//;- blue me - AT&T (try this - i'm not an expert)
	mov $03C8h, %dx
	xor %al, %al
	out %al, %dx
	inc %dx
	mov $0, %al
	out %al, %dx
	mov $0, %al
	out $al, %dx
	mov $63, %al
	out %al, %dx