Q9400 overclocking on p5k

AnotherGuy

Senior member
Dec 9, 2003
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I just got this used Q9400 ( a few months old) and started oc-ing it ..

As on my sig setup i am giving it 1.3v vcore in order to reach 3.4ghz Prime95 Stable and still having trouble ( on Air). Do i still have room to raise it to about 1.32v?

I need to know if it is safe to run 24/7 at this voltage or not.

Temps are very cool from idle to playing the games i play... 35-50c ( on Prime it goes to 65c max)

I played with the nb voltage and cpu PLL but no luck so i set em back to Auto...

Everything else is on auto except: vcore 1.3, mem voltage 1.9, mem freq 1:1, Fsb Termination =1.2 pci freq= 100, mem timings 5:5:5:15, Load Line Calibration =Enabled,
cpu and pcie Spectrum=disabled

I donno what else to do with it.... should i just back it down to 3.2 where its a lot more stable at 1.25vcore.... ?