I am having trouble oc my 2.4C with my IS7 w/ stock HS/Fan. I have 1 stick of Corsair 3200. (Other stick is bad which I will RMA). This is my first oc. I can't seem to get over 250FSB. I set it to 5:4 and fixed the ratio thing. The ram is at 2.5,3,3,7. I also tried 3,3,3,7. I upped the voltage...