Appendix c. hardware configuration, C.1 disable system firmware – Atop Technology GW51C-MAXI-WDT User manual User Manual

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Appendix C. Hardware Configuration

C.1 Disable System Firmware

The AP (application program) firmware of GW51C-MAXI Serial Server can be disabled. This function is
used in the situation that one downloaded a wrong version of firmware that caused the system crashed.

To disable the current version of firmware and prevent it from executing, please do the followings:

1. Turn the power off, open GW51C-MAXI Serial Server case.

2. Short pin1 and pin2 of jumper JP1 on the right-top corner from the main board to disable AP firmware.

3. Power on GW51C-MAXI Serial Server.

4. Download the correct AP firmware to GW51C-MAXI Serial Server.

5. Remove the pin 1 and pin2 of jumper JP1 to enable AP firmware.

6. Close the case and continue ones operations.