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Where's my voltage control?

post #1 of 7
Thread Starter 
So as it turns out, my specific 6950 is not compatible with Sapphire's voltage tweak utility (rrrgh!). However, I was able to get a movable voltage slider in Afterburner after downloading the latest version. But there's a few problems:

GPU-Z was only reading 1.1v in the Heaven benchmark (too scared to use furmark) when I set it at 1.175 in afterburner.

Afterburner doesn't allow me to set clocks higher than 840mhz, which makes the voltage tweak useless.

So, is Afterburner really altering voltages and GPU-Z is inaccurate, or is Afterburner not doing anything and GPU-z is reading the real voltage? My other question was how to get above the 840mhz barrier. I HAVE tried setting unofficialoverclocking to 1 but it still stays at 840. The odd thing is, the old version of Afterburner DID allow me to go above 840 but no voltage control.

This is frustrating: Either I get good freq. control but no volt tweak, or I get volt tweak with no freq control above 840. I really would like to get above 900 with this card to run some benchmarks. Rep for all who help, even if it's just a link to a different bios or something
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post #2 of 7
custom flash the ole' bios to get past that... theres some threads in and around here that detail the process... of course, mileage may vary. Gimme a sec and Ill see if I can find it.

http://www.overclock.net/ati/671675-...5850-bios.html

start here and see what you come up with...
Edited by Soggysilicon - 3/10/11 at 10:18am
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post #3 of 7
Thread Starter 
alright lemme know if you find it!
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post #4 of 7
i'm not sure if voltage drop affects video cards as much as it does motherboards, but what you enter for the voltage and was is actually hitting the motherboard/videocard are 2 different things
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post #5 of 7
Thread Starter 
Quote:
Originally Posted by Rhenzinger View Post
i'm not sure if voltage drop affects video cards as much as it does motherboards, but what you enter for the voltage and was is actually hitting the motherboard/videocard are 2 different things
I know, but 1.1 is the stock so its very unlikely it was caused by vdroop.
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post #6 of 7
Thread Starter 
Quote:
Originally Posted by Soggysilicon View Post
custom flash the ole' bios to get past that... theres some threads in and around here that detail the process... of course, mileage may vary. Gimme a sec and Ill see if I can find it.

http://www.overclock.net/ati/671675-...5850-bios.html

start here and see what you come up with...
Which BIOS should I use? Like an OEM one from a different manuf or a custom one?
The Butthurt Box
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The Butthurt Box
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post #7 of 7
Quote:
Originally Posted by railfan844 View Post
Which BIOS should I use? Like an OEM one from a different manuf or a custom one?
custom, preferably (I would imagine) you want to backup the stock rom and modify the hz cap bit in notepad and then flash it back... the little you tinker the better. (always keep the backup, just in case)
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Yukikaze
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