Antminer S9 hash board basics for the PIC chip

Why cant the S9 control board control the start and stop of the hash board? At this time, it is necessary to check whether the PIC chip is faulty. The PIC chip is a device that stores the frequency information and voltage value of the hash board, and the DC output voltage of the hash board can also be controlled through the PIC chip. This course mainly explains how to troubleshoot the PIC chip and how to correctly burn the PIC program.

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