5900 Ultra OC's?

B

bostesseger69

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Has anyone every overclocked one of these? What i need to know is what would be some good speeds to start at, and what programs could i use, also can you flash bios on this card. Thanks a lot.
 
Just oc'ed it to 443 core/913 memory using riva tuner, ran 3dmark 03 all the way through 2 times. Card is staying under 55'C vs. 50'C stock at 350c/850m.
 
looking good you can use atitool on nvidia card to help look for errors that the eye cant see you just cant use it to overclock.
 
Hmm...now when i try to go above either of those clocks and run test with riva tuner it says "The driver failed to pass internal test with the clock frequencies you are about to set. Please decrese clock frequencies and try again." Does that mean im done? Or do i need to flash bios or what?
 
Another update. Been working late tonight. Flashed the card to a 5950 ultra and clocked it to 490 core/ 967 memory @ 37'C.....but i dont think it will go much further.
 
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