HP Vectra EX-BIOS - "F16_KBD_RESET" - RESET KEYBOARD TO DEFAULTS (INT 16, AX=6F09h) HP Vectra EX-BIOS - "F16_SET_ATTR" - SET TYPEMATIC VALUES (INT 16, AX=6F03h) HP Vectra EX-BIOS - "F16_SET_MAPPING" - SET KEY MAPPINGS (INT 16, AX=6F06h) HP Vectra EX-BIOS - "F16_SET_XLATORS" - SET CCP AND SOFTKEY PADS (INT 16, AX=6F07h) HP Vectra EX-BIOS - "F_CMOS_GET" - READ CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. MEMORY (INT 6F, AH=22h/BP=0012h) HP Vectra EX-BIOS - "F_CMOS_RET" - WRITE CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. MEMORY (INT 6F, AH=24h/BP=0012h) HP Vectra EX-BIOS - "F_DEF_MASKS" - DEFINE GRAPHICS CURSOR MASKS (INT 6F, AH=0Ah/BP=005Ah) HP Vectra EX-BIOS - "F_GET_BLOCK" - READ BLOCKS OF DATA FROM DEVICE (INT 6F, AH=0Ch) HP Vectra EX-BIOS - "F_GET_BUFFER" - READ A BUFFER OF DATA FROM DEVICE (INT 6F, AH=0Ch) HP Vectra EX-BIOS - "F_GET_BYTE" - READ A BYTE OF DATA FROM DEVICE (INT 6F, AH=08h) HP Vectra EX-BIOS - "F_GET_WORD" - READ WORD OF DATA FROM DEVICE (INT 6F, AH=10h) HP Vectra EX-BIOS - "F_INQUIRE" - GET DRIVER PHYSICAL DESCRIBE RECORD (INT 6F, AH=06h/BP=002Ah) HP Vectra EX-BIOS - "F_INQUIRE_ALL" - GET DRIVER STATUS TABLE (INT 6F, AH=08h/BP=002Ah) HP Vectra EX-BIOS - "F_INQUIRE_ENTRY" - GET GID DRIVER ENTRY POINT (INT 6F, AH=0Ch/BP=002Ah) HP Vectra EX-BIOS - "F_INQUIRE_FIRST" - GET PHYSICAL DRIVER VECTOR (INT 6F, AH=0Ah/BP=002Ah) HP Vectra EX-BIOS - "F_INS_BASEHPVT" - GET HP_VECTOR_TABLE ADDRESS (INT 6F, AH=04h/BP=0012h) HP Vectra EX-BIOS - "F_INS_FIND" - FIND DRIVER BY ATTRIBUTES (INT 6F, AH=18h/BP=0012h) HP Vectra EX-BIOS - "F_INS_FIXGETDS" - INSTALL VALUES IN FIXED VECTOR (INT 6F, AH=0Eh/BP=0012h) HP Vectra EX-BIOS - "F_INS_FIXGLBDS" - INSTALL VALUES IN FIXED VECTOR (INT 6F, AH=10h/BP=0012h) HP Vectra EX-BIOS - "F_INS_FIXOWNDS" - INSTALL VALUES IN FIXED VECTOR (INT 6F, AH=0Ch/BP=0012h) HP Vectra EX-BIOS - "F_INS_FREEGETDS" - INSTALL VALUES IN FREE VECTOR (INT 6F, AH=14h/BP=0012h) HP Vectra EX-BIOS - "F_INS_FREEGLBDS" - INSTALL VALUES IN FREE VECTOR (INT 6F, AH=16h/BP=0012h) HP Vectra EX-BIOS - "F_INS_FREEOWNDS" - INSTALL VALUES IN FREE VECTOR (INT 6F, AH=12h/BP=0012h) HP Vectra EX-BIOS - "F_INS_XCHGFIX" - EXCH VALUES WITH FIXED VECTOR (INT 6F, AH=06h/BP=0012h) HP Vectra EX-BIOS - "F_INS_XCHGFREE" - EXCH VALUES WITH FREE VECTOR (INT 6F, AH=0Ah/BP=0012h) HP Vectra EX-BIOS - "F_INS_XCHGRSVD" - EXCH VALUES WITH RESRVED VECTOR (INT 6F, AH=08h/BP=0012h) HP Vectra EX-BIOS - "F_IO_CTRL SF_CLIPPING_OFF" - DISABLE CLIPPING (INT 6F, AX=0410h) HP Vectra EX-BIOS - "F_IO_CTRL SF_CLIPPING_ON" - ENABLE CLIPPING (INT 6F, AX=040Eh) HP Vectra EX-BIOS - "F_IO_CTRL SF_CLR_CRTSW" - SET CRT TO MONOCHROME (INT 6F, AX=0418h/BP=00AEh) HP Vectra EX-BIOS - "F_IO_CTRL SF_CLR_RAMSW" - CLEAR 8041 RAM(Random Access Memory) See also DRAM, SRAM. SWITCH (INT 6F, AX=0414h/BP=00AEh) HP Vectra EX-BIOS - "F_IO_CTRL SF_CREATE_EVENT" - SET EVENT HANDLER (INT 6F, AX=0408h) HP Vectra EX-BIOS - "F_IO_CTRL SF_CREATE_INTR" - CREATE INTERVAL ENTRY (INT 6F, AX=040Ah/BP=00AEh) HP Vectra EX-BIOS - "F_IO_CTRL SF_CRV_DISABLE_REPEAT" - KEY REPT OFF (INT 6F, AX=040Eh/BP=0114h) HP Vectra EX-BIOS - "F_IO_CTRL SF_CRV_RECONFIGURE" - RECONFIG LINK (INT 6F, AX=0406h/BP=0114h) HP Vectra EX-BIOS - "F_IO_CTRL SF_CRV_REPEAT" - SET KEY REPEAT RATE (INT 6F, AX=040Ch/BP=0114h) HP Vectra EX-BIOS - "F_IO_CTRL SF_CRV_REPORT_NAME" - GET DEV NAME (INT 6F, AX=0414h/BP=0114h) HP Vectra EX-BIOS - "F_IO_CTRL SF_CRV_REPORT_STATUS" - GET DEVSTATUS (INT 6F, AX=0412h/BP=0114h) HP Vectra EX-BIOS - "F_IO_CTRL SF_CRV_SELF_TEST" - PERFORM SELFTEST (INT 6F, AX=0410h/BP=0114h) HP Vectra EX-BIOS - "F_IO_CTRL SF_CRV_WR_ACK" - ACKNOWLEDGE DEVICE (INT 6F, AX=040Ah/BP=0114h) HP Vectra EX-BIOS - "F_IO_CTRL SF_CRV_WR_PROMPTS" - WRITE PROMPT (INT 6F, AX=0408h/BP=0114h) HP Vectra EX-BIOS - "F_IO_CTRL SF_DEF_LINKS" - SET DEFAULT PARENTS (INT 6F, AX=0400h/BP=002Ah) HP Vectra EX-BIOS - "F_IO_CTRL SF_DELET_INTR" - DELETE INTERVAL ENTRY (INT 6F, AX=040Ch/BP=00AEh) HP Vectra EX-BIOS - "F_IO_CTRL SF_DISABLE_HPHIL" - MASK HP-HIL INT (INT 6F, AX=040Ah/BP=001Eh) HP Vectra EX-BIOS - "F_IO_CTRL SF_DISABLE_KBD" - MASK 8041 OBF INT (INT 6F, AX=0406h/BP=001Eh) HP Vectra EX-BIOS - "F_IO_CTRL SF_DISABLE_SVC" - MASK 8041 SVC INT (INT 6F, AX=0402h/BP=001Eh) HP Vectra EX-BIOS - "F_IO_CTRL SF_DISBL_INTR" - END INTERRUPT SERVICE (INT 6F, AX=0410h/BP=00AEh) HP Vectra EX-BIOS - "F_IO_CTRL SF_ENABL_INTR" - START INTERRUPT SRVICE (INT 6F, AX=040Eh/BP=00AEh) HP Vectra EX-BIOS - "F_IO_CTRL SF_ENABLE_HPHIL" - UNMASK HP-HIL INT (INT 6F, AX=0408h/BP=001Eh) HP Vectra EX-BIOS - "F_IO_CTRL SF_ENABLE_KBD" - UNMASK 8041 OBF INT (INT 6F, AX=0404h/BP=001Eh) HP Vectra EX-BIOS - "F_IO_CTRL SF_ENABLE_SVC" - UNMASK 8041 SVC INT (INT 6F, AX=0400h/BP=001Eh) HP Vectra EX-BIOS - "F_IO_CTRL SF_EVENT_OFF" - DISABLE EVENT HANDLER (INT 6F, AX=040Ch) HP Vectra EX-BIOS - "F_IO_CTRL SF_EVENT_ON" - ENABLE EVENT HANDLER (INT 6F, AX=040Ah) HP Vectra EX-BIOS - "F_IO_CTRL SF_GET_LINKS" - GET DRIVER LINK FIELDS (INT 6F, AX=0402h/BP=002Ah) HP Vectra EX-BIOS - "F_IO_CTRL SF_KEYBOARD_LED" - SET KEYBOARD LEDS (INT 6F, AX=0418h/BP=0114h) HP Vectra EX-BIOS - "F_IO_CTRL SF_KEYBOARD_REPEAT" - SET TYPEMATIC (INT 6F, AX=0416h/BP=0114h) HP Vectra EX-BIOS - "F_IO_CTRL SF_LOCK" - RESERVE SUB-ADDRESSES (INT 6F, AX=0400h) HP Vectra EX-BIOS - "F_IO_CTRL SF_MOUSE_COM" - FORCE INT 33 INIT (INT 6F, AX=0402h/BP=00CCh) HP Vectra EX-BIOS - "F_IO_CTRL SF_MOUSE_COM" - INIT INT 33 HANDLER (INT 6F, AX=0400h/BP=00CCh) HP Vectra EX-BIOS - "F_IO_CTRL SF_PASS_THRU" - SEND