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Copyright 1991 David Jurgens |
INT 13,17 - Set DASD Type for Format (XT BIOS from 1/10/86 & newer)
AH = 17h
AL = 00 no disk
= 01 320k/360k diskette in 320k/360k drive
= 02 320k/360k diskette in 1.2Mb drive
= 03 1.2Mb diskette in 1.2Mb drive
= 04 720k diskette in 720k drive (BIOS 6/10/85 & newer)
720K diskette in 1.44Mb drive (PS/2)
1.44Mb diskette in 1.44Mb drive (PS/2)
DL = drive number (0=A:, 1=2nd floppy, 80h=drive 0, 81h=drive 1)
returns nothing
- only the disk number is checked for validity
- tells BIOS format routine about the disk type
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Esc or Alt-X to exit |
int 13,17 |
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