When I use Atitweak -l it only lists performancelevel 0 and 1. There is no Performance level 2?
While mining I can use atitweak to change Engine and Memory but have to use Performance level 1 for anything to happen. The same with changing Voltage but the voltage actually never change.
In cgminer it also works to change the Engine clock and the Memory clock and it also says that "Driver reports success..." but the Voltage never changes.
It is the same experience with both the cards
MIS 7970 Lightening & Sapphire Dual-X OC
Any idea what I can do to change the voltage?
I think this is the usual ADL issue with linux. You can't change voltage with 6xxx or 7xxx series, and memory has a difference limit, e-100 6870, e-125 69xx, e-150 7970.
Hmm, interesting. Really hoping this would be working for linux, not switching to windows if I can help it.
Have a 7950, and here are my observations:
--When I set clocks and voltage for performance level 0/1, it appears to work. atitweak appears to correctly be setting the clocks and voltage!
--When I start mining with reaper, the clock settings show up correctly, but voltage does not.
... here's where I get confused. atitweak -s gives:
1. AMD Radeon HD 7900 Series (:0.1)
engine clock 950MHz, memory clock 1400MHz, core voltage 1.25VDC, performance level 3, utilization 99%
"performance level 3" ? I can't set anything for performance level 3.. could that be why the voltage settings aren't being applied? (If I try to specify -P 3, it doesn't affect anything, and there is no output.. )?
Also, this topic is stale.. anyone know how to contact the developer to see if this might be something easy? I'd be happy to test!
Edit: I believe Trixx and MSI Afterburner (both windows) will allow voltage changes... I just happened to notice the voltage change on performance levels 0 and 1, but then when I mine, -s shows level 3...
Edit2: Shows 4x different clock states here: http://www.techpowerup.com/vgabios/117750/Gigabyte.HD7970.3072.120308.html
I have hope that this is something fixable...