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As you can see above, my oc is stable @ 12hours of orthos, but my system will crash when playing a certain video files (not all), sometimes 20 minutes while playing, and sometimes just a few second and then crash. Hell I've played Crysis 3 hours straight and everthing was fine. The prob disappear when i switch to stock setting tho. I'm seeing stars now.. Is this mean that my oc isn't stable enough?

Yo posting here as well with some BIOS details hoping you guys can help improve my overclock.

multiplier: 9
FSB: 333
CPU voltage: 1.385
Other voltages: AUTO
FSB lock to NB: AUTO
RAM: DDR2-667
Timing: 5-5-5-15 (rest at Auto)
Transaction booster: Believe i disabled it or was it a relax 0
Spread spectrum: Disabled
The rest were set at Auto.

Hi guys, just a simple question here, I tried overclocking my E8400 to 3.6Ghz, which is a pretty small amount compared to wha tyou guys have done, should I increase the cpu voltage or anything for that? Because I did not increase any voltage or whatever, just the cpu frequency but it won't boot into windows. It will show the loading bar (vista 64 bit btw) but when the windows logo is supposed to show up and make some music, it doen't. I changed back to 3GHz and it was back to normal. So the question is whether the bios is unstable? (I'm still using the first version, lazy to update) or the voltage too low? Or too hot? Thanks for your help guys.

btw the whole bpoint i wanted to overclockin the first plac eis because my 3dmark06 score got 13k++ like that, with 9800GTX sli, which it hink is quite low. What do you guys think?