Antminer ZYNQ 7007 Control Board C55 - Compatible with S19Pro S19 T17 S17 L7
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Antminer ZYNQ 7007 C55 Control Board – S17 / S19 / T17 / L7 / D7 Replacement
The ZYNQ 7007 (C55) control board is the universal Bitmain motherboard that spans three generations of Antminer hardware — from the S11 and T15 through the S19 Pro and T19, and including the L7 and D7 Litecoin and Dash miners. It manages pool connectivity, ASIC clock distribution, temperature monitoring, and fan control. A failed control board takes the entire miner offline, and because the C55 covers so many models, keeping one or two spares on the shelf can protect against downtime across a diverse fleet.
Symptoms of a Failing Control Board
The three most common failure patterns are: the miner powers on but does not appear on the local network (Ethernet PHY or ZYNQ CPU failure), the miner's web dashboard loads but reports zero hash boards (data-bus or clock-distribution fault), and the miner enters a reboot loop (corrupted NAND or failed RAM). If the PSU voltages check out and the hash boards test good on a separate fixture, the control board is the remaining fault point.
Installation and First-Boot Verification
Power down the miner and wait 30 seconds for capacitors to discharge. Remove the four mounting screws, disconnect the hash-board ribbon cables, fan headers, and Ethernet cable, then slide the old board out. Install the C55 replacement in the same orientation, reconnect all cables, and secure the screws. On first boot, access the miner's dashboard via its IP address and confirm that all hash boards are detected. Update the firmware to the latest Bitmain release if prompted — some model-specific features require a matching firmware version.
ZYNQ 7007 C55 Control Board – Compatibility
| Parameter | Value |
|---|---|
| Chip | ZYNQ 7007 |
| Board Designation | C55 |
| Manufacturer | Bitmain |
| Compatible S-Series | S11, S15, S17, S17+, S17e, S17 Pro, S19, S19 Pro |
| Compatible T-Series | T15, T17, T17+, T17e, T19 |
| Other Models | L7, D7 |
| Condition | New |
Related Antminer Control Boards & Accessories
- S19 / S19 Pro / T19 Original Control Board
- S17 / T17 Original Control Board
- S19j / S19j Pro Beaglebone Control Board
- C87 Overclocking Control Board – L7 / S19
Need control boards for a mixed-generation Antminer fleet? Contact us at contact@lys-sz.com for availability and volume pricing.
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