Int 13/AH=1Fh

SyQuest - DOOR LATCH/DOOR BUTTON DETECT

AH = 1Fh
AL = subfunction
00h allow media removal
01h prevent media removal (lock door)
DL = drive ID (bit 7 set for hard disks)

Return:
CF clear if successful
AH = 00h
CF set on error
AH = error code
00h successful
01h invalid function request
80h timeout
DDh media change requested

See Also: AH=12h"SyQuest" - AH=13h"SyQuest" - AH=59h"SyQuest"

Category: Disk I/O Enhancements - Int 13h - S

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