Grrizz
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January 02, 2014, 03:26:46 PM |
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I have 3, they all like their memory at 1500MHz any more or less hurts my hash but they all have different favourite core clocks, 1040, 1050, 1080 and they were different again on a different system. Play with your core clock from 1020-1100MHz in steps of 10MHz then fine tune from there. I also find when using windows turning off 'aero' (or whatever its called these days - fancy GUI bits) can help a little and setting the cgminer process priority to high helps prevent hash dips when fiddling with other things.
Here are my cgminer config settings, clocks handled by MSI afterburner; "intensity" : "13,13,13", "vectors" : "1,1,1", "worksize" : "256,256,256", "kernel" : "scrypt,scrypt,scrypt", "lookup-gap" : "2,2,2", "thread-concurrency" : "8192,8192,8192", "shaders" : "2048,2048,2048", "gpu-engine" : "0,0,0", "gpu-fan" : "0,0,0", "gpu-memclock" : "0,0,0", "gpu-memdiff" : "0,0,0", "gpu-powertune" : "20,20,20", "gpu-vddc" : "1.100,1.100,1.100", "temp-cutoff" : "95,95,95", "temp-overheat" : "85,85,85", "temp-target" : "75,75,75", "api-mcast-port" : "4028", "api-port" : "4028", "expiry" : "120", "failover-only" : true, "gpu-dyninterval" : "7", "gpu-platform" : "0", "gpu-threads" : "2", "hotplug" : "5", "log" : "5", "no-pool-disable" : true, "queue" : "0", "scan-time" : "60", "scrypt" : true, "temp-hysteresis" : "3", "shares" : "0", "kernel-path" : "/usr/local/bin"
I use this as a batch file for convenient booting, 60 sec start delay with press any key to skip, high priority process and maximised window; @echo off
timeout /t 60 cd "c:\miner" start /high /max cgminer.exe
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