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Discussion Starter · #1 ·
I have two 275's in SLI which have a factory OC, my issue is whenever I have tried to OC them any further (using Riva tuner) my benchmark scores take a dive. I have read about 275s which have OC'ed well beyond mine, I know that not all cards OC the same but even if I go a smidge over the factory settings they suck. Am I doing something wrong?
 

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Pink Freud
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Setting the fans to 100% help to achieve greater clocks (keep it cool)
and don't raise the voltage too much, nor not enought.

Maybe you can open the cards, clean the dust, reapply TIM.

Try other software, like msi afterburner, which is acually riva turner with a nicer and simpler GUI
 

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Discussion Starter · #4 ·
So I found the problem was having the cards in the first and third slot, once I switched to the first and second slot both gpus were finally being fully utilized and oc'ed with positive results!

I can't believe that for so long only one gpu was being used, oh well
 
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