wow, i get solid 700Mhash/card with
cgminer.exe -o http://eu.ozco.in:8332
-u graet.20 -p p -o http://us.ozco.in:8332
-u graet.20 -p p -I 9 -k poclbm --auto-fan --gpu-engine 1050-1185 --auto-gpu --gpu-vddc 0.88 --temp-target 75,95 --temp-overheat 95,115
temp stuff for 2nd card is high as it runs hot and cgminer throttles it
and save ~30W/card over default voltages
Use GPU-Z to see the voltage/memory reading (sensor page). --gpu-vddc does not work on 7970 as far as I know. Maybe you have discovered some combination of bios/driver/os versions that would make ADL calls succeed and actually adjust the voltages on the card
. For me the workaround was to set the voltage with AB before running cgminer (and ignore 1.17V reported by cgminer). Kilowatt at the wall does not lie.
At 700 Mh/s you are probably running memory/voltage at stock and consuming around 250W+ per card.
FreshJR, how do you downclock memory below 685 MHz, when I use AB 2.2, it can downclock to below 685 but cgminer runs at 685.
Can you really run cgminer with 50 Mhz memory? Show me the way.
BTW, I'm running 3x7970 with 1025/685, 0.993V and the whole system
consumes 640W at the wall.