Quote from: realrover on March 17, 2017, 07:25:12 AM

Quote from: Cubirez on March 17, 2017, 07:02:34 AM

Can anyone help me with my issue :
On my all RX470 4Go rig, when i use Claymore's dual miner, the primary adaptor will hash at only one third of the other GPU's speed (12MHs vs 30MHs on eth, 140MH vs 380 MH on DCR). I tried to play with the intensity and even tried the -li mode, no change. :s
It's quite odd as i don't encounter that problem mining on the other currencies (ZEC / CN are okay).

I have similar issue with mining ETH, ZEC and XMR with Claymore's miner. It started just several days ago with one of my machines. Mining starts with expected hashrate, then goes down and down until miner stops to work. I didn't update BIOS, drivers, Windows - nothing. I have 2 RX480 Red Devils in that rig. Another rig with 3 Devils works fine - no issue. Both rigs run Windows 7 64 with 16.10.3 drivers. I tried newer drivers, tried different BIOSes (stock, Boysie's), tried different intensities - nothing helps. Cards are running cool. GPU load is 100%, but hashrate is just dying every second during several minutes... What da hell? Can't think of anything. Could somebody help? Thanks.

PS: Cubirez, check if one of your cards is running in CrossFire mode. This kills the hashrate. Crossfire should be disabled.

Checked it but none of the card is running in Crossfire mode :x