④ Detect if the pins of the primary chip will not be soldered thoroughly (you can find tins about the pins from the aspect in the repair procedure, but following taking away the chip, it truly is observed which the pins aren't stained with tin); Thinking about the serial https://antminer-s19-pro-hashboar32075.arwebo.com/54333474/a-review-of-antminer-s19-pro-hash-board