Antminer S19j S19jpro brand new Control Board Beagle Bone BB version
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Antminer S19j / S19j Pro BeagleBone Black Control Board – Bitmain Replacement Motherboard
The Antminer S19j and S19j Pro BeagleBone Black (BB) control board is the Bitmain replacement motherboard built around the BeagleBone Black ARM Cortex-A8 SoC. It runs the miner firmware, drives the S19j hashboards, manages fan PWM, monitors per-domain voltages and temperatures, and exposes the management API over the network. When a control board fails, the miner is bricked even if the hashboards and PSU are healthy — replacing the BeagleBone Black version of the control board with the same revision is the standard ops fix and brings the unit back online without touching any other hardware.
S19j BB vs S19j Amlogic: Which Do You Need?
Bitmain shipped the S19j family with two control-board generations — an early BeagleBone Black (BB) board and a later Amlogic A113D / C76 board. They are not interchangeable: ribbon pinouts, mounting points and firmware images differ. Before ordering, confirm which generation the broken miner uses (open the cage and check the silkscreen). If the miner has a BB board, this listing is the correct part. If it has an Amlogic A113D board, source the C76 motherboard instead. Mismatching the two will not boot.
Installation
Power off the miner and isolate from mains. Open the control-board cage; unplug the Ethernet cable, the LED indicator ribbon, the fan headers, and the hashboard ribbons (label each one to keep ordering). Unscrew the failed control board. Mount the new BeagleBone Black board on the same standoffs, reconnect the hashboard ribbons in their original positions, the fan headers, the LED ribbon and the Ethernet cable. Power up; the miner should DHCP within a minute and the firmware should detect the hashboards on first boot.
Antminer S19j BeagleBone Control Board Specifications
| Parameter | Value |
|---|---|
| Compatible Miners | Antminer S19j, S19j Pro (BeagleBone version) |
| SoC | BeagleBone Black, ARM Cortex-A8 |
| Function | Main controller, hashboard driver, network management |
| Generation Note | Not interchangeable with the later S19j Amlogic A113D / C76 board |
| Condition | Brand new |
Related Antminer S19j Repair Parts
- Antminer S19j / S19j Pro+ Amlogic A113D Control Board (C76)
- Antminer S19J / S19jPro BeagleBone Black Control Board
- BM1362AA S19j Pro Hashboard ASIC Chip
- Antminer S19j Pro 104T Water Cooling Plate Kit
Refurbishing S19j fleets in volume? Contact us at contact@lys-sz.com for fleet-quantity pricing. Worldwide shipping from our Shenzhen warehouse.
Shipping & Customs
🇺🇸🇪🇺 USA & European Union (DDP):
Orders are delivered DDP (Delivered Duty Paid). All customs duties, import taxes, and fees are included — no additional charges on delivery.
🌍 Rest of world:
Orders ship from China. Depending on your country, local customs authorities may apply import duties or taxes. Any such fees are set by your local authorities and are not included in the product price.
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