Lenovo TD200 - ThinkServer - 3809 Hardware Maintenance Manual page 316

To recover the server firmware and restore the server operation to the primary bank, complete the following
steps:
1. Read the safety information (see Chapter 2 "Safety information" on page 3.
2. Turn off the server, and disconnect all power cords and external cables.
3. Unlock and remove the server cover (see "Removing the side cover" on page 146).
4. Locate the UEFI boot recovery jumper (JP6) on the system board.
1
UEFI boot recover jumper (JP6)
2
Clear CMOS jumper (JP1)
3
SW6 switch block
5. Move the jumper from pins 1 and 2 to pins 2 and 3 to enable the UEFI recovery mode.
6. Reinstall the server cover (see "Installing the side cover" on page 252); then, reconnect all power cords.
7. Restart the server. The power-on self-test (POST) starts.
8. Boot the server to an operating system that is supported by the firmware update package that you
downloaded.
9. Perform the firmware update by following the instructions that are in the firmware update package
readme file.
10. Copy the downloaded firmware update package into a directory.
11. From a command line, type filename-s, where filename is the name of the executable file that you
downloaded with the firmware update package.
12. Turn off the server and disconnect all power cords and external cables, and then remove the server cover.
13. Move the UEFI boot recovery jumper back to the primary position (pins 1 and 2).
14. Reinstall the server cover, and then reconnect all the power cables.
15. Restart the server.
See "System-board switches and jumpers" on page 138 for descriptions of the jumpers and switches.
In-band automated boot recovery method
Note: Use this method if the System board error LED is lit and there is a log entry or Booting Backup Image is
displayed on the firmware splash screen; otherwise, use the in-band manual recovery method.
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ThinkServer TD200 Hardware Maintenance Manual