Int 13/AH=1Fh

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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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