RBIL61 - HARD DISK

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 0Eh - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PS/2IBM PS/2, any model - DIAGNOSTIC STATUS BYTE {#idx168116}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 12h - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. - HARD DISK DATA {#idx168329}{#idx168337}{#idx168341}{#idx168344}{#idx168347}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 13h - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. Hi-Flex BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - ADVANCED SETUP OPTIONS {#idx168374}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 19h - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. - FIRST EXTENDED HARD DISK DRIVE TYPE {#idx168470}{#idx168482}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 1Ah - SECOND EXTENDED HARD DISK DRIVE TYPE {#idx168492}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 1Bh - MCA - SLOT 1 ADAPTER CARD ID {#idx168496}{#idx168501}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 1Ch - MCA - SLOT 1 ADAPTER CARD ID {#idx168518}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 1Dh - MCA - SLOT 2 ADAPTER CARD ID {#idx168534}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 1Eh - MCA - SLOT 2 ADAPTER CARD ID {#idx168569}{#idx168577}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 1Fh - MCA - SLOT 3 ADAPTER CARD ID {#idx168586}{#idx168588}{#idx168595}{#idx168601}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 20h - MCA - SLOT 3 ADAPTER CARD ID {#idx168606}{#idx168608}{#idx168615}{#idx168617}{#idx168622}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 21h - MCA - Programmable Option Select configuration byte 2 {#idx168631}{#idx168634}{#idx168639}{#idx168644}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 22h - MCA - Programmable Option Select configuration byte 3 {#idx168654}{#idx168657}{#idx168662}{#idx168666}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 23h - MCA - Programmable Option Select configuration byte 4 {#idx168676}{#idx168679}{#idx168695}{#idx168700}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 24h - MCA - Programmable Option Select configuration byte 5 {#idx168710}{#idx168714}{#idx168719}{#idx168724}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 25h - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. - Second Hard Disk user defined: # of Cylinders, High Byte {#idx168730}{#idx168733}{#idx168738}{#idx168743}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 26h - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. - Second Hard Disk user defined: Number of Heads {#idx168757}{#idx168759}{#idx168766}{#idx168771}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 27h - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. - Second Hard Disk user defined: WPC-low {#idx168777}{#idx168781}{#idx168787}{#idx168792}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 28h - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. - Second Hard Disk user defined: WPC-high {#idx168799}{#idx168803}{#idx168811}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 29h - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. - Second Hard Disk user defined: Control Byte {#idx168819}{#idx168821}{#idx168827}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 2Ah - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. - Second Hard Disk user defined: Landing Zone, Low Byte {#idx168844}{#idx168847}{#idx168856}

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. - Second Hard Disk user defined: Landing Zone, High Byte {#idx168859}{#idx168876}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 2Ch - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. - Second Hard Disk user defined: # of Sectors per track {#idx168879}{#idx168913}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 2Dh - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. Hi-Flex BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - CONFIGURATION OPTIONS {#idx168945}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 35h - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. - EXTENDED MEMORY >16M (high byte) {#idx169062}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 36h - PHOENIX - Second user defined hard disk (type 48) Cylinders MSB {#idx169076}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 37h - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. PS/2IBM PS/2, any model - DATE CENTURY BYTE {#idx169118}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 38h - PHOENIX - Second user defined hard disk (type 48) Write Precomp. LSB {#idx169146}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 39h - PHOENIX - Second user defined hard disk (type 48) Write Precomp. MSB {#idx169170}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 3Ah - PHOENIX - Second user defined hard disk (type 48) Parking Zone LSB {#idx169181}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 3Bh - PHOENIX - Second user defined hard disk (type 48) Parking Zone MSB {#idx169192}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 3Ch - PHOENIX - Second user defined hard disk (type 48) Sectors per track {#idx169214}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 65h - AWARD - POWER MANAGEMENT - IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. activity events #2 {#idx169845}

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 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 {#idx169895}

CMOS(Complementary Metal-Oxide-Semiconductor) A type of integrated circuit design known for its low power consumption. 71h-78h - 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 {#idx169904}

INT 0A - IRQ2 - LPT2 (PCIBM PC), VERTICAL RETRACE INTERRUPT (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.) {callout or callback} {#idx844}{#idx851}{#idx861}

