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Any way to enable Voltage control on a Gigabyte 6870 ? - Page 2

post #11 of 15
Quote:
Originally Posted by Awaz View Post
Did you by any chance flashed your BIOS with 6970?

EDIT: Check this thread out and see if it will give you some ideas. Also, if you flashed your BIOS with 6970 BIOS, you may need to do VDDC mod.

http://www.overclock.net/ati/915716-...e-control.html

In all honesty though, these cards can overclock close to 900/1400 on stock voltage.
I did at first but then flashed it back. I'm now running an Asus 6950 BIOS (I have two Powercolors) with shaders unlocked. Still can't control voltage. Even flashing back to Powercolor stock with nothing unlocked doesn't let me change voltages.

And my card freezes at 900 and above core speeds.
Edited by Conjuror - 3/4/11 at 6:49am
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post #12 of 15
There is a thread here, where a member took an ASUS BIOS and increased the voltage to 1.175V using RBE. Then used ASUS Smart Doctor to increase CCC limits. I will see if I can hunt it down. If you would like, you can go that route. If you need more voltage, just tweak your BIOS using RBE.
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post #13 of 15
Quote:
Originally Posted by Awaz View Post
There is a thread here, where a member took an ASUS BIOS and increased the voltage to 1.175V using RBE. Then used ASUS Smart Doctor to increase CCC limits. I will see if I can hunt it down. If you would like, you can go that route. If you need more voltage, just tweak your BIOS using RBE.
Yes, I would like that. I'm on my phone and at work so I can't search anything right now. Is there a tutorial to use RBE to adjust voltage though? I tried installing SmartDoctor also but even with an ASUS BIOS, it says it can't detect an ASUS graphics card.
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post #14 of 15
Quote:
Originally Posted by Conjuror View Post
Yes, I would like that. I'm on my phone and at work so I can't search anything right now. Is there a tutorial to use RBE to adjust voltage though? I tried installing SmartDoctor also but even with an ASUS BIOS, it says it can't detect an ASUS graphics card.
Here you go:

http://www.overclock.net/ati/923129-...hz-shader.html

Try the steps as he laid out. I think 1.175V should be plenty to get a decent overclock. I would not recommend going overboard. If however, you are a high risk taker, google Radeon Bios Editor and you will find the download AND a tutorial on how to use it.

I did my overclock as described in the very bottom of the thread (compudaze's post where he found treasure with google!). That is because nothing really works well with crossfire and I did not want to put an ASUS BIOS on my cards.
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post #15 of 15
Quote:
Originally Posted by Awaz View Post
Here you go:

http://www.overclock.net/ati/923129-...hz-shader.html

Try the steps as he laid out. I think 1.175V should be plenty to get a decent overclock. I would not recommend going overboard. If however, you are a high risk taker, google Radeon Bios Editor and you will find the download AND a tutorial on how to use it.

I did my overclock as described in the very bottom of the thread (compudaze's post where he found treasure with google!). That is because nothing really works well with crossfire and I did not want to put an ASUS BIOS on my cards.

Thanks for that. It seems like it'll work well but I'm concerned about the lack of powertune. If they removed the powertune option then it could limit overclocking by the throttling
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Case
Cooler Master HAF-X 
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My System
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CPUMotherboardGraphicsRAM
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Hard DriveOSMonitorPower
1TB 6GB/s SATA Windows 7 Ultimate 64-bit ASUS VH242H - 24" Raidmax 850-AE - 850W 
Case
Cooler Master HAF-X 
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