How to enable voltage control on HD6950?

[Smoblikat]

So I have a pair of HD6950's in Xfire, both of them have a shader unlock yet I cant get voltage control for either of them. Can someone help me figure out how to unlock the voltage?

 

[Shmee]

what program are you trying to use, and what make/models are these cards? are they reference or otherwise? what bios are they using?

 

[Smoblikat]

what program are you trying to use, and what make/models are these cards? are they reference or otherwise? what bios are they using?

Afterburner and trixx.
One is an MSI Twin Frozr 3 power edition and the other is the saphire Dirt 3 edition. The BIOS is the default BIOS with the extra shaders unlocked I believe.

 

[Shmee]

Hmm, not an expert on those cards, they might be voltage locked I do not recall. Or trixx/afterburner is not set up in a mode to OV them. There may be a tweak you have to do with trixx and afterburner to enable voltage control, I don't remember. Or you may need to flash a modded bios that enables voltage control, if one exists.

Perhaps someone with more experience in these could help you further

 

[Smoblikat]

Hmm, not an expert on those cards, they might be voltage locked I do not recall. Or trixx/afterburner is not set up in a mode to OV them. There may be a tweak you have to do with trixx and afterburner to enable voltage control, I don't remember. Or you may need to flash a modded bios that enables voltage control, if one exists.

Perhaps someone with more experience in these could help you further

I enabled all of the unofficial overclocking and voltage control stuff in AB. Maybe someone else knows somthing?

 

[Smoblikat]

Some bampage anyone?

 

[Smoblikat]

Someone?

 

[chimaxi83]

Looks like you've enabled everything you'd need to. Does voltage control work with just one card installed? What version of Afterburner are you using?

 

[Smoblikat]

Looks like you've enabled everything you'd need to. Does voltage control work with just one card installed? What version of Afterburner are you using?

Ill give it a try.

 

[Smoblikat]

OK, after updating to the latest version of AB I now have voltage control on my Twin Frozr 3 card, but not my sapphire card. Any suggestions? I heard flashing it to the HD6970 BIOS removes voltage control, but I think im using a modified 6950 BIOS for the shaders. Will I still get voltage control with this setup?

 

[Smoblikat]

Bump, anyone with the dirt 3 edition card have voltage control?

 

[Smoblikat]

Cmon guys.

 

[lavaheadache]

Afterburner won't allow voltage control on my vanilla 7970 FLASHED to ghz edtion. The option is greyed out no matter what even if I do -xcl. Sapphire Trixx however has no problem at all allowing for voltage control. Have you tried Trixx?


edit...

Just reread and saw that you have tried trixx.. I'm out of ideas

 

[Smoblikat]

Afterburner won't allow voltage control on my vanilla 7970 FLASHED to ghz edtion. The option is greyed out no matter what even if I do -xcl. Sapphire Trixx however has no problem at all allowing for voltage control. Have you tried Trixx?


edit...

Just reread and saw that you have tried trixx.. I'm out of ideas

Interesting, In trixx the voltage control option is greyed out for my MSI card, but for my saphire card I have the option to change voltage, but every time I try to apply the new voltage it reverts back to stock.

 

[lavaheadache]

If your cards have the bios switch I would just try flashing to another bios. With the back up bios you have nothing to lose.

 

[p_monks33]

If you can, I would seriously look into the ASUS GPU Tweak application. It isn't as functional as afterburner, but it does work to change voltage on cards that I otherwise could not get to change. Also in Trixx did you disable ULPS?

 

[Smoblikat]

If your cards have the bios switch I would just try flashing to another bios. With the back up bios you have nothing to lose.

Yes, my saphire card has the dual BIOS switch, I will change it and see what happens.

If you can, I would seriously look into the ASUS GPU Tweak application. It isn't as functional as afterburner, but it does work to change voltage on cards that I otherwise could not get to change. Also in Trixx did you disable ULPS?

I dont know what ULPS is .....so no I didnt.

 

[p_monks33]

Download Sapphire Trixx, if you haven't already . In the options tab it will say ULPS. Check the box to disable it, Restart PC, see if that helps.

 

[itsmydamnation]

I have a 6950 i had to flash it to a bios that had all the shaders unlocked but wasn't a 6970 bios for the voltage to unlock in afterburner.

 

[Shmee]

ya that is the recommended way, part of the problem with flashing to a 6970 bios is that it also will OV the ram, sometimes dangerously.

Luckily the latest tools such as ATI flash makes it really easy to simply unlock the shaders.

 

[Smoblikat]

OK, here is the solution I came to:
Use MSI AB for my MSI card and disable synchronize settings, and then use trixx for my saphire GPU and disable synchronize settings.

 

[p_monks33]

Watch your temps carefully, I had a 6950 flashed to a 6970 and with the reference cooler the card stayed so hot that I ended up flashing back to 6950 with unlocked shaders.

 

[Smoblikat]

Watch your temps carefully, I had a 6950 flashed to a 6970 and with the reference cooler the card stayed so hot that I ended up flashing back to 6950 with unlocked shaders.

Thats what both of my cards are.

 

[p_monks33]

Good deal then, I don't know why the full 6970 flash made some cards run so warm.