INT 0D - IRQ5 - FIXED DISK (PCIBM PC,XTIBM PC XT), LPT2 (ATIBM PC AT), reserved (PS/2IBM PS/2, any model) {callout or callback} {#idx1064}{#idx1071}

INT 12 - PARKER v2.0+ - INSTALLATION CHECK {#idx7802}

INT 13 - Bootable CD-ROM - INITIATE DISK EMULATION {#idx10686}{#idx10707}

INT 13 - DISK - GET DISK TYPE (XTIBM PC XT 1986/1/10 or later,XT286IBM PC XT/286,ATIBM PC AT,PSIBM PS/2, any model) {#idx9042}{#idx9047}{#idx9051}{#idx9056}{#idx9076}

INT 13 - DISK - GET DRIVE PARAMETERS (PCIBM PC,XT286IBM PC XT/286,CONVIBM Convertible,PSIBM PS/2, any model,ESDI(Enhanced Small Device Interface) A disk drive interface type which was briefly popular before IDE took over. An ESDI drive can transfer data between the drive and controller at 10, 15, or 20 megabits per second, which is faster than an MFM or RLL controller but slower than what is possible with an IDE or SCSI drive. See also IDE.,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.) {#idx8513}{#idx8542}{#idx8546}{#idx8555}{#idx8566}{#idx8577}{#idx8643}

INT 13 - DISK - GET STATUS OF LAST OPERATION {#idx7922}{#idx7946}{#idx7952}{#idx7957}{#idx7958}{#idx7967}{#idx7969}{#idx7971}{#idx7974}{#idx7981}{#idx7995}{#idx7997}{#idx8001}{#idx8002}

INT 13 - DISK - READ SECTOR(S) INTO MEMORY {#idx8010}{#idx8012}{#idx8059}

INT 13 - DISK - RESET DISK SYSTEM {#idx7893}

INT 13 - DISK - VERIFY DISK SECTOR(S) {#idx8165}{#idx8167}

INT 13 - DISK - WRITE DISK SECTOR(S) {#idx8105}{#idx8107}

INT 13 - EZ-Drive - INSTALLATION CHECK {#idx11582}

INT 13 - FLOPPY DISK - DETECT DISK CHANGE (XTIBM PC XT 1986/1/10 or later,XT286IBM PC XT/286,ATIBM PC AT,PSIBM PS/2, any model) {#idx9127}{#idx9138}

INT 13 - Future Domain SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - SEND 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. MODE SELECT COMMAND {#idx8301}{#idx8303}

INT 13 - Future Domain SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. CONTROLLER - GET POINTER TO FREE CONTROLLER RAM(Random Access Memory) See also DRAM, SRAM. {#idx9430}

INT 13 - HARD DISK - CHECK IF DRIVE READY {#idx8880}{#idx8883}

INT 13 - HARD DISK - CONTROLLER INTERNAL DIAGNOSTIC {#idx9013}

INT 13 - HARD DISK - CONTROLLER RAM(Random Access Memory) See also DRAM, SRAM. DIAGNOSTIC (XTIBM PC XT,PSIBM PS/2, any model) {#idx8906}{#idx8918}

INT 13 - HARD DISK - DRIVE DIAGNOSTIC (XTIBM PC XT,PSIBM PS/2, any model) {#idx8954}{#idx8966}{#idx8971}{#idx8972}

INT 13 - HARD DISK - INITIALIZE CONTROLLER WITH DRIVE PARAMETERS (ATIBM PC AT,PSIBM PS/2, any model) {#idx8671}{#idx8705}{#idx8707}

INT 13 - HARD DISK - PSIBM PS/2, any model/1 and newer PS/2IBM PS/2, any model - IDENTIFY DRIVE {#idx10024}{#idx10051}

INT 13 - HARD DISK - PSIBM PS/2, any model/1 and newer PS/2IBM PS/2, any model - READ MULTIPLE DISK SECTORS {#idx9736}{#idx9766}

INT 13 - HARD DISK - PSIBM PS/2, any model/1 and newer PS/2IBM PS/2, any model - SET CONTROLLER FEATURES REGISTER {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.} {#idx9893}{#idx9943}

INT 13 - HARD DISK - PSIBM PS/2, any model/1 and newer PS/2IBM PS/2, any model - SET MULTIPLE MODE {#idx9961}

INT 13 - HARD DISK - PSIBM PS/2, any model/1 and newer PS/2IBM PS/2, any model - WRITE MULTIPLE DISK SECTORS {#idx9819}{#idx9851}

