Int 15/AH=D4h

Later PS/2s - GET PHYSICAL FIXED DISK DRIVE NUMBER (SELECTABLE BOOT)

AH = D4h
DL = logical fixed disk drive number

Return:
AH = return code (see #00537)
CF set on error
CF clear on success
AL = physical fixed disk drive number


(Table 00537)
Values for return code:
00h    success
01h    specified logical drive number is invalid
80h    function not supported (on PCjr and PC)
86h    function not supported

Category: Bios - Int 15h - L

Interrups Categories Contents