INT 1A - TIME - GET SYSTEM TIME (AH=00h) INT 1A - TIME - SET SYSTEM TIME (AH=01h) INT 1A - Tandy 2000 - TIME - GET DATE AND TIME (AH=02h) INT 1A - TIME - GET REAL-TIME CLOCK TIME (ATIBM PC AT,XT286IBM PC XT/286,PSIBM PS/2, any model) (AH=02h) INT 1A - Tandy 2000 - TIME - SET DATE AND TIME (AH=03h) INT 1A - TIME - SET REAL-TIME CLOCK TIME (ATIBM PC AT,XT286IBM PC XT/286,PSIBM PS/2, any model) (AH=03h) INT 1A - Sperry PCIBM PC - GET REAL-TIME CLOCK DATE (AH=04h) INT 1A - TIME - GET REAL-TIME CLOCK DATE (ATIBM PC AT,XT286IBM PC XT/286,PSIBM PS/2, any model) (AH=04h) INT 1A - CheckIt Year 2000 Fix v2.06 - INSTALLATION CHECK (AH=04h/CX=4555h/DX=524Fh/BX=0000h) INT 1A - Sperry PCIBM PC - SET REAL-TIME CLOCK DATE (AH=05h/CH=00h) INT 1A - TIME - SET REAL-TIME CLOCK DATE (ATIBM PC AT,XT286IBM PC XT/286,PSIBM PS/2, any model) (AH=05h) INT 1A - TIME - SET ALARM (ATIBM PC AT,XT286IBM PC XT/286,PSIBM PS/2, any model) (AH=06h) INT 1A - TIME - CANCEL ALARM (ATIBM PC AT,XT286IBM PC XT/286,PSIBM PS/2, any model) (AH=07h) INT 1A - TIME - SET RTCsee Real-Time Clock ACTIVATED POWER ON MODE (CONVERTIBLE) (AH=08h) INT 1A - TIME - READ RTCsee Real-Time Clock ALARM TIME AND STATUS (CONVIBM Convertible,PS30IBM PS/2 Model 30 and below) (AH=09h) INT 1A - TIME - READ SYSTEM-TIMER DAY COUNTER (XT2IBM PC XT 2,PSIBM PS/2, any model) (AH=0Ah) INT 1A - TIME - SET SYSTEM-TIMER DAY COUNTER (XT2IBM PC XT 2,PSIBM PS/2, any model) (AH=0Bh) INT 1A - TIME - SET RTCsee Real-Time Clock DATE/TIME ACTIVATED POWER-ON MODE (IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911.) (AH=0Ch) INT 1A - TIME - RESET RTCsee Real-Time Clock DATE/TIME ACTIVATED POWER-ON MODE (IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911.) (AH=0Dh) INT 1A - TIME - GET RTCsee Real-Time Clock DATE/TIME ALARM AND STATUS (IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911.) (AH=0Eh) INT 1A - TIME - INITIALIZE REAL-TIME CLOCK (AH=0Fh) INT 1A - NEC PC-9800 series - PRINTER - INITIALIZE (AH=10h) INT 1A - NEC PC-9800 series - INSTALLATION CHECK (AX=1000h) INT 1A - NEC PC-9800 series - PRINTER - OUTPUT CHARACTER (AH=11h) INT 1A - NEC PC-9800 series - PRINTER - SENSE STATUS (AH=12h) INT 1A - WORD PERFECT v5.0 Third Party Interface - INSTALLATION CHECK (AX=3601h) INT 1A - SNAP.EXE 3.2+ - "SNAP_SENDWITHREPLY" - SEND MSG AND GET REPLY (AX=6108h) INT 1A - SNAP.EXE 3.2+ - "SNAP_SENDNOREPLY" - SEND MSG, DON'T AWAIT REPLY (AX=6205h) INT 1A - SNAP.EXE 3.2+ - "SNAP_BEGINCONV" - BEGIN CONVERSATION (AX=6308h) INT 1A - SNAP.EXE 3.2+ - "SNAP_ENDCONV" - END CONVERSATION (AX=6405h) INT 1A - SNAP.EXE 3.2+ - "SNAP_DATASEG" - GET RESIDENT DATA SEGMENT (AX=6900h) INT 1A - SNAP.EXE 3.2+ - "SNAP_ALLOC" - ALLOCATE BUFFER IN SNAP DATA SEGMENT (AX=6A01h) INT 1A - SNAP.EXE 3.2+ - "SNAP_FREE" - DEALLOCATE BUFFER IN SNAP DATA SEGMENT (AX=6B01h) INT 1A - SNAP.EXE 3.2+ - "SNAP_COPYTO" - COPY DATA TO RESIDENT SNAP PACKAGE (AX=6C04h) INT 1A - SNAP.EXE 3.2+ - "SNAP_COPYFROM" - COPY DATA FROM RESIDENT SNAP PACKAGE (AX=6D04h) INT 1A - SNAP.EXE 3.2+ - "SNAP_SETDEBUG" - SET ??? (AX=6E01h) INT 1A - SNAP.EXE 3.2+ - "SNAP_CHKINSTALL" - INSTALLATION CHECK (AX=6F01h) INT 1A - SNAP.EXE 3.2+ - "SNAP_SETANCHOR" (AX=7002h) INT 1A - SNAP.EXE 3.2+ - "SNAP_GETANCHOR" (AX=7101h) INT 1A - SNAP.EXE 3.2+ - "SNAP_SETCONVPARMS" - SET CONVERSATION PARAMETERS (AX=7202h) INT 1A - SNAP.EXE 3.2+ - "SNAP_CLIENTVERSION" - ??? (AX=7302h) INT 1A - SNAP.EXE 3.2+ - "SNAP_VERSION" - GET VERSION (AX=7400h) INT 1A - SNAP.EXE 3.2+ - "SNAP_NOP" - ??? (AH=75h) INT 1A - SNAP.EXE 3.2+ - "SNAP_802_5" - ??? (AH=76h) INT 1A - SNAP.EXE 3.4 - ??? (AH=77h/AL=01h) INT 1A - SNAP.EXE 3.4 - ??? (AX=7802h) INT 1A - Tandy 2500, Tandy 1000L series - DIGITAL SOUND??? (AH=7Fh) INT 