Int 10/AH=12h/BL=AFh

AH = 12h
BL = AFh
AL = option
bits 7-1:
Reserved
bit 0:
640x480 high refresh rate
=0 72 Hz
=1 75 Hz

Return:
Nothing

See Also: AH=12h/BL=9Ah - AH=12h/BL=A3h - AH=12h/BL=A4h - Category: Video - Int 10h - C