Int 6F/AX=0400h

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HP Vectra EX-BIOS - F_IO_CTRL SF_LOCK - RESERVE SUB-ADDRESSES

AX = 0400h
BP = driver ID (see #03741)
DH,DL = major,minor address (optional)

Return:
AH = status (see #03744) BP,DS destroyed

Desc: Reserve specified sub-addresses on an already-allocated driver for exclusive access

Note: This function is documented as present but unsupported in the drivers V_LTABLET, V_LPOINTER, and V_LTOUCH

See Also: AX=0200h"HP Vectra" - AX=0402h"SF_UNLOCK"

Category: Vendor-specific BIOS Extensions - Int 6Fh - H

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