Whatsminer hash board single board testing reports 0 failure

Whatsminer hash board single board test has 0 ASIC chips, and the result will be displayed as "Read Chip ID: FAILED". First, it is necessary to check whether the voltage of the power supply, boost circuit and each voltage domain is normal. If the voltage of each power supply unit is normal, it needs to check whether the voltage of the signal of the ASIC chip is normal, and accurately find the faulty chip.

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