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Miner's official home page at bitcointalk.org

8xVEGA56 rig. All cards are AMD reference models, flashed with VEGA64-Liquid BIOS (I believe it's irrelevant, you may try just to run it with stock BIOS). Driver version 18.5.1

Output from PnoenixMiner 4.2c. Note the difference in hashrate, it's a silicon lottery, your results may vary.

ODNTool absolutely outdated v.0.2.3, but it works fine. Please note that GPU speed is set to the minimum possible value. Increasing it will bring your more power consumption only, for ETH mining the memory speed is more important, try to set it as high as possible. This is a quite stable setup, it runs for weeks without rebooting.

And finaly the “secret” ingredient - AMD Mem Tweak Tool (home page at bitcointalk.org) I prefer CLI version, here is my settings (probably not the best one, feel free to experiment with it)

eth_tweak.bat

@echo off
pushd "%~dp0"

WinAMDTweak.exe --CL 19 --RAS 28 --RCDRD 12 --RCDWR 5 --RC 44 --RP 12 --RRDS 3 --RRDL 3 --RTP 4 --FAW 18 --CWL 6 --WTRS 4 --WTRL 9 --WR 15 --WRRD 1 --RDWR 18 --REF 17000 --RFC 248

popd

A screenshot from HWInfo64. According to it the power consumption of the 47MH/s card is 129W, others consume less.

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