RBIL61 - DISKETTE CONTROLLER

RBIL61 - DISKETTE CONTROLLER

INT 0E - IRQ6 - DISKETTE CONTROLLER {callout or callback} {#idx1131}

MEM 0040h:0042h - DISK - FLOPPY/HARD DRIVE STATUS/COMMAND BYTES {#idx161345}

MEM 0040h:0043h - DISK CONTROLLER STATUS REGISTER 1 {#idx161371}

MEM 0040h:0044h - DISK CONTROLLER STATUS REGISTER 2 {#idx161389}

MEM 0040h:008Fh - DISKETTE CONTROLLER INFORMATION [not XTIBM PC XT] {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.} {#idx162022}{#idx162033}

PORTIBM PC Portable (uses same BIOS as XT) 0080 - MANUFACTURING DIAGNOSTICS PORTIBM PC Portable (uses same BIOS as XT) {#idx140889}

PORTIBM PC Portable (uses same BIOS as XT) 0100-0107 - PS/2IBM PS/2, any model POS (Programmable Option Select) {#idx142276}

PORTIBM PC Portable (uses same BIOS as XT) 0370-0377 - FDC 2 (2nd Floppy Disk Controller) first FDC at 03F0 {#idx146837}{#idx146853}{#idx146869}{#idx146874}{#idx146888}