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September 09, 2013, 09:07:35 PM |
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First post here. Tried to post to other crypto topic, but there's no post button. I've searched all over and cannot find a related post. I have three AMD 7970 GPU cards attached to MSI mother board with 8 gb of ram. Everything is brand new. I using scrypt to mine litecoin.
First two cards are running alright at 670, but the 3rd sucks at 80 kh/s. Why would this happen? I have amd 13.4 drivers installed I've tried 13.1 and 12.8 with same results. CGMiner 3.4.0.
GPU 0: 670 kh/s GPU 1: 670 kh/s GPU 2 80 kh/s
Any help in the right direction is appreciated. Please post your Litecoin address so I can pay for your working solution.
These are my settings and run with no hardware errors and zero rejects.
, "intensity" : "13", "vectors" : "1", "worksize" : "256", "kernel" : "scrypt", "thread-concurrency" : "8192", "shaders" : "2048", "gpu-engine" : "1023", "gpu-fan" : "80-100", "gpu-memclock" : "1750", "gpu-memdiff" : "0", "gpu-powertune" : "20", "gpu-vddc" : "0.000", "temp-cutoff" : "85", "temp-overheat" : "85", "temp-target" : "75", "api-port" : "4028", "expiry" : "120", "gpu-dyninterval" : "7", "gpu-platform" : "0", "gpu-threads" : "2", "hotplug" : "5", "log" : "5", "no-pool-disable" : true, "queue" : "1", "scan-time" : "30", "scrypt" : true, "temp-hysteresis" : "3", "shares" : "0", "auto-fan":true, "kernel-path" : "/usr/local/bin" }
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