INT 13 - HARD DISK - READ LONG SECTOR(S) (ATIBM PC AT and later) {#idx8708}

INT 13 - HARD DISK - READ SECTOR BUFFER (XTIBM PC XT only) {#idx8823}{#idx8832}

INT 13 - HARD DISK - RECALIBRATE DRIVE {#idx8889}{#idx8893}{#idx8901}

INT 13 - HARD DISK - RESET HARD DISKS {#idx8790}{#idx8795}{#idx8801}

INT 13 - HARD DISK - SEEK TO CYLINDER {#idx8779}{#idx8786}

INT 13 - HARD DISK - WRITE LONG SECTOR(S) (ATIBM PC AT and later) {#idx8749}

INT 13 - HARD DISK - WRITE SECTOR BUFFER (XTIBM PC XT only) {#idx8847}{#idx8857}

INT 13 - Priam HARD DISK CONTROLLER??? {#idx11394}{#idx11401}

INT 13 - Seagate - ??? - PARK HEADS {#idx10890}

INT 13 - Seagate - ??? - RETURN IDENTIFICATION {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx10870}

INT 13 - Seagate - ??? {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.} {#idx10924}

INT 13 - Seagate - PARK HEADS??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx10933}

INT 13 - SyQuest - DOOR LATCH/DOOR BUTTON DETECT {#idx9681}

INT 13 - SyQuest - READ DRIVE PARAMATERS (for DOS 5+) {#idx8980}

INT 15 - OS HOOK - DEVICE BUSY (ATIBM PC AT,PSIBM PS/2, any model) {#idx21098}

INT 15 - SYSTEM - BUILD ABIOS(Advanced BIOS) The IBMInternational Busiuness Machines XTIBM PC XT/286 and PS/2IBM PS/2, any model models with 80286 or higher processors contain two separate BIOSes. The ABIOS is a protected-mode BIOS which is used by OS/2. For machines without an ABIOS, such as the IBMInternational Busiuness Machines ATIBM PC AT, OS/2 loads the equivalent of the ABIOS from disk. see also CBIOS INITIALIZATION TABLE (PSIBM PS/2, any model) {#idx15733}

INT 15 - SYSTEM - GET CONFIGURATION (XTIBM PC XT >1986/1/10,ATIBM PC AT mdl 3x9,CONVIBM Convertible,XT286IBM PC XT/286,PSIBM PS/2, any model) {#idx21703}

INT 15 - Tandy??? - ??? {#idx24833}

INT 18 - DISKLESS BOOT HOOK (START CASSETTE 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.) {#idx29907}

INT 19 - SYSTEM - BOOTSTRAP LOADER {#idx30115}{#idx30120}{#idx30157}{#idx30189}{#idx30369}

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) {#idx34265}

INT 1E - SYSTEM DATA - DISKETTE PARAMETERS {#idx39294}

INT 21 - Brian Antoine Seagate ST-01 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..SYS - IOCTL - EXECUTE COMMANDS {#idx48479}

INT 21 - DOS 1+ - GET ALLOCATION INFORMATION FOR DEFAULT DRIVE {#idx42210}

INT 21 - DOS 2+ - GET DOS VERSION {#idx44158}{#idx44204}

INT 21 - DOS 2+ internal - "SYSVARS" - GET LIST OF LISTS {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx51605}

INT 21 - DOS 3.2+ - IOCTL - GENERIC BLOCK DEVICE REQUEST {#idx49125}

INT 21 - FBOOT v2.13 - PERFORM FAST BOOTSTRAP {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.} {#idx50652}

INT 26 - DOS 1+ - ABSOLUTE DISK WRITE (except partitions > 32M) {#idx72423}

INT 26 - DOS 3.31+ - ABSOLUTE DISK WRITE (32M-2047M hard-disk partition) {#idx72481}

INT 2F - AUTOPARK.COM - INSTALLATION CHECK {#idx95344}

INT 2F - DOS 3.2+ - SET DISK INTERRUPT HANDLER {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.} {#idx78458}

INT 2F - DOS 4.0+ DRIVER.SYS support - GET DRIVE DATA TABLE LIST {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx75771}

INT 2F - HyperDisk v4.50+ - GET CURRENT CACHE STATE {#idx94591}

INT 2F - MS Windows - GET DEVICE API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. ENTRY POINT {#idx79825}{#idx79833}

