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NiBiTor voltage change did not happen. - Page 2

post #11 of 21
What type of cooler? It might not be a good idea to go higher if you fold 24/7, I could tell you more knowing what type of card/cooler though.
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post #12 of 21
Quote:
Originally Posted by juano View Post
What type of cooler? It might not be a good idea to go higher if you fold 24/7, I could tell you more knowing what type of card/cooler though.
It is an EVGA 560 Ti FPB edition that is water cooled with a Heatkiller GPU X3 full cover block.
At the current 1105/2210 @1.15v, the GPU runs about 45ºC when the ambient temperature is about 25ºC, and tops out at 52-53ºC when the ambient temperature is around 32-32ºC.
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post #13 of 21
Full cover so your VRMs are in good shape then? I'd imagine you could do 1.18v then for 24/7 folding but I wouldn't do any higher than that for 24/7 folding, if you wanted to do some benching then I'd imagine this 1.21v would be okay for that but when doing 24/7 folding I prefer to play it safe.
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post #14 of 21
Quote:
Originally Posted by juano View Post
Full cover so your VRMs are in good shape then? I'd imagine you could do 1.18v then for 24/7 folding but I wouldn't do any higher than that for 24/7 folding, if you wanted to do some benching then I'd imagine this 1.21v would be okay for that but when doing 24/7 folding I prefer to play it safe.
Well I changed the voltage limit in the bios, but it doesn't look like it will run stable enough for folding at much over 1100 core/2200 shader clocks, even with more voltage.
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post #15 of 21
1.1Ghz is still pretty freakin boss. What kinda PPD you get with those clocks. I probably don't even want to know cause it's probably pretty close to mine.
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post #16 of 21
Quote:
Originally Posted by juano View Post
1.1Ghz is still pretty freakin boss. What kinda PPD you get with those clocks. I probably don't even want to know cause it's probably pretty close to mine.
About 16k on average in HFM, slightly less in the real numbers due to upload/download time.
That is with the 1298, 1325 and 1348 point WUs I've been getting for the last month or so.
When we get the 912 and 925 point beta WUs, it was up over 21k ppd when the clock speeds were at 1000/2000. I imagine those units would be over 22k ppd at 1100/2200.

The card is folding at 1125/2250 @1.175v, but it will take some time to know if it is really stable at that.
These 1325 point WUs I've been getting seem to really stress the stability of my 560 Ti and 470 more than any of the other WUs, even more than the 1348 point ones.
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post #17 of 21
Whew okay good, I'm at about 19K PPD at 900Mhz on my 580 so I don't feel too bad. Only bad thing is I don't think the 900point WUs really give much of a boost to a 580, I remember zodac saying that they mostly allow the weaker cards to catch up but don't really allow the stronger ones to pull ahead. Something like that.
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post #18 of 21
Yeah, the 580 kills on the bigger WUs because they are all about how many cores you have.
For the smaller WUs, it is all about clock speed.

On the 1325 point WUs, my 560 Ti gets the same ppd at 1100/2200 as my 470 does at 805/1610.

I can buy two 560 Ti cards and 2 water blocks for what one 580 + water block costs.

I do wish I had a 580 for the team competition though.
Edited by Caleal - 8/12/11 at 11:23pm
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post #19 of 21
That explanation sounds good. Don't know if it's true but it certainly sounds good.
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post #20 of 21
Quote:
Originally Posted by Caleal View Post
Well I changed the voltage limit in the bios, but it doesn't look like it will run stable enough for folding at much over 1100 core/2200 shader clocks, even with more voltage.
Eventually you reach the point where more voltage doesn't help and you just need more cold. Seems like you're there.
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