When the Avalon 1166Pro kernel log shows hash board 0, the control board cannot recognize the hash board. You can solve the problem by the following methods.
Troubleshooting:
First, check whether the hash board cable and control board are damaged. If damaged, replacing the new hash board cable and control board directly is recommended. If they are good, test a single hash board with a test fixture. If a damaged hash board is detected, it can be replaced directly.
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