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or shows one or more hashboards as non-functional
SD card (×1) Control Board Condition Second-hand
Use the dedicated cable listed in the related products section for a reliable connection
Converting your D7 fleet to water cooling
BM2280AA ASIC IC Chip for Antminer K7 Hashboard t2t or shows one or moreBM2280AA ASIC Chip Replacement IC for Antminer K7 Hashboard Repair The BM2280AA is the hashing ASIC chip used on Antminer K7 hashboards. Each chip is a single point in the long serial chain that runs the length of the hashboard when one chip fails, the chain reports incomplete and the affected hashboard drops to a low or zero hashrate. Swap the failed chip out, reflow the chain, and the board returns to normal duty. Direct drop in replacement same
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