OC setup voltage auto


Jan 4, 2005
I was wondering if letting the CPU voltage at auto is a problem with OCing you rig ? I am stressing my rig right now with the voltage at auto and it doesn't seem to pose a problem for the moment. It's not a huge over clock q9450 from 2.66 to 3.2.
Usualy, people do not recommend keeping settings on Auto for voltages. Auto usually tend to over volt. Higher voltage = higher temps. So try setting the voltages manually. Use the auto setting as a base line to go down or up depending on stability etc.


Apr 19, 2004
Fatcat try the OC with a Voltage of like 1.25 If it succeeds thats awesome...

If the OC fails raise it to 1.3 (well within the safe recommmended zone), if it succeeds awesome.

just try to not go over 1.3625V as that is the Max stock V for a Q9450.
Auto often works, the problem is that it usually raises the voltage much higher than is necessary for a given overclock, increasing heat and reducing processor life. For example, my i7 at 4GHz needs 1.35V to be stable, while on auto, the voltage jumps all the way up to 1.47. If you manually tweak the voltage, you can get a higher stable overclock and run cooler at the same time.

That having been said, as long as the voltage doesn't exceed 1.3625V, and the temps are fine, the auto voltage won't damage your CPU or cause problems. It just isn't ideal.


May 31, 2004
Take a look in CPU-Z and see what the idle and Prime95 voltage is. Also run Core temp and see how hot it gets on Prime95 small FFTs.

Based on that you will know if it's a good idea to lower the Vcore.