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Management Control Chip SI8016HSP8 PFC is suitable for hash boards and is often used to control the current of hash boards. If your hash board is not operating normally, it is possible that the SI8016HSP8 PFC chip is faulty, and you need to replace it in time.
https://zeusbtc.com/ASIC-Miner-Repair/Parts-Tools-Details.asp?ID=369