BIOS Disk Drive Installed Data (Columbia PCs only) [0040:0069](not valid on most clone computers)
Bits Description
---- ------------------------------------------------
0 0 8 inch external floppy drives
1 5-1/4 external floppy drives
1-3 highest drive address which Int 13 will accept
(since the floppy drives are assigned 0-3, subtract 3
to obtain the number of hard disks installed)
4,5 # of hard disks connected to expansion controller
6,7 # of hard disks on motherboard controller
(if bit 6 or 7 = 1, no A: floppy is present and
the maximum number of floppies from Int 11 is 3)
file: /Techref/bios/40/69.htm, 0KB, , updated: 1999/2/20 11:24, local time: 2024/9/1 07:02,
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