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High temps on Prime95?

post #1 of 7
Thread Starter 
I have been running Prime95 for about 25 minutes @4.6 (auto) and getting 77c-78c (as reported by Asrock tuning utility), is this normal for the cooler I have??
Edited by chfields - 6/18/11 at 7:59am
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post #2 of 7
I would say so, yea.
    
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post #3 of 7
Thread Starter 
Thanks, this is my first time oc'ing and using a heatsink other than stock....It is stable at 4.6 but locks up and blue screens at 4.8...
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post #4 of 7
I find that the votage needed for 5.6 to 4.8 goes up quite a bit, then 4.8 to 5.0 is just an insane voltage spike.
    
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post #5 of 7
i wouldn't recommended using offset voltage or auto voltage if you are. They tend to overshoot quite a bit in terms of the minimum needed for any OC. Manually setting voltage and finding the lowest value that keeps you stable will lower your temps nicely, that is if you haven't done so yet.
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post #6 of 7
Thread Starter 
I have Vcore set to auto. I watch it in Asrock Extreme tuning and it keeps changing, I see it fluctuate between 1.050 and 1.1 at idle with cpu temps around 35c @4.6. I see it go as high as 1.3 or more with more activity. What would be a good setting or maybe starting point, as I'm new to overclocking.....
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post #7 of 7
you can probably get a tad lower than 1.3 if you have an above average chip. If not then 1.3 @ 4.6 is not bad at all, i run my 4.5 at 1.310v 24/7 kinda high but still very average, my 4.8 runs a little high at 1.4 and 5.0 jumps all the way to 1.5+ ! Play around with manual voltages and keep track of your progress.

I suggest starting at 1.4 or 1.3 for your 4.6 and keep dropping until you fail 5 hours in prime, once you fail bump the vcore up to last notch stable then test for 12 hours , and voila you have your 24/7 stable clock. I say 12 hours because that's how long it takes to run through the data set in prime.
Edited by sockpirate - 6/18/11 at 8:17pm
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