Quote Originally Posted by Ace-a-Rue
what kind of video card?...PCIe or PCI and what model.

also, what are your voltage settings along with what model CPU, and what FSB are you running at?
PCIe eVGA 7900GT @ 1.5v 710/850
CPU- E6400 3.6 GHz on air @ 1.475v I think (real voltage is 1.46v) FSB is 450 and runs like a dream otherwise!