Int 10/AX=7F00h/BX=4001h

AX = 7F00h
BX = 4001h

Return:
AX = 007Fh if supported
CX = current linear address base (high word)

See Also: AX=7F00h/BX=4000h - AX=7F00h/BX=4002h

Category: Video - Int 10h - D