Canaan has released new OpenWrt and MM firmware for the 821, 841, and 851.
OpenWrtAvalonMiner 821:
https://canaan.io/downloads/software/avalon821/openwrt/20181223/AvalonMiner 841:
https://canaan.io/downloads/software/avalon841/openwrt/20181223/AvalonMiner 851:
https://canaan.io/downloads/software/avalon851/openwrt/20181223/MMAvalonMiner 821:
https://canaan.io/downloads/software/avalon821/mm/2018-12-22/AvalonMiner 841:
https://canaan.io/downloads/software/avalon841/mm/2018-12-22/AvalonMiner 851:
https://canaan.io/downloads/software/avalon851/mm/2018-12-22/There are no published changelogs for all three OpenWrt firmware releases at the time of writing.
The changelogs for all three MM firmware releases read:
Version 8211812-d33ea90
* Support low power, modify volt adjusting method and certain ss params.
Version 8411812-d33ea90
* Support low power, modify volt adjusting method and certain ss params.
Version 8511812-e19ca70
* Support low power, modify volt adjusting method and certain ss params.
Interestingly, version 20181223 is treated as a new distinct branch in Canaan's GitHub repositories. Canaan calls it
avalon8-lp here,
here, and
here.
Notable changes in version 20181223 include:
- changing the default voltage level to -8,
- changing the default target temperature to 64°C, and
- changing the default minimum fan speed percentage to 3%.