Need Help Overclocking my 580

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19 Aug 2011
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156
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Leicester, UK
OK, so I've got the MSi twin frozr ii gtx 580. I've been trying to find a stable clock for a couple of days now, running Heaven 11, OCCT 3.1.0, 3D mark11 and gameplay testing using BFBC2 and Crysis2.

I've pushed my card to the settings in my sig at 1075/1088 volts. OCCT reports no errors, Heaven goes the benchmark just fine, no artifacts/stuttering, same with 3D mark 11, but whenever I play one of the above mentioned games they will crash to blank screen. I can access the Task manager to shut down tho. I even tried dialing bk to 860/870 getting same results.

Did a 5/6 hour OCCT scan, no errors tried a couple hour long heaven stress test, nothing seems to be lighting up. I feel completely stumped. The card has just been RMA'd so I dont wanna send one bk again, as there seems to be nothing wrong with it.

**as a side note i can push the cClk on card to 890 on stock volts and not get any errors in OCCT.
I have been using the 285.27 drivers**

Any suggestions?

***added graphs below from 10 min OCCT run @ 900 stock voltage***







 
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Is the game crashing during play or does it not get that far?

Was crashing during gameplay, I've just unistalled drivers using driver sweep in safe mode and then re installed drivers. Played BFBC2 for about 2 n half hrs without a crash although 2/3 times its started to freeze up and got a weird sound from it and then carries on. I think its the voltage somehow dropping to below what is needed. Looking at my graphs it seems that my card has a tendence to do the during the 5V phase of the test .

What u guys think?

@ RiseAgainst Well I didnt OC the processor, OCUK did. I will do some OCCT tests on it sunday tho as Im working all day saturday.
 
Also just on another note, when I was playing BFBC2 at stock my GPU usage hovered around the 80% mark, does this mean my CPU is bottlenecking the GPU? TBF i was still getting about 85/120 FPS everything max'd and with 16xAA/16AF and HBAO turned on @ 1920*1080 :)
 
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