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6950 Overclock Stability

post #1 of 5
Thread Starter 
I have been running my 6950 for weeks now at 925 / 1375 @ 1.2v 100% stable in games I play F1 2010, DIRT3, Just Cause 2, Black Ops, Hot Persuit etc etc

However, Crysis 2 locks up about 15mins in and so does GTAIV Lost and Damned and the driver stops responding. Is this a problem with my overclock or just these games? They are the only 2 i'm having this problem with at the moment! I'm using 11.8 preview drivers

Temps are good, 30c idle and 63c under load
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post #2 of 5
It it doesn't have those problems at stock then it's unstable.

As a last resort you could try jacking up the fan to 100%, fixed my stability issue but then mine was loading in the 70s and yours is already pretty cool. But it's worth a shot.
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post #3 of 5
Thread Starter 
100% fan speed would blow my house roof off! This thing sounds like an aircraft taking off at 100%!! I have auto fan speeds at the moment
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post #4 of 5
its a driver issue.. its not stability with the GPU.

DiRT and JC2 with AA and AF enabled are just as GPU intensive as any Vantage P or 3D'11 test.. and if I remember right, the games you mentioned are more CPU bound [not GPU bound like the others that are playing well].

*I have had issues with all drivers for my 6950 at some level or another-> EXCEPT the 11.4's... and I continue to run them now. I get better FPS rates than 11.7's and no compatibility/crash to desktop issues that I would randomly get with every other version of drivers.
post #5 of 5
Thread Starter 
I believe f1 2010, Just Cause 2 and DIRT3 are all CPU intensive games, might be wrong though.

i will try and run the games at stock clocks to see if that works. Lowering the overclock to 900 / 1400 / 1.15v isn't stable either in crysis 2 or gtaIV, it used to be though
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