Bitmain Antminer BM1489 ASIC chip for Antminer L7 hash board damaged ASIC chip replacement. 

High-quality Antminer BM1489 chips can be used to replace a faulty chip on the hash board of an Antminer L7 that mines Litecoin or Dogecoin. Bitmain official original authentic. 

If your Antminer L7 hash board is not working, it may be the chip is faulty, the brand new original Antminer BM1489 chip can quickly replace the fragile chip, allowing your Antminer L7 to quickly return to normal operation.