DATA BYTE TO 8041 (INT 6F, AX=041Ah/BP=00AEh) HP Vectra EX-BIOS - "F_IO_CTRL SF_SET_CRTSW" - SET CRT TO MULTIMODE (INT 6F, AX=0416h/BP=00AEh) HP Vectra EX-BIOS - "F_IO_CTRL SF_SET_LINKS" - SET DRIVER LINK FIELDS (INT 6F, AX=0404h/BP=002Ah) HP Vectra EX-BIOS - "F_IO_CTRL SF_SET_RAMSW" - SET RAM(Random Access Memory) See also DRAM, SRAM. SWITCH IN 8041 (INT 6F, AX=0412h/BP=00AEh) HP Vectra EX-BIOS - "F_IO_CTRL SF_TRACK_OFF" - GRAPHICS CURSOR OFF (INT 6F, AX=0406h) HP Vectra EX-BIOS - "F_IO_CTRL SF_TRACK_ON" - GRAPHICS CURSOR ON (INT 6F, AX=0404h) HP Vectra EX-BIOS - "F_IO_CTRL SF_UNLOCK" - RELEASE SUB-ADDRESSES (INT 6F, AX=0402h) HP Vectra EX-BIOS - "F_IO_CTRL SF_VID_GET_INFO" - GET DISPLAY INFO (INT 6F, AX=0402h/BP=0054h) HP Vectra EX-BIOS - "F_IO_CTRL SF_VID_GET_RES" - GET VIDMODE RESOLUTN (INT 6F, AX=0408h/BP=0054h) HP Vectra EX-BIOS - "F_IO_CTRL SF_VID_ID_HP" - INSTALLATION CHECK (INT 6F, AX=0400h/BP=0054h) HP Vectra EX-BIOS - "F_IO_CTRL SF_VID_MOD_INFO" - SET EXT-CTRL REG (INT 6F, AX=0406h/BP=0054h) HP Vectra EX-BIOS - "F_IO_CTRL SF_VID_SET_INFO" - SET EXT-CTRL INFO (INT 6F, AX=0404h/BP=0054h) HP Vectra EX-BIOS - "F_IO_CTRL SF_VID_SET_MODE" - SET VIDEO MODE (INT 6F, AX=040Ah/BP=0054h) HP Vectra EX-BIOS - "F_ISR" (internal) - RESPOND TO LOGICAL ISR (INT 6F, AH=00h) HP Vectra EX-BIOS - "F_PUT_BLOCK" - WRITE BLOCKS TO DEVICE (INT 6F, AH=0Ah) HP Vectra EX-BIOS - "F_PUT_BUFFER" - WRITE A BUFFER TO DEVICE (INT 6F, AH=0Ah) HP Vectra EX-BIOS - "F_PUT_BYTE" - WRITE A BYTE OF DATA TO DEVICE (INT 6F, AH=06h) HP Vectra EX-BIOS - "F_PUT_SPRITE" - DISPLAY GRAPHICS CURSOR SPRITE (INT 6F, AH=10h/BP=005Ah) HP Vectra EX-BIOS - "F_PUT_WORD" - WRITE A WORD OF DATA (INT 6F, AH=0Eh) HP Vectra EX-BIOS - "F_PUT_WORD" - WRITE WORD OF DATA TO DEVICE (INT 6F, AH=0Eh) HP Vectra EX-BIOS - "F_RAM_GET" - GET EX-BIOS FREE RAM(Random Access Memory) See also DRAM, SRAM. AREA (INT 6F, AH=1Eh/BP=0012h) HP Vectra EX-BIOS - "F_RAM_RET" - RESERVE EX-BIOS MEMORY (INT 6F, AH=20h/BP=0012h) HP Vectra EX-BIOS - "F_REMOVE_SPRITE" - REMOVE GRAPHICS CURSOR SPRITE (INT 6F, AH=12h/BP=005Ah) HP Vectra EX-BIOS - "F_SAMPLE" - POLL CURRENT ABSOLUTE POSITION (INT 6F, AH=06h) HP Vectra EX-BIOS - "F_SET_LIMITS_X" - SET HORIZONTAL TRACKING LIMITS (INT 6F, AH=0Ch/BP=005Ah) HP Vectra EX-BIOS - "F_SET_LIMITS_Y" - SET VERTICAL TRACKING LIMITS (INT 6F, AH=0Eh/BP=005Ah) HP Vectra EX-BIOS - "F_SND_BEEP" - SOUND BEEP WITH CURRENT VALUES (INT 6F, AH=3Ah/BP=0012h) HP Vectra EX-BIOS - "F_SND_BEEP_DISABLE" - DISABLE BEEPS (INT 6F, AH=38h/BP=0012h) HP Vectra EX-BIOS - "F_SND_BEEP_ENABLE" - ENABLE BEEPS (INT 6F, AH=36h/BP=0012h) HP Vectra EX-BIOS - "F_SND_CLICK" - GENERATE KEYCLICK (INT 6F, AH=34h/BP=0012h) HP Vectra EX-BIOS - "F_SND_CLICK_DISABLE" - TURN OFF KEYCLICKS (INT 6F, AH=32h/BP=0012h) HP Vectra EX-BIOS - "F_SND_CLICK_ENABLE" - TURN ON KEYCLICKS (INT 6F, AH=30h/BP=0012h) HP Vectra EX-BIOS - "F_SND_SET_BEEP" - SET BEEP FREQUENCY AND DURATION (INT 6F, AH=3Ch/BP=0012h) HP Vectra EX-BIOS - "F_SND_TONE" - SOUND TONE WITH FREQ AND DURATION (INT 6F, AH=3Eh/BP=0012h) HP Vectra EX-BIOS - "F_STR_DEL_BUCKET" - DEL HEADER FROM BUCKET LIST (INT 6F, AH=42h/BP=0012h) HP Vectra EX-BIOS - "F_STR_GET_FREE_INDEX" - FIND FREE STRING INDEX (INT 6F, AH=40h/BP=0012h) HP Vectra EX-BIOS - "F_STR_GET_INDEX" - GET INDEX FOR STRING (INT 6F, AH=48h/BP=0012h) HP Vectra EX-BIOS - "F_STR_GET_STRING" - FIND STRING IN BUCKET LIST (INT 6F, AH=46h/BP=0012h) HP Vectra EX-BIOS - "F_STR_PUT_BUCKET" - ADD HEADER TO BUCKET HDR LIST (INT 6F, AH=44h/BP=0012h) HP Vectra EX-BIOS - "F_SYSTEM SF_CLOSE" - RELEASE DRIVER (INT 6F, AX=0210h) HP Vectra EX-BIOS - "F_SYSTEM SF_DEF_ATTR" - RESET TO DEFAULT ATTR (INT 6F, AX=0208h) HP Vectra EX-BIOS - "F_SYSTEM SF_GET_ATTR" - GET CURRENT ATTRIBUTES (INT 6F, AX=020Ah) HP Vectra EX-BIOS - "F_SYSTEM SF_INIT" - START INITIALIZING DRIVER (INT 6F, AX=0200h) HP Vectra EX-BIOS - "F_SYSTEM SF_INTERVAL" - 60 HZ INTERVAL EXPIRED (INT 6F, AX=0214h) HP Vectra EX-BIOS - "F_SYSTEM SF_OPEN" - RESERVE DRIVER FOR ACCESS (INT 6F, AX=020Eh) HP Vectra EX-BIOS - "F_SYSTEM SF_REPORT_STATE" - GET DRIVER STATE (INT 6F, AX=0204h) HP Vectra EX-BIOS - "F_SYSTEM SF_SET_ATTR" - SET DEVICE ATTRIBUTES (INT 6F, AX=020Ch) HP Vectra EX-BIOS - "F_SYSTEM SF_START" - COMPLETE DRIVER INITIALIZ. (INT 6F, AX=0202h) HP Vectra EX-BIOS - "F_SYSTEM SF_TEST" - PERFORM HARDWARE TEST (INT 6F, AX=0216h) HP Vectra EX-BIOS - "F_SYSTEM SF_TIMEOUT" - REPORT REQUESTED TIMEOUT (INT 6F, AX=0212h) HP Vectra EX-BIOS - "F_SYSTEM SF_VERSION_DESC" - GET DRIVER VERSION (INT 6F, AX=0206h) HP Vectra EX-BIOS - "F_TRACK_INIT" - RESET TRACKING DRIVER TO DEFAULTS (INT 6F, AH=04h/BP=005Ah) HP Vectra EX-BIOS - "F_TRACK_OFF" - DISABLE CURSOR TRACKING (INT 6F, AH=08h/BP=005Ah) HP Vectra EX-BIOS - "F_TRACK_ON" - ENABLE CURSOR TRACKING (INT 6F, AH=06h/BP=005Ah) HP Vectra EX-BIOS - "F_YIELD" - GIVE UP CPU(Central Processing Unit) The microprocessor which executes programs on your computer. TO OTHER TASKS (INT 6F, AH=2Ah/BP=0012h) HP Vectra Human Interface Link (PORTIBM PC Portable (uses same BIOS as XT) 0068-006F) HP-HIL CONTROLLER INTERRUPT {callout or callback} (INT 6C, HP Vectra ATIBM PC AT, IRQ20) HRMIB - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, Personal NetWare, AX=7AA0h) HSY AFTER PHI1 50Hz (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/05h, Philips SAA7110(A) ONE-CHIP FRONT-END) HSY AFTER PHI1 60 Hz (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/18h, Philips SAA7110(A) ONE-CHIP FRONT-END) HSY BEGIN 50 Hz (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/01h, Philips SAA7110(A) ONE-CHIP FRONT-END) HSY BEGIN 60 Hz (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/14h, Philips SAA7110(A) ONE-CHIP FRONT-END) HSY STOP 50 Hz (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/02h, Philips SAA7110(A) ONE-CHIP FRONT-END) HSY STOP 60 Hz (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/15h, Philips SAA7110(A) ONE-CHIP FRONT-END) HSYNC START (PORTIBM PC Portable (uses same BIOS as XT) 0AE8-0AEF, 8514/A and compatible (e.g. ATI Graphics Ultra)) HSYNC WIDTH (PORTIBM PC Portable (uses same BIOS as XT) 0EE8-0EEF, 8514/A and compatible (e.g. ATI Graphics Ultra)) HUB DEVICE ATTACHED (INT 2F, CATC USB4DOS Device Manager, AX=BC00h/BL=03h) HUB DEVICE DETACHED (INT 2F, CATC USB4DOS Device Manager, AX=BC00h/BL=04h) HUE (COLOR) CONTROL (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 8Ah/02h, Philips TDA8366) HUE CONTROL (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 88h/0Fh, Brooktree Bt819A) HUE CONTROL (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/07h, Philips SAA7110(A) ONE-CHIP FRONT-END) HugeRealMode Driver (CALL xxxxh:xxxxh) HW DRIVER (ETHDEV.SYS) - ??? (INT 62, BW-TCP, AH=05h) HW DRIVER (ETHDEV.SYS) - ??? (INT 62, BW-TCP, AH=06h) HW DRIVER (ETHDEV.SYS) - ??? (INT 62, BW-TCP, AH=07h) HW DRIVER (ETHDEV.SYS) - ??? (INT 62, BW-TCP, AH=08h) HW DRIVER (ETHDEV.SYS) - ??? (INT 62, BW-TCP, AH=13h) HW DRIVER (ETHDEV.SYS) - ??? (INT 62, BW-TCP, AH=14h) HW DRIVER (ETHDEV.SYS) - ??? (INT 62, BW-TCP, AH=16h) HW DRIVER (ETHDEV.SYS) - ??? (INT 62, BW-TCP, AH=17h) HW DRIVER (ETHDEV.SYS) - ADD ??? (INT 62, BW-TCP, AH=0Bh) HW DRIVER (ETHDEV.SYS) - GET ??? (INT 62, BW-TCP, AH=15h) HW DRIVER (ETHDEV.SYS) - GET SOCKET NUMBER??? (INT 62, BW-TCP, AH=12h) HW DRIVER (ETHDEV.SYS) - REMOVE ??? (INT 62, BW-TCP, AH=0Ch) HW DRIVER (ETHDEV.SYS) - SET ??? (INT 62, BW-TCP, AH=04h) HW DRIVER (ETHDEV.SYS) - SET ??? (INT 62, BW-TCP, AH=11h) HyperDisk v4.01+ - ??? (INT 13, AX=8EEDh) HyperDisk v4.01+ - ??? (INT 13, AX=8EEEh) HyperDisk v4.01+ - ??? (INT 13, AX=8EEFh) Hyunday Super-NB386S (AMD386sx with Intel chipset) (PORTIBM PC Portable (uses same BIOS as XT) 00EF) I/O AND CLOCK CONTROL (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/0Eh, Philips SAA7110(A) ONE-CHIP FRONT-END) I/O Port (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/34h, ITT VDP 31xxB) I/O port (PORTIBM PC Portable (uses same BIOS as XT) 0338, AdLib sound card) I/O port access registers for extended 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. or SRAM(Static Random Access Memory) RAM which typically consists of one flip-flop per bit of memory. Unlike DRAMs, static RAM retains its contents as long as power is applied. Because there is no need to refresh the contents of memory addresses which are read, SRAM is faster than DRAM, but it is more expensive and typically is available in much smaller sizes than DRAM because each bit occupies more space on the chip. See also DRAM. (PORTIBM PC Portable (uses same BIOS as XT) 0800-08FF) I/O port offset {IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. documented only for XTIBM PC XT} (MEM 0040h:0077h, FIXED DISK) I/O REGISTER SELECT (MEM FEC0h:0000h, Pentium, 82379AB I/O APIC) I/O WINDOW (MEM FEC0h:0010h, Pentium, 82379AB I/O APIC) 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. PORTIBM PC Portable (uses same BIOS as XT) (PORTIBM PC Portable (uses same BIOS as XT) 00E2, S3 Trio64V+) 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. PORTIBM PC Portable (uses same BIOS as XT) (PORTIBM PC Portable (uses same BIOS as XT) 00E8, S3 Trio64V+) I2C-bus controlled YUVA color specification mechanism used in NTSC-type color television signals. Y represents luminance (overall brightness, the only part of the signal used by black-and-white televisions), while U and V are chrominance (color) information. Also called YIQ. See also RGB./RGB(Red-Green-Blue) The color specification mechanism normally used in computer displays, where colors are separated into their primary-color components. See also YUV. switch (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. E0h, TDA8443A) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. - RESET CODE (IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PS/2IBM PS/2, any model "Shutdown Status Byte") (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 0Fh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 3270-PC High Level Language API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. (INT 44) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 4717 Magnetic Stripe Reader - ??? (PORTIBM PC Portable (uses same BIOS as XT) 0066) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 4717 Magnetic Stripe Reader - ??? (PORTIBM PC Portable (uses same BIOS as XT) 0069) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 802.2 INTERFACE (LLC) (INT 5C) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 8514/A Adapter Interface (HDILOAD) (CALL xxxxh:xxxxh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 8514/A Adapter Interface (HDILOAD.EXE) (INT 7F, AX=0105h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 8516 Touch Screen Device DriverAn interface module between the device-independent portions of the operating system and an actual hardware device which converts device-independent requests into the actual sequence of device operations to perform the requested action. IO.SYS contains the standard, built-in MSDOS device drivers such as CON, COM1, AUX, PRN, etc. See also INT 21h Function 52h and INT 2Fh Function 0802h. (CALL xxxxh:xxxxh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. ATIBM PC AT SIGNATURE (MEM F000h:2DC5h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. DOS 6.1 E.EXE - ??? (INT 7D) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PCIBM PC 3270 EMULATION 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.