Quote Originally Posted by //GobliN// View Post
most people say is it is not easy to pass 500fsb wall on quads.and quads really need high Nb voltage for over 500fsb, while I was tryin for 500fsb I was only able to boot when I set NB voltage to 1.44. I'd better keep on trying.
Are High FSB i.e. 500 on quads really need high vNB?

Ans: Yes for X38/X48 and NO for P45.

I order to get my Q9650 Stable I need nearly 1.7v vNB
compare with dual cores, E8500, need 1.65v vNB to Pass 10 loop IBT @ 600FSB.