At 9x370 (RAM 1:1 at 740mhz) I am stable for 10 hours prime95. At 9x375 (RAM auto at 900mhz) I am unstable. Do you think it was because of the RAM not being 1:1 and going too high, and I should try again to go above 370 fsb?

Is 3.33GHz a pretty bad oc?