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Temps look good? Does voltage look good?

post #1 of 9
Thread Starter 
Ok so I am running at 21 multiplier and 1.47v which gets me topped at around 50c on full loaded prime95. The problem I am finding is that the fourth core keeps getting an error, is this a sign that the fourth core can't take the OC or do I need to up the voltage to 1.5v?

Scroll down to most recent post with picture of temps.
Edited by Juganot - 1/18/11 at 1:33pm
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post #2 of 9
Yeah 1.5 is a must! Maybe 1.52 would be better. I have found that one code runs slightly faster than the rest even at the same clock speed as the others so maybe its a bug.
:3
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:3
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post #3 of 9
Thread Starter 
Currently got it blending at 4.2 MHz, 21 multi, 1.52 volts. After around 30 minutes on blend I have loads of 52c. I have attempted to start at 4.5 MHz but I got a BSOD which I am guessing means I have hit my wall which is around 4.2/4.3 MHz(I have not yet tried 4.3).
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post #4 of 9
Thread Starter 
half an hour on prime:


So far it's stable. Do the temps seem good and how are the voltages? will this OC degrade my CPU?
Edited by Juganot - 1/18/11 at 1:34pm
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post #5 of 9
Thread Starter 
Just a third update(sorry for the spam). It seems 4.2ghz is the limit for this CPU() at least by simply changing the multiplier and voltage. I would like a double check on voltages and such by someone who knows about the limits of a PII 955.
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post #6 of 9
Why is your +12v at +7v ?
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post #7 of 9
Quote:
Originally Posted by Juganot View Post
Ok so I am running at 21 multiplier and 1.47v which gets me topped at around 50c on full loaded prime95. The problem I am finding is that the fourth core keeps getting an error, is this a sign that the fourth core can't take the OC or do I need to up the voltage to 1.5v?

Scroll down to most recent post with picture of temps.
Hell yeah! Those temp's and voltage is perfect! hope you have a heatsink on your MOSFET's though lol
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post #8 of 9
Thread Starter 
Quote:
Originally Posted by Atomfix View Post
Hell yeah! Those temp's and voltage is perfect! hope you have a heatsink on your MOSFET's though lol
From what I know my motherboard already has a heatsink over the mosfets, I made sure this was the case as the guy with the ram(the animal not hardware) as his display picture suggested a 8+2 power phase with mosfet heatsinks for any 125w cpu.

I am a little bit sad that I couldn't hit 4.5 but 4.2 is good enough.


Quote:
Originally Posted by Phixit View Post
Why is your +12v at +7v ?
I have no idea, I didn't change anything other than core voltage and multiplier. What does the 12v even represent?
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post #9 of 9
12v is what the PSU puts out the rails to power the main components of your PC. It shouldn't fluctuate more than +/- 10%. That reading is most likely wrong or else your PC probably wouldn't be running or it would crash running at 7v. If you want an accurate reading use a multimeter.

As far as the CPU goes, the temps look fine but prime95 isn't a "true" stability test. For basic computer use I guess a 12 hour pass would be fine. But you should use Intel Burn test instead to really get an idea how stable your CPU is. Or just fold SMP WU's, lol.
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