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Increasing Sapphire Radeon 5770 Voltages

Last response: in Overclocking
May 30, 2010 9:39:36 PM

I'm currently running two Radeon 5770 cards with driver 9.12 currently installed (faster 2D speeds). I currently have the VRAM on both cards OC'ed to 1375MHz, with stock GPU speeds (850MHz). I can't find any programs that are capable of even basic overclocking for these cards other than the CCC, and I just can't find any programs to increase the voltages to push them even further (my computer locks up even at this mild OC). Does anyone have any suggestions on what to use? I've heard of MSI Afterburner, but isn't that only for MSI cards?

Heat isn't much of an issue, I put water blocks on both cards.

I've really only tried RivaTuner and some other low-profile and unheard of overclocking utility (can't remember the name), but neither of those worked. GPU-Z doesn't come up with all of the information on these cards either, it shows about half of the slots as Unkown.
May 30, 2010 11:24:09 PM

Oh... Wow. Go MSI. I guess I should've tried before I asked. Thanks.