KF1978E ASIC Chip for Whatsminer M50 Hashboard

KF1978E ASIC Chip | Replacement IC for Whatsminer M50 Hashboard Repair

The KF1978E is the hashing ASIC chip used on Whatsminer M50 hashboards. Each chip is a single point in the serial chain that runs the length of the hashboard — when one chip fails, the chain reports incomplete and the board 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 package, same pinout, same electrical envelope as the chip originally fitted at the factory. Stocked for repair shops servicing M50 fleets and individual operators replacing failed chips at the bench. KF1978E is the standard variant; the related KF1978E sub-variant ships under a different listing if your hashboard revision needs it.

When to Replace the KF1978E

• Hashboard reports low or zero hashrate — chip chain incomplete on one board while other boards run normally.
• Chip count mismatch in chain scan — diagnostic tool flags the failing position along the KF1978E chain.
• Visible damage on a chip — burnt, cracked or delaminated package after a thermal or transient event.
• Single-board failure after a known fault event — short, power surge or coolant intrusion likely killed one or more chips along the chain.
• Hashrate refurbishment on used M50 fleets — replace the marginal chips identified at intake before redeploying the miner.

KF1978E ASIC Chip Specifications

FAQ — KF1978E Replacement

Q: How do I know which chip in the chain has failed?
A: Run the chain on a hashboard test fixture — the tool reports the position of the first failing chip along the chain. Without the fixture, visual inspection at the microscope plus continuity testing along the chain locates most failures.

Q: Is the KF1978E interchangeable with the KF1968 chip?
A: No — different chip families with different binning and signal envelope. The KF1968 fits earlier M30 / M30S generations, KF1978E is the M50 generation part. Match the part number stamped on the failed chip before ordering.

Q: What stencil do I need to reflow the KF1978E?
A: Use the dedicated KF1978 / KF1978E stencil and tin tool fixture for accurate paste deposition. Generic stencils don't match the pad geometry.

Q: Bulk pricing for repair shops?
A: Yes — email contact@lys-sz.com with your monthly volume. Tray and tube quantities are stocked.

Related products

• Whatsminer KF1978E Stencil + Tin Fixture – M50S / M60S
• Whatsminer KF1978E ASIC Chip Tin Tool – M50S / M60S
• KF1969 ASIC Chip – Whatsminer M50 Hashboard
• Whatsminer M60 / M50 / M30 Hashboard Tester

Repair shops sourcing KF1978E chips by the tray? Email contact@lys-sz.com for bulk pricing. Worldwide shipping from our Shenzhen warehouse.