On the other hand, in the case of Antminer Z15 these types of get the job done wasn't finished by groups that focus on custom made miner firmware. Thus, it is best to go away the async around the stock firmware. Antminer Z15, optimized with the Equihash mining algorithm from https://zioncxmdu.evawiki.com/10255033/used_bitmain_antminer_z15_pro_things_to_know_before_you_buy