} (INT 2A, AH=90h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PCIBM PC 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. (MEM F000h:6000h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PC3270 EMUL PROG v3 - 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.} (INT 7A, AX=FF04h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PC3270 EMULATION PROG v3 - ??? (INT 2F, AX=B402h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PC3270 EMULATION PROG v3 - ??? (INT 2F, AX=B403h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PC3270 EMULATION PROG v3 - ??? (INT 2F, AX=B404h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PC3270 EMULATION PROG v3 - ??? (INT 2F, AX=B405h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PSIBM PS/2, any model/1 CLOCK (PORTIBM PC Portable (uses same BIOS as XT) 00E0-00EF) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. REXX88PC command language {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 7C) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. ROM-DOS v4.0 - ??? (INT 2B) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. ROM-DOS v4.0 - GET ??? STRING {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, AX=1981h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. ROM-DOS v4.0 - GET ??? 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.} (INT 2F, AX=1982h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 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. (Small Computer System Interface) adapter (PORTIBM PC Portable (uses same BIOS as XT) 3540-354F) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 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. (Small Computer System Interface) adapter (PORTIBM PC Portable (uses same BIOS as XT) 3550-355F) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 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. (Small Computer System Interface) adapter (PORTIBM PC Portable (uses same BIOS as XT) 3560-356F) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 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. (Small Computer System Interface) adapter (PORTIBM PC Portable (uses same BIOS as XT) 3570-357F) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. 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. interface (INT 4B, AH=80h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 10, AH=12h/BL=38h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 10, AH=12h/BL=39h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 10, AH=12h/BL=3Ah) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 10, AX=1118h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 13, AH=FFh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 14, AH=ADh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 14, AH=AEh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 14, AH=AFh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 15, AH=07h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 15, AH=3Dh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 15, AH=3Eh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 15, AH=3Fh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 15, AH=4Eh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 15, AH=54h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 15, AH=92h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 15, AH=ABh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 15, AH=C2h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 17, AH=03h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 17, AH=04h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 17, AH=05h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 17, AH=0Bh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 17, AH=0Ch) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 17, AH=0Dh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 17, AH=0Eh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. SurePath BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - Officially "Private" Function (INT 17, AH=80h) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. System 36/38 Workstation Emulation (CALL xxxxh:xxxxh) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. TOKEN RING ADAPTER - ??? (INT 81) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. TOKEN RING ADAPTER - ??? (INT 82) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. TOKEN RING ADAPTER - ??? (INT 91) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. TOKEN RING ADAPTER - ??? (INT 93) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. XGA(Extended Graphics Array) (eXtended Graphics Adapter 8514/A) (fifth installed) (PORTIBM PC Portable (uses same BIOS as XT) 2140-214F) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. XGA(Extended Graphics Array) (eXtended Graphics Adapter 8514/A) (fourth installed) (PORTIBM PC Portable (uses same BIOS as XT) 2130-213F) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. XGA(Extended Graphics Array) (eXtended Graphics Adapter 8514/A) (second installed) (PORTIBM PC Portable (uses same BIOS as XT) 2110-211F) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. XGA(Extended