IBM NeXtScale nx360 M4 Installation And Service Manual page 99

4. Locate the UEFI boot backup jumper (JP2) on the system board.
1
2
3
Figure 15. UEFI boot backup jumper (JP2) location
5. Move the UEFI boot backup jumper (JP2) from pins 1 and 2 to pins 2 and 3 to
enable the UEFI recovery mode.
6. Reinstall the server cover; then, reconnect all power cords.
7. Restart the server. The system begins the power-on self-test (POST).
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. Turn off the server and disconnect all power cords and external cables, and
then remove the cover (see "Removing the compute node cover" on page 110).
11. Move the UEFI boot backup jumper (JP2) from pins 2 and 3 back to the
primary position (pins 1 and 2).
1
Lightpath button
2
3
UEFI boot
recovery jumper
Clear CMOS jumper
NMI button
Chapter 3. Troubleshooting
81