Intelligent Control Boards
The Brain of Your Miner
Is your miner failing to connect or hash? A faulty control board is often the culprit. We stock genuine replacement boards flashed and ready to deploy.
Replacement Boards
Antminer BB18 / C76 / Zynq
Compatible with S19, L7, and S19 XP series. Available with BeagleBone or Xilinx chips.
Type: BB18/C41/C76 | Firmware: Stock BitmainBuy Now
Whatsminer CB4 / CB5
Main control unit for M30 and M50 series. Solves Error 201, Network Dropouts, and Zero Hashrate.
Type: H6/H6OS | Adapter Board IncludedBuy NowCommon Symptoms of Failure
🚫 Dead Board Signals
- Miner does not grab IP address
- Ethernet lights not blinking
- Cannot access Web Dashboard
🛠️ The Fix
- Swap with known good board
- SD Card Recovery (if soft brick)
- NAND Flash replacement
⚠️ Installation Note: Antminer control boards may require an SD card flash to match your specific miner model (e.g., S19j Pro vs S19 XP). We can pre-flash this for you.
Supported Manufacturers
- Bitmain (S9 to S21)
- MicroBT (M20 to M60)
- Canaan Avalon
- Iceriver
Ordering Process
1. Click Buy Now
2. Provide Miner Model
3. We verify board version
4. Shipping