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Finding a MAX overclock

post #1 of 6
Thread Starter 
Hi all,

I still have a 4850 running and it's overclocked to 680/1010. I want to find the max overclock for this because I've read and feel that it has a lot more to give.

The temperatures are not the issue here. Oc'd it's running idle at (mem)29C (shader)34C and when gaming it will not really pass the mid-40C. The problem is that if I try to go any higher I'll start seeing artifacts. What are your opinions/suggestions/findings on this?

Thanks!
Jeffrey.
    
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post #2 of 6
you already found max oc if you can't go any higher
not every card is a good clocker
post #3 of 6
Thread Starter 
yeah I was able to flash the bios and up the voltage a bit. I'm now doing a artifact scan on it @750/1058

still stable as I type this...
    
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post #4 of 6
My 5850 runs at 925/1150 in every game for hours on end. But as soon as i play a flash video overclocked, it crashes the display driver.

Sounds like you've already found your max overclock. If temps aren't the problem then there's not a lot you can do. What are you using to test for artifacts?
post #5 of 6
Thread Starter 
I'm using atiTool 0.27b4. But it's pretty outdated.. :S. Played some GTA4, AOE3 and BFBC2. Got some artifacts in Age of Empires and lowered to 750/1013 now. It seems the GPU has some juice left in it but the memory doesn't go very far. It's now stable though at 750/1013.
    
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post #6 of 6
Thread Starter 
yup...ran Furmark also for a good 50 minutes.. no errors. So it seems my max OC is from 625/993 to 750/1013. That's good enough for me for this old card .

thanks for the replies!
J.
    
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