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Sapphire 6990 Overclocking Help for 1000+ core.

post #1 of 20
Thread Starter 
Hey guys, atm i have my 6990 set at 1.25v, 1000/1500 in msi ab. Its on water with the koolance waterblock, and right now temps arent getting above 52C. Is there a way i can get the core voltage higher, for better bionic folding? Id love 1050, but idk. I have +20 set in CCC btw.
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post #2 of 20

Easy, just edit and flash the BIOS.

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post #3 of 20
Thread Starter 
steps on how to do that? and will that be stable afterwards?
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post #4 of 20
CCC should allow you to set the clocks to 1200/1500. But yes, flashing the bios to 1.3v and manually setting it in CCC would be the best method. From my experience 1050 core is for the most part stable @ 1.3 assuming you have some good chips.
post #5 of 20
Thread Starter 
how do i go about flashing in rbe? to 1.3v?
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post #6 of 20
Thread Starter 
ok i loaded the default bios in RBE, and switched VID4 to 1300 in GPU Registers, now how do i perma flash it so voltage stays 1.3?
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post #7 of 20
Thread Starter 
anyone guys? i saved the bios onto desktop, can i just click program from ATI win flash?
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post #8 of 20
Thread Starter 
Tried now my comp doesn't boot, just black screen.
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post #9 of 20
Quote:
Originally Posted by thrgk View Post

Tried now my comp doesn't boot, just black screen.

not sure but don't 6990s have a dual-bios. just flip the switch and it should boot again
post #10 of 20
This might be the biggest fail thread i've ever seen.
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