Quote from: mirny on June 24, 2014, 04:25:54 PM

I have 10 rigs + other 3 rigs friend of mine, all of them are 4xGPU, 280x (Sapphire, Asus) 7970 (Sapphire), all sorts of cards combined,
but I never had a problem with ver. 3.x, which is most people stating in here.
For tweaking I'm using MSI afterburner, if you have low hashrates and clocks are jumping,
just try to give more volts.
I did not made any other adjustments.
And as well I'm mining with 2-3 threads with CPU on those rigs.
It's running full throttle and nothing is lagging, everything is running stable.
So I can say there is no problem at all with Claymore miner.

I have 7950x4 rig, undervolted it today from 1.031 to 1.009, all work nice. Hashrate 470h/s from card.

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