BM1397 BM1397AG Original Hashboard ASIC Chip for S17 T17 S17pro T17+ S17+

BM1397 / BM1397AG Original Bitmain ASIC – Antminer S17 / T17 / S17pro / T17+ / S17+ Hashboard Repair

The BM1397 and its BM1397AG variant is the Bitmain SHA-256 ASIC chip deployed across Antminer S17, S17+, S17pro, T17 and T17+ hashboards. It is the workhorse silicon in the still-installed S17/T17 fleet, and we source it original and brand new from our supply chain. When a hashboard reports dead chips on the test fixture or in the kernel log, replacing the failed BM1397 / BM1397AG at the flagged positions is the standard repair, and done correctly the hashboard returns to nominal hashrate without further intervention on the rest of the chain.

BM1397 on the S17 / T17 Hashboard

S17/T17-class hashboards run a long chain of BM1397 chips wired in series across multiple voltage domains. Failure of a single chip breaks the chain and takes the whole domain offline in the kernel log. Multiple dead chips spread across different domains usually indicates a thermal event or a power-rail fault rather than chip-level failure — worth checking the buck converter, cooling and inrush thermistor before swapping silicon. The standard ops flow: read the failed positions from the kernel log or the test fixture, isolate the board, rework the suspect chip(s), and re-test on the BM1397 fixture before sending the board back to the miner.

Replacement Procedure

Pre-heat the hashboard to 130-150°C with an IR pre-heater. Use a hot-air rework station at 340-360°C with a small nozzle to lift the failed BM1397 — protect adjacent passives and neighbouring chips with kapton tape. Clean the pads with flux and braid, lay down fresh paste matching the S17/T17 board's solder process, place the new BM1397 with vacuum tweezers respecting the orientation mark, and re-flow. Verify the swap on a BM1397 / S17 series test fixture before reinstalling the hashboard.

BM1397 / BM1397AG Specifications

Related S17 / T17 Hashboard Repair Parts

• BM1396 / BM1396AB ASIC Chip – S17e / T17e
• Antminer S17 / T17 / S17pro Original Control Board
• BM1387 BM1393 BM1396 BM1397 BM1398 Universal Tin Tool Fixture
• Antminer S17pro Water Cooling Plate

Repairing S17 / T17 hashboards in volume? Contact us at contact@lys-sz.com for tray-quantity BM1397 pricing. Worldwide shipping from our Shenzhen warehouse.