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GTX 580 - Stable overclock now failing - Page 2

post #11 of 14
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Quote:
Originally Posted by juano View Post
OCCT GPU test is not a good test to be running for your card. Your card has overcurrent protection (OCP) which will throttle it's clocks down to 405Mhz when it detects thing that Nvidia has deemed "power viruses" such as Furmark, OCCT, and the like. Please note that this is happening whether you believe it or not, and even though it isn't not shown in real time monitoring programs such as MSI AB. For stability testing I like Ungine Heaven for about 45 minutes, and multiple hours of gaming on the most stressful games you own. Past that, many like 3DMark11 but I don't think it's as stressful as Unigine. You may also consider folding as a good stability test as it can and will stress your card like nothing else, check out the essential folding threads in my signature for more information.
Thanks for the repply.

And what is the best way to say it is "unstable"? Will the test software, game, or drivers crash?

By the way, is there any way to queue benchmark runs on unigine heaven?

Thanks a lot!
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post #12 of 14
You'll want to look for artifacts, which can be just about any visual mistake in the graphics, in most things it's usually just a few miscolored pixels but in Unigine I find they appear most often as rays of colored light. Basically once you are familiar with how the game/program/test should look, anything that looks different or looks like a mistake usually is. Of course the program crashing is also a sign of instability as well as your cards clocks lowering and getting stuck at 405Mhz (reboot and lower them if that happens). You don't need to run multiple Unigine benchmarks, just watch it running in the non benchmark mode. Just start it and then don't click benchmark and it will just loop, you don't need the scores for anything at this point. I usually run it for 45 minutes for a longer stability test watching it intently for about 5 minutes at he beginning middle and end or for a shorter test like between incremental adjustments 15 minutes is usually enough to get a decent idea of stability.
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post #13 of 14
Thread Starter 
Quote:
Originally Posted by juano View Post
You'll want to look for artifacts, which can be just about any visual mistake in the graphics, in most things it's usually just a few miscolored pixels but in Unigine I find they appear most often as rays of colored light. Basically once you are familiar with how the game/program/test should look, anything that looks different or looks like a mistake usually is. Of course the program crashing is also a sign of instability as well as your cards clocks lowering and getting stuck at 405Mhz (reboot and lower them if that happens). You don't need to run multiple Unigine benchmarks, just watch it running in the non benchmark mode. Just start it and then don't click benchmark and it will just loop, you don't need the scores for anything at this point. I usually run it for 45 minutes for a longer stability test watching it intently for about 5 minutes at he beginning middle and end or for a shorter test like between incremental adjustments 15 minutes is usually enough to get a decent idea of stability.
So far it seems i'm ok dude

I left Unigine Heaven running for a long time, and played some games for long periods either, i didn't notice any artifact or had any driver crash or something like that.

So, unless anything wrong happens i'll be staying with the 900/1800/2100 @ 1.100mV setup

Thanks a lot for now guys.
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post #14 of 14
Sounds like a good plan, 900Mhz at 1.1v is very good. Enjoy your games!
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