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[Official] GTX 580 Overclocking Club - Page 58

post #571 of 3582
I keep hearing the 1.15V limit around here but when I set AB to +200mV I get 1.218V and am able to run through Heaven a couple of times without going over 85C. Are we not supposed to be using all 200mV AB allows us? I've even added 20mV of AUX to that before with no ill effects thus far. Of course these are strictly when benching as I game at stock....
post #572 of 3582
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Edited by juano - 8/28/11 at 11:33am
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post #573 of 3582
Quote:
Originally Posted by juano View Post
That's really something you'll have to decide for yourself based on how you use your card. Just make sure to check the VRM temperature in the monitoring section so you can watch those temps as well as the core. I'd imagine that for sporadic benchmarking that 1.2v won't be the end of the world, but for everyday gaming yea I'd still recommend sticking to 1.15v. I think the "1.15v hard limit" gets mentioned more for people that are just jumping into OCing their new $500 GPUs, so until they get the experience something that is easy and safe to tell them is "don't go over 1.15v whatever you do". But for people that understand the risks and are really familiar with their card and how they use it then they would be much better equipped to come to their own conclusions than a newbie.
Couldn't have said it better myself.

The problem being, you're at 1.20v, and loading at 85*C. That's far too warm, you're actually doing more harm (usually) to your clock speeds than good. These cards tend to scale much better with cooler temps, which is why there's that 1.15v accepted limit on air. Because air cooling cannot sustain temperatures low enough with that high of a voltage.

And I've pushed 1.22v through my reference card / cooler for suicide runs. It doesn't hurt anything for random benching here and there, just keep an eye on your temps.
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post #574 of 3582
So, how should I try to break through 930MHz without raising core voltage? Does that effectively mean that without water I can't?
post #575 of 3582
Quote:
Originally Posted by Sheira View Post
That almost sounds too good to be true. Have you try running Unigene or any graphics intensive game (such as crysis or bfbc2) for longer period of time? If so, your card is a champ.
Yeah i ran unigine in a loop for 30 minutes and played bfbc2 for a few hours last night, no artifacting and temps stayed under 90c.
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post #576 of 3582
Thread Starter 
guys im getting a zotac 580 over the next 2 weeks and im wondering is there any actual difference between that and any other 580 once you oc them to the same clocks and put wc blocks on them?
post #577 of 3582
..
Edited by juano - 8/28/11 at 11:33am
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post #578 of 3582
palit gtx 580 3gb @ gpu 1000,shader,2000,mem1992 @1.150 on h20
idle 29c full load under 3d mark 11, 46c.
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post #579 of 3582
Damn, I really wish water was more in my price range. I'd definitely jump on a loop with the results that keep popping up here (trmp wise).


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post #580 of 3582
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damn the card I bought yesterday of one of the lads here turned out dead so he refunded me and im back to not having one
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