Int 10 Fn 5F02 - Chips & Technologies Extended BIOS - Auto Emulation Con [V] AX = 5F02h BL = new state of autmatic emulation (00h enabled, 01h disabled) Return: AL = 5Fh if function supported AH = status 00h unsuccessful 01h successful See Also: AX=5F01h,AX=5F03h