using a e2160 SLA3H or something. lol forgot. cant oc higher than 3.15ghz. suspecting ram limiting me. and vista giving more headaches. will do more oc-ing after installing xp. no xp cd . the best fsb:ram ratio is 1:1 ah? sorry noob question. lol. can get 1:1 ratio but SPD at 2.0 (whatever that means), 5-6-6-16, 668mhz ram. 3ghz oc. if 3.15ghz oc ram running at 5-5-5-15 forgot what ratio, either 5:6 or 3:5. need some sifu to help. but later la. headache with vista. lol.