Category: no classification

INT 10 - ATI Mach64 BIOS - ???

	AX = A004h
	BX = video mode??? (0000-00FFh)
	DX = ??? (sent to some port [66ECh???] one bit at a time, high to low)
	???
Return: AH = status
	    00h successful
	    01h failed
	???
SeeAlso: AX=A000h,AX=A002h