1A - PCMCIA Socket Services v1.00 - GET NUMBER OF ADAPTERS (AH=80h) INT 1A - PCjr, Tandy 2500???, Tandy 1000SL/TL - SET UP SOUND MULTIPLEXOR (AH=80h/AL=00h) INT 1A - PCMCIA Socket Services v1.00 - REGISTER STATUS CHANGE CALLBACK (AH=81h) INT 1A - Tandy 2500, Tandy 1000L series - DIGITAL SOUND - INSTALLATION CHECK (AX=8100h) INT 1A - PCMCIA Socket Services v1.00 - REGISTER CARD TECHNOLOGY CALLBACK (AH=82h) INT 1A - Tandy 2500???, Tandy 1000SL/TL - DIGITAL SOUND - RECORD SOUND (AH=82h) INT 1A - PCMCIA Socket Services v1.00 - GET SOCKET SERVICES VERSION NUMBER (AH=83h) INT 1A - Tandy 2500, Tandy 1000L series - START PLAYING DIGITAL SOUND (AH=83h) INT 1A - PCMCIA Socket Services v1.00 - INQUIRE ADAPTER (AH=84h) INT 1A - Tandy 2500, Tandy 1000L series - STOP PLAYING DIGITAL SOUND (AH=84h) INT 1A - PCMCIA Socket Services v1.00 - GET ADAPTER (AH=85h) INT 1A - Tandy 2500, Tandy 1000L series - DIGITAL SOUND??? (AH=85h) INT 1A - PCMCIA Socket Services v1.00 - SET ADAPTER (AH=86h) INT 1A - PCMCIA Socket Services v1.00 - INQUIRE WINDOW (AH=87h) INT 1A - PCMCIA Socket Services v1.00 - GET WINDOW (AH=88h) INT 1A - PCMCIA Socket Services v1.00 - SET WINDOW (AH=89h) INT 1A - PCMCIA Socket Services v1.00 - GET PAGE (AH=8Ah) INT 1A - PCMCIA Socket Services v1.00 - SET PAGE (AH=8Bh) INT 1A - PCMCIA Socket Services v1.00 - INQUIRE SOCKET (AH=8Ch) INT 1A - PCMCIA Socket Services v1.00 - GET SOCKET (AH=8Dh) INT 1A - PCMCIA Socket Services v1.00 - SET SOCKET (AH=8Eh) INT 1A - PCMCIA Socket Services v1.00 - GET CARD (AH=8Fh) INT 1A - PCMCIA Socket Services v1.00 - RESET CARD (AH=90h) INT 1A - PCMCIA Socket Services v1.00 - READ ONE (AH=91h) INT 1A - PCMCIA Socket Services v1.00 - WRITE ONE (AH=92h) INT 1A - PCMCIA Socket Services v1.00 - READ MULTIPLE (AH=93h) INT 1A - PCMCIA Socket Services v1.00 - WRITE MULTIPLE (AH=94h) INT 1A - PCMCIA Socket Services v1.00 - INQUIRE ERROR DETECTION CODE (AH=95h) INT 1A - PCMCIA Socket Services v1.00 - GET ERROR DETECTION CODE (AH=96h) INT 1A - PCMCIA Socket Services v1.00 - SET ERROR DETECTION CODE (AH=97h) INT 1A - PCMCIA Socket Services v1.00 - START ERROR DETECTION CODE (AH=98h) INT 1A - PCMCIA Socket Services v1.00 - PAUSE ERROR DETECTION CODE (AH=99h) INT 1A - PCMCIA Socket Services v1.00 - RESUME ERROR DETECTION CODE (AH=9Ah) INT 1A - PCMCIA Socket Services v1.00 - STOP ERROR DETECTION CODE (AH=9Bh) INT 1A - PCMCIA Socket Services v1.00 - READ ERROR DETECTION CODE (AH=9Ch) INT 1A - Intel PCMCIA ExCA Card Services - API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (AH=9Dh) INT 1A - PCMCIA Socket Services v2.1??? - GET VENDOR INFO (AH=9Dh) INT 1A - PCMCIA Socket Services v2.1 - ACKNOWLEDGE INTERRUPT (AH=9Eh) INT 1A - PCMCIA Socket Services v2.1 - GET/SET PRIOR INT 1A HANDLER (AH=9Fh) INT 1A - PCMCIA Socket Services v2.1 - GET/SET SOCKET SERVICES ADDRESS (AH=A0h) INT 1A - Disk Spool II v2.07+ - 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.} (AH=A0h) INT 1A - PCMCIA Socket Services v2.1 - GET ACCESS OFFSETS (AH=A1h) INT 1A - CardBus Socket Services - ACCESS CONFIGURATION SPACE (AH=A2h) INT 1A - CardBus Socket Services - GET BRIDGE WINDOW / WINDOW CAPABILITIES (AH=A4h) INT 1A - CardBus Socket Services - SET BRIDGE WINDOW (AH=A5h) 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.} (AH=ABh) 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.} (AH=ACh) INT 1A - Disk Spool II v1.83 - FUNCTION CALLS {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.} (AH=ADh) INT 1A - PCMCIA Socket Services v2.1 - API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (AH=AEh) INT 1A - PCMCIA Socket Services v2.1 - VENDOR SPECIFIC (AH=AEh) INT 1A - PCMCIA v2 Card Services - API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (AH=AFh) INT 1A - HP 100LX/200LX - PCMCIA - ??? {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.