Graphics Array) (eXtended Graphics Adapter 8514/A) (sixth installed) (PORTIBM PC Portable (uses same BIOS as XT) 2150-215F) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. XGA(Extended Graphics Array) (eXtended Graphics Adapter 8514/A) (third installed) (PORTIBM PC Portable (uses same BIOS as XT) 2120-212F) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. XGA(Extended Graphics Array) (eXtended Graphics Adapter 8514/A) (eighth installed) (PORTIBM PC Portable (uses same BIOS as XT) 2170-217F) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. XGA(Extended Graphics Array) (eXtended Graphics Adapter 8514/A) (seventh installed) (PORTIBM PC Portable (uses same BIOS as XT) 2160-216F) IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. XGA(Extended Graphics Array) Adapter Interface (XGAAIDOS.SYS) (INT 7F, AX=0105h) IBMSND driver, DIGPAK - "SetAudioHardware" - SET UP HARDWARE INFO (INT 66, AX=0690h) ID CODE (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 88h/17h, Brooktree Bt819A) ID port (alternate address) (PORTIBM PC Portable (uses same BIOS as XT) 0110, 3COM 3C509 Ethernet card) ID port (alternate address) (PORTIBM PC Portable (uses same BIOS as XT) 0120, 3COM 3C509 Ethernet card) ID port (PORTIBM PC Portable (uses same BIOS as XT) 0100, 3COM 3C509 Ethernet card) IDE(Integrated Drive Electronics) A type of disk drive interface which essentially extends the PCIBM PC's expansion bus all the way to the drive and places the drive controller on the disk drive itself. See also ESDI. and shadowing control (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 2Bh, AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. WinBIOS) IDE(Integrated Drive Electronics) A type of disk drive interface which essentially extends the PCIBM PC's expansion bus all the way to the drive and places the drive controller on the disk drive itself. See also ESDI. control (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 36h, AWARD) IDE(Integrated Drive Electronics) A type of disk drive interface which essentially extends the PCIBM PC's expansion bus all the way to the drive and places the drive controller on the disk drive itself. See also ESDI. hard disk params for first drive on second IDE(Integrated Drive Electronics) A type of disk drive interface which essentially extends the PCIBM PC's expansion bus all the way to the drive and places the drive controller on the disk drive itself. See also ESDI. port (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 68h-6Fh, AWARD) IDE(Integrated Drive Electronics) A type of disk drive interface which essentially extends the PCIBM PC's expansion bus all the way to the drive and places the drive controller on the disk drive itself. See also ESDI. hard disk params for second drive on second IDE(Integrated Drive Electronics) A type of disk drive interface which essentially extends the PCIBM PC's expansion bus all the way to the drive and places the drive controller on the disk drive itself. See also ESDI. port (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 71h-78h, AWARD) IDENTICAL TO INT 86 (INT C6, APL(A Programming Language) An interactive, mathematically- oriented language which is well-suited to manipulating matrices. Originally using greek letters and numerous special symbols, thus requiring a special display, versions are now available which use keywords in place of the special symbols.*PLUS/PCIBM PC) IDENTICAL TO INT 88 (INT C8, APL(A Programming Language) An interactive, mathematically- oriented language which is well-suited to manipulating matrices. Originally using greek letters and numerous special symbols, thus requiring a special display, versions are now available which use keywords in place of the special symbols.*PLUS/PCIBM PC) IDENTIFY DRIVE (INT 13, HARD DISK, PSIBM PS/2, any model/1 and newer PS/2IBM PS/2, any model, AH=25h) IDENTIFY FILENAME REFERENT {partially documented} (INT 60, HP 95LX System Manager, DI=050Bh) IDENTIFY INSTANCE DATA {callout or callback} (INT 2F, DOS 5+ TASK SWITCHER, AX=4B05h/ES:BX=0000h) IDENTIFY LOAD ADDRESS OF DEVICE DRIVER LOCATION (INT D4, PC-MOS/386 v5.01, AH=25h) IDENTIFY 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. DEVICES (INT 13, Adaptec AHA-154xA/Bustek BT-542 BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly., AH=06h) IDENTIFY TSRs (INT 2F, MS Windows 3.1, AX=160Bh/ES:DI=0000h) IDENTIFY WINDOWS VERSION AND TYPE (INT 2F, MS Windows 3.1, AX=160Ah) IDTsee Interrupt Descriptor Table WinChip2 - ??? (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:0131h) IDTsee Interrupt Descriptor Table WinChip2 - ??? (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:0142h) IDTsee Interrupt Descriptor Table WinChip2 - ??? (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:0143h) IDTsee Interrupt Descriptor Table WinChip2 - ??? (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:0144h) IDTsee Interrupt Descriptor Table WinChip2 - ??? (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:0145h) IDTsee Interrupt Descriptor Table WinChip2 - ??? (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:0147h) IDTsee Interrupt Descriptor Table WinChip2 - ??? (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:0150h) IDTsee Interrupt Descriptor Table WinChip2 - ??? (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:0151h) IF compensation (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/20h, ITT VPX 32xx) IF compensation (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/20h, ITT