Guys, mostly cstkl1, I have run all test dat u mention for I45 mobo...All pass...Also run orthos 9Hours stable, but when gaming for sometimes my game crash...2 of the game that I play rite now is LOTR : RotWK and COH...What probably the reason that contribute to this symptom? I OC my E8500 to 4GHz @ 533FSB and Ram @ 1066MHz...