RBIL61 - MEM 0040h:008Eh

RBIL61 - MEM 0040h:008Eh

MEM 0040h:008Ch - FIXED DISK - CONTROLLER STATUS [not XTIBM PC XT] {#idx162213}

MEM 0040h:008Dh - FIXED DISK - CONTROLLER ERROR STATUS [not XTIBM PC XT] {#idx162224}

MEM 0040h:008Eh - FIXED DISK - INTERRUPT CONTROL [not XTIBM PC XT] {#idx162228}

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.} {#idx162255}