VDP 3108) IFSsee Installable File System Drivers (CALL xxxxh:xxxxh) IFSsee Installable File System IOCTL {callout or callback, undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, IFSFUNC.EXE (DOS 4.x only), AX=112Fh) IFSsee Installable File System IOCTL {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 21, DOS 4.0 internal, AH=6Bh) IFSHLP.SYS (CALL xxxxh:xxxxh) IGNORE NEXT DEBUG EXCEPTION (INT 67, Nanosoft MD386, AX=5E05h) In-Circuit Emulator BreakpointWhen debugging, a memory location which when accessed causes a break in the normal flow of execution and the invocation of the debugger. Used to let a program run at full speed until a certain instruction is reached or (less frequently) a particular data item is accessed or changed. (OPCODE ICEBP) IN-SERVICE REGISTER (ISR) (MEM FEE0h:0100h, Pentium +, LOCAL APIC) INCA (INT 66, PC-Magazin) INCREMENT DELAY (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 9Ch/00h, Philips SAA7110(A) ONE-CHIP FRONT-END) INDEX INTO DISPLAY COMBINATION CODE TBL {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.} (MEM 0040h:008Ah, VIDEO (MCGAMulti-Color Graphics Array(Multi-Color Graphics Array) The low-end color adapter offered in IBMInternational Busiuness Machines's early PS/2IBM PS/2, any model series machines./VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers.)) INFORMATION FLAG (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 33h, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911.) INFORMATION FLAGS (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 33h, AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. WinBIOS) INFORMATION FLAGS (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 33h, Quadtel HT12 BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. 03.05.03) INFRARED INTERRUPT (INT 0D, HP 95LX) INHIBIT WORKSTATION SCREEN UPDATES (INT 10, Alloy MW386, AH=92h) INIT DPMIsee DOS Protected-Mode Interface HOST AND SPAWN SUBSHELL {real mode, undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, Borland C++ 3.0 DPMILOAD.EXE, AX=FB42h/BX=000Ah/CX=0001h) INIT USER BUFFER PTR INFO (INT 61, Banyan VINES, ASYNC TERMINAL EMULATION, AX=0003h) INITIAL COUNT REGISTER (ICR) TIMER (MEM FEE0h:0380h, Pentium +, LOCAL APIC) INITIAL EXTERNAL UART(Universal Asyncronous Receiver/Transmitter) A peripheral device which converts a sequence of bytes into a serial bit stream at a programmable rate, and vice versa. This device is what makes an RS-232 serial port function. See also USART. SETUP BYTE (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 27h, AMSTRAD) INITIAL SYSTEM UART(Universal Asyncronous Receiver/Transmitter) A peripheral device which converts a sequence of bytes into a serial bit stream at a programmable rate, and vice versa. This device is what makes an RS-232 serial port function. See also USART. SETUP BYTE (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 26h, AMSTRAD) INITIAL VDU(Video Display Unit) Mainframe-speak for computer monitor. CHARACTER ATTRIBUTE (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 24h, AMSTRAD) INITIAL VDU(Video Display Unit) Mainframe-speak for computer monitor. MODE AND DRIVE COUNT (CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 23h, AMSTRAD) INITIALIZATION (INT 15, MultiDOS Plus, AH=16h) INITIALIZE (INIT1) {real mode} (INT 7A, AutoCAD Device Interface, DISPLAY, AX=0001h) INITIALIZE (RDLINKUP) {real mode} (INT 7A, AutoCAD Device Interface, RENDERING DEVICE, AX=0200h/BX=0000h) INITIALIZE (RESET) (INT 65, Ad Lib SOUND.COM, SI=0000h) INITIALIZE (CALL 0060h:0000h, Eagle MS-DOS v1.25 IO.SYS) INITIALIZE (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. (Fido/Opus/Seadog Standard Interface Level), AH=00h/DX=FFh) INITIALIZE (INT 15, SYSTEM, POINTING DEVICE 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. INTERFACE (PSIBM PS/2, any model), AX=C205h) INITIALIZE (INT 17, INSET, AX=CD02h) INITIALIZE (INT 18, Gravis Ultra Sound EURO_MOD.EXE, AX=8000h) INITIALIZE (INT 18, NEC PC-9800 series, KEYBOARD, AH=03h) INITIALIZE (INT 1A, NEC PC-9800 series, PRINTER, AH=10h) INITIALIZE (INT 2F, RESPLAY, AX=8210h/BH=A0h) INITIALIZE (INT 62, BW-TCP, HW DRIVER (ETHDEV.SYS), AH=02h) INITIALIZE (INT 66, PenDOS, PINK, AH=2Fh) INITIALIZE (INT 66, PenDOS, TDMOUSE.EXE, AH=12h) INITIALIZE (INT 80, QPC Software PKTINT.COM, AH=01h) INITIALIZE CONTROLLER WITH DRIVE PARAMETERS (ATIBM PC AT,PSIBM PS/2, any model) (INT 13, HARD DISK, AH=09h) INITIALIZE DMAsee Direct Memory Access BUFFER {partially documented} (INT 94, PCM driver, SI=0003h) INITIALIZE DRIVER (INT 14, FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use., AH=04h) INITIALIZE DRIVER (INT 2F, MDEBUG command driver, AX=D101h) INITIALIZE DRIVER {callout or callback} (INT 2F, MDEBUG display driver, AX=D001h) INITIALIZE DV {callout or callback} (INT 2F, DESQview v2.50+ External Dev Interface, AX=DE0Fh) INITIALIZE FILE SELECTION MENU {partially documented} (INT 60, HP 95LX System Manager, DI=0205h) INITIALIZE HELP SYSTEM {partially documented} (INT 60, HP 95LX System Manager, DI=1300h) INITIALIZE LINKED MODE (INT 17, INSET, AX=CD04h) INITIALIZE MODE (INT 14, Microsoft Systems Journal TSRCOMM INT14, AX=0401h) INITIALIZE NETWORK ADDRESS {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 7A, Novell NetWare, IPX(Internetwork Packet Exchange) A low-level layer of Novell's NetWare networking software. Driver, internal, BX=000Ch) INITIALIZE PCM INFO {partially documented} (INT 94, PCM driver, SI=0002h) INITIALIZE PCM {partially