Hello,
Award BIOS dated 1999 for Intel i810, and the original IBM PC/AT BIOS don't seem to pass anything in DL on Int 19h. How did I verify it? For those who can't guess, let this be my little secret ;-G
(Table 00653)
Values Bootstrap loader is called with (IBM BIOS):
CS:IP = 0000h:7C00h
DH = access
bits 7-6,4-0: don't care
bit 5: =0 device supported by INT 13
DL = boot drive
00h first floppy
80h first hard diskThe above excerpt from the RBIL also proves that not all BIOSes pass boot drive in DL on Int 19h, and even if they do (e.g. IBM BIOS), they pass *only* 0 or 80h. Period. (And end of FF kludge ;-)
Regards, Lucho
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