PC Portable (uses same BIOS as XT) 01F0-01F7 - HDC 1 (1st Fixed Disk Controller) (ISA(Industry-Standard Architecture) The expansion bus used by the IBMInternational Busiuness Machines PCIBM PC/ATIBM PC AT. See also EISA., 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).) {#idx142947}{#idx142983}{#idx142987}{#idx142997}{#idx143071}{#idx143094}{#idx143112}

PORTIBM PC Portable (uses same BIOS as XT) 0200-020F - Game port reserved I/O address space {#idx143429}

PORTIBM PC Portable (uses same BIOS as XT) 02F8-02FF - serial port, same as 02E8, 03E8 and 03F8 (COM2) {#idx144647}

PORTIBM PC Portable (uses same BIOS as XT) 0330-0333 - Adaptec 154xB/154xC SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (default address) {#idx145657}

PORTIBM PC Portable (uses same BIOS as XT) 03B0-03BF - MDA(Monochrome Display Adapter) A text-only video adapter introduced together with the original IBMInternational Busiuness Machines PCIBM PC. See also CGAColor Graphics Adapter, HGC. (Monochrome Display Adapter based on 6845) {#idx147856}

PORTIBM PC Portable (uses same BIOS as XT) 03D4-03D5 - COLOR VIDEO - CRT CONTROL REGISTERS {#idx149105}

PORTIBM PC Portable (uses same BIOS as XT) 03E0-03E1 - Cirrus Logic CL-PD6710/6722/6729 - PC-CARD HOST ADAPTER {#idx150877}

PORTIBM PC Portable (uses same BIOS as XT) 03F0-03F7 - FDC 1 (1st Floppy Disk Controller) second FDC at 0370 {#idx151621}

PORTIBM PC Portable (uses same BIOS as XT) 03F8-03FF - Serial port (8250,8250A,8251,16450,16550,16550A,etc.) COM1 {#idx151721}{#idx151767}{#idx151779}

PORTIBM PC Portable (uses same BIOS as XT) 0464-0465 - 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). BUS MASTER STATUS {#idx152005}

PORTIBM PC Portable (uses same BIOS as XT) 0678-067A - Intel 82091AA - ECP-mode PARALLEL PORTIBM PC Portable (uses same BIOS as XT) {#idx152605}{#idx152646}

PORTIBM PC Portable (uses same BIOS as XT) 1C00-1CBF - Adaptec AIC-777x EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. controller in EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus). slot 1 {#idx154306}{#idx154307}{#idx154390}{#idx154403}{#idx154404}

PORTIBM PC Portable (uses same BIOS as XT) FAEE - ATI Mach32 - CHIP IDENTIFICATION REGISTER {#idx157780}

System-management mode {#idx166584}{#idx166599}{#idx166616}