IBM 88371RU, Руководство по техническому обслуживанию и устранению неисправностей

Страница: 89 / 186

3. Disconnect the power cord, and disconnect all external cables.
4. Remove the cover (see “Removing the cover” on page 18).
5. Locate the password reset jumper (J22) on the system board, removing any
components that impede access to the jumper.
6. Remove the password reset jumper from pins 1 and 2, and place it on pins 2
and 3.
7. Replace any components that were removed.
8. Replace the cover.
You will be able to start the server one time, without having to use the
power-on password, and start the Configuration/Setup Utility program. You can
either delete the old password or set a new power-on password. If you do not
change or delete the password, the next time you start the server the original
power-on password will be reinstated.
9. Connect the server to a power source, keyboard, monitor, and mouse.
10. Turn on the server. The Configuration/Setup Utility program starts.
11. Follow the instructions to erase the existing password or create a new
password.
12. Select Save Settings and press Enter.
When the password reset is completed, it is not necessary to return the jumper to
pins 1 and 2.
Updating Remote Supervisor Adapter II SlimLine firmware
Information about updating the firmware of the Remote Supervisor Adapter II
SlimLine can be found in the Remote Supervisor Adapter II User’s Guide .
Power checkout
Power problems can be difficult to solve. For example, a short circuit can exist
anywhere on any of the power distribution buses. Usually a short circuit will cause
the power subsystem to shut down because of an overcurrent condition.
A general procedure for troubleshooting power problems is as follows:
1. Turn off the server and disconnect all ac power cords.
BIOS boot backup (J21)
Password reset (J22)
Force update BMC (J48)
Figure 66. Password reset jumper location
Chapter 5. Diagnostics
79