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Unable to increase voltage on 6970

Last response: in Overclocking
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April 4, 2012 11:17:20 AM

Ever since I recieved my Asus 6970 DCII a year ago, I wanted to overclock it. However, I am not able to go beyond 1Ghz unless I can juice it up with some more voltage. I tried smartdoctor, gputweak and afterburner, but none seemed to be able to raise the voltage (although I am perfectly able to undervolt it). Then it occured to me that it might be a safetyfuction in the bios or something. I know reference 6970's has this little switch which changes between bioses, but the one on my card (DC II), only changes the output (as far as I know, I've tried both positions, no luck).

What must I do to be able to raise the voltage? Do I have to flash the card with another bios? Where do I get one?
April 4, 2012 12:24:16 PM

Update:
Even though furmark says it's at 1.175v, it is higher. Temps went up a LOT when I increased it in GPUTweak.
a b U Graphics card
a c 190 K Overclocking
April 5, 2012 4:53:01 AM

What does Gpu-z say?
And does it show a voltage change
Moto
!