Quote Originally Posted by CryptiK View Post
He is running a quad so that takes more vNB to run at a given FSB than a dual core. It's a moderate bump up from where he is at so he can eliminate the MCH as his restriction.

It may also be his CPU taking more than the average cpu of that type, so bumping up both can help eliminate things as the cause of the instability.
dunno, I've had about 6 different quads with this board and never needed above 1.28v for 500+fsb, and I am running 4x1gb dimms as well.