BM1362AJ Replacement chip for Antminer S19j/S19j Pro BM1362AJ ASIC chip can be used to repair and replace the Bitmain Antminer S19j/S19j Pro hash board. The S19j Pro hash board has a total of 126 BM1362AJ chips. When the chip fails, the miner will have a low or no hash rate, affecting the S19j/S19j Pro miners who cannot work normally. Replacing the faulty BM1362AJ chip can quickly get your Antminer S19j/S19j Pro back to normal operation.