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jstefanop/bitmain-tools
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This tool allows voltage editing on Bitmain’s L3+ hashboards, it is provided free by the developer so if you find this useful and/or want me to update/provide new tools please donate to the below address. Thanks! LTC: LQZpb8AqbggUmsdPKr28DzdNcRP7MJ8kEf BTC: 1LeA29mLjTFCyB5J6Yiq4TFtAck2VDPUZf ———— Usage: scp binary to /config directory in your unit’s controller…this is the only directly that gets saved on reboot on antminers binary accepts two inputs in the format of: ./set_voltage [chain# 1-4] [voltage in hex] bitmains voltage controller can be configured to change the 12v input roughly +/- 1v from 10v, and this is configurable via a hex range of 0x00-0xfe, with the default being set to the middle (0x80). Higher hex values (0x80-0xfe) will LOWER voltage, lower values (0x00-0x7f) will INCREASE voltage from the default. For example if you want to slightly decrease your voltage on chain #1 you would input: ./set_voltage 1 90 increments of 0x10 are good starting point to test a sweet spot for each board for a particular frequency. Lowering voltage until you get around 1 HW error per minute is usually a good reference “sweet spot”