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8800 GTX KO fan speed/freezing

post #1 of 5
Thread Starter 
I have the EVGA 8800 GTX KO ACS3 (factory overclocked 8800 gtx with their special ACS3 cooling system) and the only issue I had was that graphics intense games (Oblivion, Need for Speed Carbon, Neverwinter Nights 2) would freeze after 20min or so of playing.

I get idle temps of mid 50s and load temps of high 70s to low 80s. (Hard to record load temps as comp freezes at some point and requires manual restart)

After doing A LOT of troubleshooting, I found the solution:

Set fan speed to 100% in RivaTuner.

Now the problem, why should I have to have done that just to get the card to work properly? Maybe the temps were going above 80 (but i couldnt record it as games froze), The fan at 100% is too loud...

My current plan of action is to set up some fan level presets and apply them according to core temps using RivaTuner...however..should the card maybe be RMA'd? I don't think I should have to manually set 100% fan speed just so games don't crash...


Opinions?
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post #2 of 5
Nvm
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post #3 of 5
Thread Starter 
anyone?
JadeDragon
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post #4 of 5
If you are overclocked then bring the clock down. Its seems like your core on the video card is not getting enough volts to it. Also its could be your memory that is the problem if it is overclocked. Bring it to stock.
post #5 of 5
Thread Starter 
Quote:
Originally Posted by Delphi View Post
If you are overclocked then bring the clock down. Its seems like your core on the video card is not getting enough volts to it. Also its could be your memory that is the problem if it is overclocked. Bring it to stock.
The freezing in graphics intense games was an issue before any overclocking (CPU or Ram) and the graphics card is pre-overclocked. Other forums and people with similar issues are sometimes told that they don't have a good enough PSU, but I've seen just as many people saying the PSU isn't the problem. Also, this is a 550w PSU with dual 12v rails getting 33 amps total. The card specs recommend 450w with 28 amps. I found a post on another forum where someone had the same freezing problems and had a 1000w PSU. If the card wasn't getting enough volts, wouldn't it reset or BSOD rather than just freeze with a sound loop?

Also, if after all my troubleshooting, the solution was to raise the fan speed to 100%, wouldn't that draw more power if anything?
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