Int 6F/AX=0402h

AX = 0402h
BP = driver ID (see #03741)
DH,DL = major,minor address (optional)

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

Desc: Release specified sub-addresses from exclusive access

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

See Also: AX=0200h"HP Vectra" - AX=0400h"SF_LOCK"