} (AX=B000h) INT 1A - Microsoft Real-Time Compression Interface (MRCI) - ROM-BASED SERVER (AX=B001h/CX=4D52h/DX=4349h) 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+ - INSTALLATION CHECK (AX=B101h) 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 (AX=B102h) 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 CLASS CODE (AX=B103h) 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+ - PCI BUS-SPECIFIC OPERATIONS (AX=B106h) 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 BYTE (AX=B108h) 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 WORD (AX=B109h) 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. (AX=B10Ah) 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. (VLSI devices) (AX=B10Ah) 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. (National Semicond. device) (AX=B10Ah) 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. (DEC device) (AX=B10Ah) 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. (AMD devices) (AX=B10Ah) 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. (PCIBM PC Technology devices) (AX=B10Ah) 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. (OPTi devices) (AX=B10Ah) 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. (Brooktree devices) (AX=B10Ah) 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. (PicoPower devices) (AX=B10Ah) 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. (VIA Technologies devices) (AX=B10Ah) 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) (AX=B10Ah) 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. (Adaptec devices) (AX=B10Ah) 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+ - WRITE CONFIGURATION BYTE (AX=B10Bh) 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+ - WRITE CONFIGURATION WORD (AX=B10Ch/DI=0100h) 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+ - WRITE CONFIGURATION DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. (AX=B10Dh/DI=0100h) 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. v2.1+ - GET IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. ROUTING INFORMATION (AX=B10Eh/BX=0000h) 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. v2.1+ - SET PCI IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. (AX=B10Fh/CL=0Dh) 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+ - INSTALLATION CHECK (32-bit) (AX=B181h) 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 (32-bit) (AX=B182h) 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 CLASS CODE (32-bit) (AX=B183h) 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+ - PCI BUS-SPECIFIC OPERATIONS (32-bit) (AX=B186h) 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 BYTE (32-bit) (AX=B188h) 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 WORD (32-bit) (AX=B189h) 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. (32-bit) (AX=B18Ah) 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+ - WRITE CONFIGURATION BYTE (32-bit) (AX=B18Bh) 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+ - WRITE CONFIGURATION WORD (32-bit) (AX=B18Ch/DI=0100h) 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+ - WRITE CONFIGURATION DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. (32-bit) (AX=B18Dh/DI=0100h) 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. v2.1+ - GET IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. ROUTING INFORMATION (32-bit) (AX=B18Eh/BX=0000h) 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. v2.1+ - SET PCI IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. (32-bit) (AX=B18Fh/CL=0Dh) INT 1A - Reserved For PCI (AH=B2h) INT 1A - Reserved For PCI (AH=B3h) INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - 32-BIT API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (AH=B4h) INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - INSTALLATION CHECK (AX=B400h) INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - GET DEFAULT CONFIG TABLE (AX=B401h) INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - COPY AND VERIFY CONFIG TABLE (AX=B402h) INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - STORE ESCD TABLE IN NVRAMsee Non-Volatile RAM (AX=B403h) INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - GET AVAILABLE IRQs??? (AX=B404h) INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - GET ??? (AX=B405h) INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - GET PCI IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. ROUTING TABLE (AX=B406h) INT 1A - Intel Plug-and-Play AUTO-CONFIGURATION - ??? (AX=B407h) 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.} (AH=C0h) INT 1A - DATEFIX - 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.} (AX=CCCCh/BX=CCCCh/CX=0000h) INT 1A - Disk Spool II v2.07+ - FUNCTION CALLS {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.} (AH=D0h) INT 1A - Disk Spool II v4.0x - ENABLE/DISABLE (AH=E0h) INT 1A - Disk Spool II v4.0x - GET STATUS (AH=E1h) INT 1A - TheGrab v4.60 - ??? (AX=E11Bh) INT 1A - TheGrab v4.60 - INSTALLATION CHECK (AX=E11Dh) INT 1A - Disk Spool II v4.0x - GET SPOOL(Simultaneous Peripheral Operation OnLine) The process of performing output to a slow peripheral such as a printer while other tasks continue running on the CPU. This term dates back to mainframe days before the invention of timesharing. FILES (AH=E2h) INT 1A - Disk Spool II v4.0x - GET SPOOL(Simultaneous Peripheral Operation OnLine) The process of performing output to a slow peripheral such as a printer while other tasks continue running on the CPU. This term dates back to mainframe days before the invention of timesharing. FILE STATUS (AX=E301h) INT 1A - Disk Spool II v4.0x - UPDATE SPOOL(Simultaneous Peripheral Operation OnLine) The process of performing output to a slow peripheral such as a printer while other tasks continue running on the CPU. This term dates back to mainframe days before the invention of timesharing. FILE (AX=E302h) INT 1A - Disk Spool II v4.0x - SPOOL(Simultaneous Peripheral Operation OnLine) The process of performing output to a slow peripheral such as a printer while other tasks continue running on the CPU. This term dates back to mainframe days before the invention of timesharing. EXISTING FILE (AX=E401h) INT 1A - Disk Spool II v4.0x - SPOOL(Simultaneous Peripheral Operation OnLine) The process of performing output to a slow peripheral such as a printer while other tasks continue running on the CPU. This term dates back to mainframe days before the invention of timesharing. EXISTING 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.} (AX=E402h) INT 1A - Emulaser ELSPL.COM - ??? {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.} (AH=E5h) INT 1A - Disk Spool II v4.05 - ??? {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.} (AH=EEh) INT 1A - RighTime v1.1 - TEMPORARILY DISABLE (AH=F7h) INT 1A - RighTime v1.1 - ENABLE (AH=F8h) INT 1A - AT&TAmerican Telephone and Telegraph 6300 - READ TIME AND DATE (AH=FEh) INT 1A - RighTime v1.1 - PERMANENTLY DISABLE (AH=FFh) INT 1A - AT&TAmerican Telephone and Telegraph 6300 - SET TIME AND DATE (AH=FFh) INT 1A - SND - INSTALLATION CHECK??? (AX=FF00h) INT 1A - SND - PAUSE (AX=FF01h) INT 1A - SND - START SOUND (AX=FF02h) INT 1A - SND - STOP SOUND (AX=FF03h) INT 1A - SND - PLAY MUSIC STRING IN BACKGROUND (AX=FF04h) INT 1A - SND - UNCONDITIONALLY STOP SOUND (AX=FF05h)