INT 2F - MS Windows 3.1 - "BLOCKDEV" VIRTUAL HARD DISK DEVICE API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {callout or callback} {#idx79336}

INT 40 - DISKETTE - ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. 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. DISKETTE HANDLER RELOCATED BY HARD DISK 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. {#idx99889}

INT 41 - SYSTEM DATA - HARD DISK 0 PARAMETER TABLE ADDRESS [NOT A VECTOR!] {#idx99932}{#idx99939}{#idx99970}

INT 46 - SYSTEM DATA - HARD DISK 1 DRIVE PARAMETER TABLE ADDRESS [NOT A VECTOR!] {#idx100483}{#idx100496}

INT 4B - Tandy 2000 - EQUIPMENT DETERMINATION {#idx101422}

INT 4D - TI Professional PCIBM PC - DISK - GET RETRY STATUS OF LAST OPERATION {#idx101855}

INT 4D - TI Professional PCIBM PC - DISK - GET STATUS OF LAST OPERATION {#idx101732}

INT 4D - TI Professional PCIBM PC - DISK - READ SECTOR(S) INTO MEMORY {#idx101756}{#idx101758}

INT 4D - TI Professional PCIBM PC - DISK - RESET DISK SYSTEM {#idx101709}

INT 4D - TI Professional PCIBM PC - DISK - VERIFY DISK SECTOR CRC(S) {#idx101803}{#idx101805}

INT 4D - TI Professional PCIBM PC - DISK - VERIFY DISK SECTOR(S) {#idx101831}{#idx101833}

INT 4D - TI Professional PCIBM PC - DISK - WRITE SECTOR(S) FROM MEMORY {#idx101780}{#idx101782}

INT 4F - TI Professional PCIBM PC - SYSTEM CONFIGURATION CALL {#idx101997}

INT 60 - Adaptec and OMTI controllers - DRIVE 0 DATA {#idx103820}{#idx103831}

INT 60 - TI Professional PCIBM PC - SYSTEM ROM(Read-Only Memory) A memory for program storage which may not be changed by the program as it runs. DATA AREA POINTER (NOT A VECTOR!) {#idx103929}

INT 61 - Adaptec and OMTI controllers - DRIVE 0 DATA {#idx107151}

INT 62 - Adaptec and OMTI controllers - DRIVE 0 DATA {#idx110401}

INT 63 - Adaptec and OMTI controllers - DRIVE 0 DATA {#idx113986}

INT 64 - Adaptec controllers - DRIVE 1 DATA {#idx114412}

INT 65 - Adaptec controllers - DRIVE 1 DATA {#idx114624}

INT 66 - Adaptec controllers - DRIVE 1 DATA {#idx114940}

INT 67 - Adaptec controllers - DRIVE 1 DATA {#idx115575}

INT 76 - IRQ14 - HARD DISK CONTROLLER OPERATION COMPLETE (ATIBM PC AT and later) {callout or callback} {#idx121847}{#idx121872}

INT C0 - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - DRIVE 0 DATA {#idx128228}{#idx128230}

INT C1 - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - DRIVE 0 DATA {#idx128253}{#idx128255}

INT C2 - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - DRIVE 0 DATA {#idx128277}

INT C3 - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - DRIVE 0 DATA {#idx128300}

INT C4 - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - DRIVE 1 DATA {#idx128323}{#idx128325}

INT C5 - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - DRIVE 1 DATA {#idx128345}{#idx128347}

INT C6 - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - DRIVE 1 DATA {#idx128379}{#idx128381}

INT C7 - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - DRIVE 1 DATA {#idx128410}{#idx128412}

MEM 0000h:031Dh - 1989 AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. 386sx 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. - USER-DEFINABLE TYPE 47 HARD DISK PARMS {#idx160605}

MEM 0000h:032Dh - 1989 AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. 386sx 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. - USER-DEFINABLE TYPE 48 HARD DISK PARMS {#idx160614}

MEM 0040h:000Eh - SEGMENT OF EXTENDED 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. DATA SEGMENT (PS/2IBM PS/2, any model, newer BIOSes) {#idx160875}{#idx160877}{#idx160882}{#idx160885}{#idx160890}{#idx160897}

MEM 0040h:0042h - DISK - FLOPPY/HARD DRIVE STATUS/COMMAND BYTES {#idx161272}{#idx161335}

MEM 0040h:0076h - FIXED DISK - CONTROL BYTE {IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. documented only for XTIBM PC XT} {#idx161706}

