STEP1 (newest hax firmware)

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Update hax firmware http://192.168.100.100/upgrade.html --> flash new firmware image select file antminer_firmware_xuw.tar.gz press 'flash image' wait for reboot check webconsole of antminer -- all looks good? nice. then proceed to next step.

STEP2 (upgrade custom miner with voltage hax)

stop bmminer (/etc/init.d/bmminer stop) backup bmminer (mv /usr/bin/bmminer /usr/bin/bmminer.old) download new bmminer (e.g bmminer9v) (https://github.com/olealgoritme/antminer_s9_hacks)

curl --insecure -L https://github.com/olealgoritme/antminer_s9_hacks/raw/master/bmminer9v -o bmminer9v

rename bmminer9v (mv /usr/bin/bmminer9v /usr/bin/bmminer) change permissions (chmod +x /usr/bin/bmminer) restart bmminer (/etc/init.d/bmminer restart) check web console of antminer -- all looks good? nice. then proceed to next step.

STEP3 (test ASIC frequencies)

tweak ASIC CHIP frequency (start at 700MHz, go up incrementally) with +1 step up until u see HW errors, then go down till u see 0 or few errors http://192.168.20.10/cgi-bin/minerAdvanced.cgi --> change Frequency here -- test for few minutes, then +1 step up

Good luck mining!