Int 16/AX=FA05h/DX=5945h

AX = FA05h
DX = 5945h
BL = new value of hotkey disable flag (nonzero to disable hotkey)

Return:
CF clear
DI = 4559h

Note: This function is a NOP under VWATCH, merely returning CF clear/DI=4559h

See Also: AX=FA00h - AX=FA04h