documented} (INT 94, PCM driver, SI=0001h) INITIALIZE PORTIBM PC Portable (uses same BIOS as XT) (INT 14, MBBIOS, AH=00h) INITIALIZE PORTIBM PC Portable (uses same BIOS as XT) (INT 14, MultiDOS Plus IODRV, AH=04h) INITIALIZE PORTIBM PC Portable (uses same BIOS as XT) (INT 14, MultiDOS Plus, AH=20h) INITIALIZE PORTIBM PC Portable (uses same BIOS as XT) (INT 14, SERIAL, AH=00h) INITIALIZE PORTIBM PC Portable (uses same BIOS as XT) (INT 17, PRINTER, AH=01h) INITIALIZE PRINTER (INT 4B, TI Professional PCIBM PC, PARALLEL PORTIBM PC Portable (uses same BIOS as XT), AH=01h) INITIALIZE PRINTER {partially documented} (INT 60, HP 95LX System Manager, DI=0C03h) INITIALIZE PROTECTED-MODE INTERFACE (INT 15, Rational Systems DOS/4GW, AX=BF05h) INITIALIZE REAL PROCEDURE (INT 21, OS/286, OS/386, AH=E0h) INITIALIZE REAL-TIME CLOCK (INT 1A, TIME, AH=0Fh) INITIALIZE SEARCH (INT 21, Novell NetWare, AX=F257h) INITIALIZE SOUND {partially documented} (INT 94, PCM driver, SI=0000h) INITIALIZE USER FUNCTION {partially documented} (INT 94, PCM driver, SI=0004h) INITIALIZE VIDEO SUPPORT (INT 10, SOLLEX SuperVGA, VIDEO SUPPORT CONTROL, AX=7F03h/BL=01h) INITIALIZE {partially documented} (INT 94, Media Vision PCM.COM, SI=8011h) INITIALIZE {real mode} (INT 79, AutoCAD Device Interface, DIGITIZER, AX=0001h) INITIALIZE {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 14, BWCOM14, AH=57h) INITIATE ACCESS TO SPECIFIC PACKET TYPE (INT 21, TopWare Network OS v5.10+, AX=FFE3h/DL=00h) INITIATE DISK EMULATION (INT 13, Bootable CD-ROM, AH=4Ah/AL=00h) INITIATE DISK EMULATION AND BOOT (INT 13, Bootable CD-ROM, AH=4Ch/AL=00h) INITIATE EXPORTING TASK DATA (INT 2F, DR DOS 6.0 TaskMAX, AX=2712h) INITIATE PASTE OPERATION (INT 2F, DR DOS 6.0 TaskMAX, AX=2713h) INITIATE PRINT JOB (INT 21, 10NET v5.0, AX=5E04h) INPUT CHAR FROM AUX: DEVICE (CALL 0060h:000Fh, Eagle MS-DOS v1.25 IO.SYS) INPUT CHARACTER {callout or callback, protected mode, undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 41, MS Windows debugging kernel, AX=0001h) INPUT FORMAT (I2C(also IIC; the "2" is superscripted) Inter-Integrated Circuit Bus -- A moderate-speed serial communications bus originally invented by Philips in the early 1980s for consumer-electronics applications, such as inter-chip communication in a television set or high-end stereo. The I2C bus has recently appeared on PCs in video capture boards and similar devices, as well as (surprisingly) SDRAM DIMMs (for the on-board serial EEPROM). The ACCESS.bus is a derivative of the I2C bus which forms the physical layer of the Universal Serial Bus. Similary, the SMBus (System Management Bus) also uses I2C as its physical layer. 88h/01h, Brooktree Bt819A) INPUT QUEUE CHECK (INT 14, Digiboard DigiCHANNEL PCIBM PC/X*, AH=0Ah) Input Selector (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/33h, ITT VPX 32xx) Input Selector (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/33h, ITT VDP 3108) INPUT STATUS CHECK (INT 14, PC-MOS/386 v5.01 $serial.sys v5.04, AH=08h) INPUT STRING (INT 14, PC-MOS/386 v5.01 $serial.sys v5.04, AH=15h/SI=0000h) INQUIRE ADAPTER (INT 1A, PCMCIA Socket Services v1.00, AH=84h) INQUIRE AVAILABLE DEVICES (INT 10, Direct Graphics Interface Standard (DGIS(Direct Graphics Interface Standard)), AX=6A00h/BX=0000h/CX=0000h) INQUIRE ERROR DETECTION CODE (INT 1A, PCMCIA Socket Services v1.00, AH=95h) INQUIRE INT 10 OUTPUT DEVICE (INT 10, DGIS(Direct Graphics Interface Standard), AX=6A02h/ES:DI=0000h) INQUIRE OPTIONS (INT 10, Cirrus Logic 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. v3.02, AH=12h/BL=84h) INQUIRE SOCKET (INT 1A, PCMCIA Socket Services v1.00, AH=8Ch) INQUIRE VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers. TYPE (INT 10, Cirrus Logic BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly., AH=12h/BL=80h) INQUIRE WINDOW (INT 1A, PCMCIA Socket Services v1.00, AH=87h) Inquiry (INT 13, Seagate ST01/ST02, AX=5501h) Insert Bit String (OPCODE INS) Insert Bits String (OPCODE IBTS) INSERT CHARACTER INTO KEYBOARD BUFFER (INT 4A, TI Professional PCIBM PC, KEYBOARD, AH=05h) Insert Word (OPCODE PINSRW) INSERT/DELETE FUNCTION FROM TIMER TICK CHAIN (INT 14, FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use., AH=16h) INSTALL AN EXTERNAL APPLICATION FUNCTION (INT 14, FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use., AH=7Eh) INSTALL CHECK (INT 6B, Novell NASI/NACS, Ungermann-Bass Net One SERIAL I/O, AH=02h) INSTALL CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 21, SUPERSTOR, IOCTL, AX=4405h/CX=000Ch) INSTALL FDOS HOOK (SHARE / DELWATCH) {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, DR DOS 6.0+ FDOS EXTENSIONS, AX=1001h) INSTALL I/O VIRTUALIZATION HANDLER (INT 2F, MS EMM386.EXE v4.46+, AX=4A15h/BX=0000h) INSTALL INTERRUPT HANDLERS {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 17, Emulaser ELTSR, AH=03h) INSTALL IRQ3 HANDLER (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). Serial Dispatcher, AX=1A42h/BX=4156h) INSTALL IRQ4 HANDLER (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). Serial Dispatcher, AX=1A43h/BX=4156h) INSTALL MOD. SEG FAILURE HANDLER {protected mode} (INT 21, Phar Lap 386/DOS-Extender v3.0+, AX=253Ah) INSTALL PAGE-REPLACEMENT HANDLERS {protected mode} (INT 21, Phar Lap 386/DOS-Ext VMM v2.2+, AX=2524h) INSTALL RESIDENT HANDLER INIT CALLBACK {protected mode} (INT 31, DPMIsee DOS Protected-Mode Interface 1.0+, AX=0C00h) INSTALL SERVICE (INT 2F, LAN Manager Enhanced DOS Services, AX=1182h) INSTALL SERVICE HANDLER (INT 