MEM 0040h:0076h - XTIBM PC XT: hard disk controller's I/O address (Western Digital) {#idx161717}

MEM 0040h:008Eh - FIXED DISK - INTERRUPT CONTROL [not XTIBM PC XT] {#idx162013}

MEM 0040h:0092h - Olivetti Quaderno - HARD DISK POWERDOWN COUNTDOWN CLOCK TICKS {#idx162071}{#idx162076}

MEM 0040h:00B0h - Phoenix 386 BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. 1.10 10a - LOOP COUNT FOR HARD DISK TIMEOUT {#idx162347}{#idx162367}{#idx162373}

MEM 0040h:00C0h - 1988 Phoenix 386 BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. 1.10 03 - PARAMS FOR TYPE 49 HARD DISK {#idx162421}{#idx162428}

MEM 0040h:00E0h - AMIAmerican Megatrends, Inc.(American Megatrends, Inc.) A hardware, software and firmware company founded in 1985. BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. v1.00.12.AX1T - EPP - REAL-TIME DEVICE COUNT {#idx162681}{#idx162684}

MEM C800h:0000h - HARD DISK 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. {#idx163798}

MEM F000h:2DC5h - IBMInternational Busiuness MachinesInternational Busiuness Machines) A hardware, software and other service technology company founded in 1911. ATIBM PC AT SIGNATURE {#idx163883}

MEM F000h:FFE0h - COMPAQ 386 MACHINES {#idx163960}

PORTIBM PC Portable (uses same BIOS as XT) 0000-001F - DMAsee Direct Memory Access 1 - FIRST DIRECT MEMORY ACCESS CONTROLLER (8237) {#idx132964}

PORTIBM PC Portable (uses same BIOS as XT) 0022-0024 - CHIPSET FROM PICO POWER, UMC or PCChips {#idx137167}{#idx137221}{#idx137223}{#idx137229}

PORTIBM PC Portable (uses same BIOS as XT) 0024-0026 - PicoPower Vesuvius - V3-LS {#idx137512}

PORTIBM PC Portable (uses same BIOS as XT) 0024-0027 - PicoPower Vesuvius - V1-LS {#idx138328}{#idx138331}{#idx138365}{#idx138403}{#idx138601}{#idx138603}

PORTIBM PC Portable (uses same BIOS as XT) 0080 - MANUFACTURING DIAGNOSTICS PORTIBM PC Portable (uses same BIOS as XT) {#idx140556}{#idx140651}

PORTIBM PC Portable (uses same BIOS as XT) 00A8-00A9 - Via VT82C496G "Pluto" - CONFIGURATION REGISTERS {#idx141481}{#idx141492}{#idx141649}

PORTIBM PC Portable (uses same BIOS as XT) 01F0-01F7 - HDC 1 (1st Fixed Disk Controller) (ISA(Industry-Standard Architecture) The expansion bus used by the IBMInternational Busiuness Machines PCIBM PC/ATIBM PC AT. See also EISA., EISA(Enhanced Industry-Standard Architecture) A 32-bit superset of the IBMInternational Busiuness Machines ATIBM PC AT's expansion bus (which is now known as the ISA or Industry-Standard Architecture bus).) {#idx142896}{#idx142910}{#idx142916}{#idx142929}

PORTIBM PC Portable (uses same BIOS as XT) 0320-0323 - XTIBM PC XT HDC 1 (Hard Disk Controller) {#idx145366}{#idx145388}

PORTIBM PC Portable (uses same BIOS as XT) 0324-0327 - XTIBM PC XT HDC 2 (Hard Disk Controller) {#idx145402}

PORTIBM PC Portable (uses same BIOS as XT) 0328-032B - XTIBM PC XT HDC 3 (Hard Disk Controller) {#idx145413}

PORTIBM PC Portable (uses same BIOS as XT) 032C-032F - XTIBM PC XT HDC 4 (Hard Disk Controller) {#idx145497}

PORTIBM PC Portable (uses same BIOS as XT) 035A-035B - Adaptec AH1520 jumper settings {#idx146639}

PORTIBM PC Portable (uses same BIOS as XT) 03F0-03F7 - FDC 1 (1st Floppy Disk Controller) second FDC at 0370 {#idx151594}