RBIL61 - Cascade

RBIL61 - Cascade

CALL F000h:FF82h - PHOENIX CASCADE 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. A20(Address line 20) The 80286 and higher CPUs allow addresses in real mode to extend slightly beyond the one megabyte mark, which causes an incompatibility with some older programs which expect such addresses to wrap back to the beginning of the address space. For complete compatibility with the 8088, newer machines thus contain circuitry which permits the twenty-first address line (A20) to be disabled. The CPU then effectively has only twenty address lines in real mode, just as the 8088 does, and addresses which would extend beyond the one megabyte mark wrap to the beginning of the address space. See also High Memory Area, Real Mode. CONTROL ENTRY {#idx159165}

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) {#idx21697}

INT 1A - PCI BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. v2.0c+ - READ CONFIGURATION DWORDDoubleword; four bytes. Commonly used to hold a 32-bit segment:offset or selector:offset address. (Intel devices) {#idx36156}

INT 21 - VIRUS - "516"/"Leapfrog" - INSTALLATION CHECK {#idx52016}

INT 21 - VIRUS - "Cascade" - INSTALLATION CHECK {#idx50881}

INT 21 - VIRUS - "USSR-707", "Justice", "Europe 92" - INSTALLATION CHECK {#idx50877}

INT 42 - Western Digital WD1002 SuperBIOS - INT 40 CASCADE {#idx100232}{#idx100240}

INT 47 - Western Digital WD1002-27X SuperBIOS - INT 40 CASCADE {#idx100556}{#idx100565}

Opcodes List {#idx175397}

PORTIBM PC Portable (uses same BIOS as XT) 0000-001F - DMAsee Direct Memory Access 1 - FIRST DIRECT MEMORY ACCESS CONTROLLER (8237) {#idx132973}{#idx133004}

PORTIBM PC Portable (uses same BIOS as XT) 0020-003F - PIC 1 - PROGRAMMABLE INTERRUPT CONTROLLER (8259A) {#idx133104}

PORTIBM PC Portable (uses same BIOS as XT) 007C-007D - HP-Vectra - PIC 3 - PROGRAMMABLE INTERRUPT CONTROLLER (8259) {#idx140407}

PORTIBM PC Portable (uses same BIOS as XT) 00A0-00AF - PIC 2 - PROGRAMMABLE INTERRUPT CONTROLLER (8259A) {#idx141232}

PORTIBM PC Portable (uses same BIOS as XT) 00C0-00DF - DMAsee Direct Memory Access 2 - SECOND DIRECT MEMORY ACCESS CONTROLLER (8237) {#idx141981}

PORTIBM PC Portable (uses same BIOS as XT) 0330-0333 - Adaptec 154xB/154xC SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. adapter (default address) {#idx145591}