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Title: AMDOverDriveCtrl mid-level voltage linux Post by: steelhouse on August 30, 2011, 07:40:41 PM I have a 6870 card and AMDOverclockCtrl does not allow me to change the voltage on this card. I tried Radeonvolt without luck. I would like to use the mid-level settings on the card. Is there any way to use aticonfig to force the card to use the mid-level settings. Is there another tool? Can I use RBE someway to underclock the voltage?
Thanks Title: Re: AMDOverDriveCtrl mid-level voltage linux Post by: wacko on August 31, 2011, 07:29:03 AM I've had 6850 some time ago, and yes, it was possible to edit voltages via RBE. Not the frequencies, though. Just edit values in the "gpu registers" menu.
Title: Re: AMDOverDriveCtrl mid-level voltage linux Post by: 3phase on August 31, 2011, 12:04:17 PM Try atitweak:
https://bitcointalk.org/index.php?topic=25750.0 if it can be overclocked/undervolted, it will do that. If this does not work, then you need a BIOS flash with RBE. I always try to avoid that. Title: Re: AMDOverDriveCtrl mid-level voltage linux Post by: steelhouse on September 02, 2011, 06:27:00 AM Thanks for the responses. Radeonvolt, I think I can change some settings before I compile as root and it might work. atitweak is a very nice tool, however, the 1.175 voltage remains same when I check status. I will try RBE when I really need it. The cards undervolt easily with MSI afterburner on Windows. The 5830 voltage sticks with radeonvolt.
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