Whatsminer M30 hash board repair training course

The Whatsminer M30 hash board is composed of 123 KF1930 ASIC chips, with a total of 41 voltage domains, and each domain is in the series relationship. The core power supply of the ASIC chip is composed of domain voltage, LDO 1.8V and 0.8V, and each chip has 5 signals. Once the powering and signal transmission of the chip are abnormal, the hashboard will not be able to operate normally. This video mainly explains the basic knowledge of the M30 hash board from its structure, powering process and signal transmission direction.

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