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Pentium D 930 Voltage/Temp Limits

post #1 of 5
Thread Starter 
I am overclocking my Pentium D 930, and as such, I would like to know the voltage range that is acceptable for the processor. On newegg, it lists the processor as running between 1.25V-1.4V, so should I not exceed the 1.4V when I overclock? So far I have a stable overclock of 4.13GHz with a Vcore of 1.3V (tested with two instances of Prime95 running for a while with no errors).

P.S. My load temperature is only 45 deg C at this speed!!!
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post #2 of 5
It's a myth that you shouldn't go above 10% over the highest Vc recommended which means 1.40Vc + 10% = 1.54Vc but quite frankly, I never go above 1.48Vc, I also have a Pentium D and use 1.45max but that's because I'm on air, if I had a WC kit, maybe I use the full 1.54V but with this voltage temps tend to get a bit too high for on air cooling.
post #3 of 5
Thread Starter 
OK, thank you for the help, as always!

Just for clarification, do you mean you don't let the BIOS voltage get above those levels or the actual voltage after the vdroop has taken effect? Also, how high did you get your PD 930, Nasgul?
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post #4 of 5
Thread Starter 
I have the Presler running stable at 4.35GHz, load temp about 52 deg C. I believe I read somewhere to keep Preslers below 60 deg C. Is this correct?
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post #5 of 5
From BIOS, do not let it go above the 10%, with vdroop, depends on how bad it is but I wouldn't look at that.

I don't have a 930 945 and go it up to 4.51ghz but using a 1.45v and 2.2v for RAM on a 4:5 ratio: http://i6.photobucket.com/albums/y21...l/PD945OCd.png

For load temps? I think it varies in the Vc I guess because the higher the Vc the temps tend to get a little hotter, so from 3.0ghz to 4.35ghz with a 52c load temps? I'd say it's pretty good. Mine are only 43c, but you have to remember your setting are a lot higher than mine.

Now, I like to keep my CPUs below 45c under full load and that usually means not overclocking the living nuts out of them nor using sky-high voltage, so 60c sounds a little too hot for me, heck IMO, I think 53c should be the highest anyone should ever allow but..........different folks different strokes.

I think you're fine though, just I wouldn't push my luck if I were you.
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