61, Banyan VINES, AH=03h) INSTALLABLE COMMANDS (INT 21, CED (Command EDitor), AH=FFh) INSTALLATION BROADCAST {callout or callback} (INT 2F, StackMan, AX=C9FFh) INSTALLATION CHECK (32-bit) (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+, AX=B181h) INSTALLATION CHECK (NOT A VECTOR!) (INT F1, NetWare Remote BootTo start up the computer or operating system. The term "boot" is a contraction of "bootstrap", which in turn comes from the expression "to lift oneself by one's boot straps." The ROM BIOS on IBMInternational Busiuness Machines PCs and compatibles reads in the first sector of the disk, which contains a short (less than 500 bytes) program that reads in a portion of the operating system, which in turn reads in the remainder of the operating system. See also IPL.) INSTALLATION CHECK / CAPABILITIES (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), AX=4F15h/BL=00h) INSTALLATION CHECK / GET VERSION (INT 2F, Disk-Emu, AX=AFDEh) INSTALLATION CHECK / GET VERSION (INT 2F, OS/2 v2.0+, AX=4010h) INSTALLATION CHECK / GET VERSION (INT 2F, SRSoft MODAL PCIBM PC v2+, AX=AB00h) INSTALLATION CHECK / GET VERSION (INT 33, LCS/Telegraphics MOUSE DRIVERS, AX=004Bh) INSTALLATION CHECK / REDIRECTION CONTROLa (INT 16, Doorway v2.x+, AH=67h) INSTALLATION CHECK / STATUS CHECK (INT 2F, FreeDOS, FDAK-DDT, AX=12FFh/BL=00h) INSTALLATION CHECK / VERSION CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} (INT 2F, S3RMDRV.SYS, AX=9800h) INSTALLATION CHECK / Windows SUPPORT (INT 2F, Novell NetWare, TBMI v1.1+, AX=7AFFh/BX=0000h/CX=4E65h/DX=7457h) INSTALLATION CHECK (INT 10, Athena Digital HGCIBM.COM, AH=BFh/CX=0000h) INSTALLATION CHECK (INT 10, FASTBUFF.COM, AH=FAh) INSTALLATION CHECK (INT 10, FRIEZE v7.41+, AH=0Fh/SI=F123h/DI=321Fh) INSTALLATION CHECK (INT 10, HiFont, AX=CCABh) INSTALLATION CHECK (INT 10, HP Vectra EX-BIOS, AX=6F00h) INSTALLATION CHECK (INT 10, M10_SCR.COM v3.5+, AX=1130h/BX=4D4Fh) INSTALLATION CHECK (INT 10, MTRFONTS, AX=6D74h) INSTALLATION CHECK (INT 10, S3 SpeedUp v3.00+, AX=C000h) INSTALLATION CHECK (INT 10, S3VBE/Core2.0 v3.00+, AX=D000h) INSTALLATION CHECK (INT 10, SCROLOCK.COM, AH=50h) INSTALLATION CHECK (INT 10, TSRUNIT v1.10, AX=DAADh/CX=0000h) INSTALLATION CHECK (INT 10, UNCHAIN, AX=CBFFh) INSTALLATION CHECK (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./AI (Audio Interface), AX=4F13h/BX=0000h) INSTALLATION CHECK (INT 10, VHRBIOS.SYS, AH=F0h) INSTALLATION CHECK (INT 10, VIDEO, ATI EGAEnhanced Graphics Adapter(Enhanced Graphics Adapter) IBMInternational Busiuness Machines's second color video board for the IBMInternational Busiuness Machines PCIBM PC family, capable of a maximum resolution of 640x350 pixels in 16 simultaneous colors of a total of 64 possible colors./VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers. Wonder Super Switch, AX=5555h) INSTALLATION CHECK (INT 10, VIDEO, Compaq ADAPT.COM, AX=BFA0h/BX=ADADh) INSTALLATION CHECK (INT 10, VIDEO, Video7 VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers.,VEGA VGAVideo Graphics Array(Video Graphics Array) The video adapter introduced with the IBMInternational Busiuness Machines PS/2IBM PS/2, any model series of computers., AX=6F00h/BX=0000h) INSTALLATION CHECK (INT 11, Blank-It Screen Blanker, AX=0225h/BX=6900h) INSTALLATION CHECK (INT 11, BNU FOSSIL(Fido/Opus/Seadog Standard Interface Layer) A standardized API for performing serial I/O, originally used by the Fido and Opus bulletin- board software and Seadog bulletin-board mailer, but now in wider use., AH=BCh/DX=1954h) INSTALLATION CHECK (INT 12, KEYBUI v2.0+, CX=1806h) INSTALLATION CHECK (INT 12, PARKER v2.0+, CX=1807h) INSTALLATION CHECK (INT 13, EZ-Drive, AH=FFh) INSTALLATION CHECK (INT 13, FAST! v4.02+, AX=8006h/CX=6572h/DX=1970h) INSTALLATION CHECK (INT 13, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911./MS INT 13 Extensions, AH=41h/BX=55AAh) INSTALLATION CHECK (INT 13, PU_1700.COM, AH=18h/CX=5055h/DL=00h) INSTALLATION CHECK (INT 13, ScanBoot, AX=5342h/CX=0001h/DX=0000h) INSTALLATION CHECK (INT 13, SecureDrive, DL=F0h) INSTALLATION CHECK (INT 13, SWBIOS, AH=F9h) INSTALLATION CHECK (INT 14, 3com BAPI SERIAL I/O, AX=AF00h/BX=AAAAh) INSTALLATION CHECK (INT 14, ARTICOM, AX=8000h) INSTALLATION CHECK (INT 14, ASAP v1.0, AX=F0F1h/DX=0000h) INSTALLATION CHECK (INT 14, ComShare, AH=36h) INSTALLATION CHECK (INT 14, Connection Manager, AH=6Fh/BX=FFFFh) INSTALLATION CHECK (INT 14, COURIERS.COM, AH=80h) INSTALLATION CHECK (INT 14, DimVGA v2.0+, AX=AA01h) INSTALLATION CHECK (INT 14, I1541, AX=4000h) INSTALLATION CHECK (INT 14, IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911./Yale EBIOS SERIAL I/O, AX=F4FFh) INSTALLATION CHECK (INT 14, MBBIOS, AH=04h) INSTALLATION CHECK (INT 14, Microsoft Systems Journal TSRCOMM INT14, AX=0400h) INSTALLATION CHECK (INT 14, MX5 Extended 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., AX=E006h/BX=0000h) INSTALLATION CHECK (INT 14, NEWCOM, AX=7000h) INSTALLATION CHECK (INT 15, Advanced Power Management v1.0+, AX=5300h) INSTALLATION CHECK (INT 15, AMIGATSR, AH=84h/DX=0002h) INSTALLATION CHECK (INT 15, DESQview, QEXT.SYS, AX=11DEh) INSTALLATION CHECK (INT 15, DESQview/X, DVDOS4GX.DVR, AX=BFDEh/BX=0000h) INSTALLATION CHECK (INT 15, HP 95LX/100LX/200LX, AX=4DD4h) INSTALLATION CHECK (INT 15, HP OmniShare, STANDBY.COM, AX=BA20h) INSTALLATION CHECK (INT 15, Intel System Management Bus, AX=53B0h/BH=01h/BL=72h/CX=6164h) INSTALLATION CHECK (INT 15, MULTIJOY, AH=84h/DX=0002h) INSTALLATION CHECK (INT 15, Object Kernel for DOS, AX=3000h)