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Fan bothers OCing my 8800GTS @_@

post #1 of 3
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Ok now I installed it I started some tests. The following results are all with low fan speed (silent mode)

Iddle - Stock Clocks


Full Load - Stock Clocks


Full Load - OVed


I have reached up to 530 core clock but this is what happened. I found a way to turn the Fan to 100% with rivatuner. Thanks made the temperature fall a lot (and also gave a hell of a noise) but soon after i got the colorful spots on my screen and pc crushed! I thought the core clockw ant to high and left it to 620 whcih was stable for a lot time. After I finished waiting the temp to go as high as it could I decided to see how low the temp would go with 100% fan speed. And guess what ahppened >> Yeap the beautiful colorful spots. Seems that whenever I turn on the fan to 100% the system hangs. S I was wondering:

1)Is the fan sucking the power of the GPU?
2Is the PSU I have too weak for the card?
3)Are the drivers not that good for now? (got the latest from nvidia)
4) Is my system too weak to support it and I need to OC the CPU too?

Be it all or one please someone help me. I will go to try having the core clock to 630 for a while.
    
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post #2 of 3
You need to chose the scan for artifacts button to put the card under full load. If at any point you see artifacts than that means it is unstable and you will need to lower the core or mem clocks.

Fan speed should not have any effect on how much you can oc but I suggest you lower it down to 80% since 100% is considerably louder.

*edit*
I also wanted to add that fan speed can effect the oc because the lower the temps, the higher the oc.
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post #3 of 3
"Scan For Artifacts" puts your GPU at load in ATITool - Not open 3D View.


If those clocks remain the same, you're perfectly OK. I wouldn't go over 95C load no matter what, but I'm more comfortable with higher temps than most people here. Most people will say under 75C is great, but no circumstances go over 80-85C.

All depends on what you're comfortable with.

1)Is the fan sucking the power of the GPU?
Nope.

2)Is the PSU I have too weak for the card?
Possibly, but I doubt it.

3)Are the drivers not that good for now? (got the latest from nvidia)
Downgrade a version and try. (Use DriverCleaner to remove old ones. Do it in safe mode)

4) Is my system too weak to support it and I need to OC the CPU too?
Nope.

Put it at stock, and see if it does it.
I'm either thinking it's a temp issue (I doubt because you're temps seem OK), a PSU issue (Those PSU's are semi-reputable, but 600W is..eh), or a driver issue.

But, I just think you're OCing too far.
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2 OP pls nerf
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