Antminer S9 Hashboard repair tool available at [ Ссылка ]
Identify failed BM1387 chips and repair broken boards.
Even if your bitcoin asic miner doesn't show hash board available, you can still see which sha 256 chip is bad by using this tool.
If you are using asicboost firmware, this tool will still work to identify broke chip.
![](https://s2.save4k.ru/pic/4XMDyylLhVw/maxresdefault.jpg)