Tried them settings to,again it fails strait away in prime95 i think i got a bad chip just to scared to put more than 1.5vcore to achieve 4ghz.I guess i got a bumb chip and will have to live with it after paying mega bucks for it and cant even get 4ghz on it well pxxxxed off.Or is it i got a bad m/b that does not suply the right voltage .