First of all, thank you all guys. In the last couple of days I learn a lot just reading this forum, and I have now successfully my Dual Sapphire Nitro+ RX580 4Gb (Elpida) Dual mining ETH and Dec at 59Mh/s and 1770Mh/s respectively.
A few hours ago I decided I knew enough to Bios mod and after that decision and using the right drivers I reach the numbers I already mentioned, BUT, first I run Claymore (10.2) Dual miner with the same specs I had before I will post them at the end, but basically I used the same values of core voltage and memory voltage I was using before ( 850mV or 0.850V). I tested a few minutes with dual mining and everything seems to be fine, almost no errors on HWinfo64, so I reboot the system and try it for the long run.
First time crashed at +/-40 minutes, second time at 15 minutes.
Ok, I thought, maybe I need to increase a little bit the voltage, and I did it, I check some values commonly used by the community and changed to 0.875, for both parameters.
Now the strange thing, at GPUZ and Afterburner, GPU 1 is +20*more than the GPU2, and then I realized, the voltage was at 0.925 at GPU1 and is at 0.850 at GPU2. I re-check the code and was right, I restart the computer and made a second run, again the values are like this.
Can you please check my "code" and see if is something wrong. Can also give me possible solutions to this problem. Energy costs are a big issue here in Germany, I need to solve this problem to save some money
PS.: I use the programming in Claymore, as tests before showed me I get 20% less electricity using the same specs in afterburner or Wattman (maybe I am wrong)
-mode 0 -esm 0 -etha 0 -asm 1,1 -ethi 8,8 -eres 2 -erate 1 -estale 1 -di 01 -gser 0 -dcri 30 -wd 1 -r 60 -dbg 1 -tt 78,78 -ttdcr 82,82 -mclock 2050,2070 -cclock 1100,1100 -cvddc 880,875 -mvddc 875,875 -colors 1
