Int 2F/AX=3912h/BL=03h

AX = 3912h
BL = 03h
CL = new mode (00h fast, FFh BIOS)

Return:
AL = old compatibility mode
SI,DI,DS,ES preserved

See Also: AX=3900h - AX=3912h/BL=04h

Category: Video - Int 2Fh - K