IBM 84885BU, Руководство по техническому обслуживанию и устранению неисправностей

Страница: 29 / 200

7. Remove the boot block recovery jumper from pins 1 and 2 and set the jumper
in a safe place.
8. Replace any adapters that were removed.
9. Replace the frame-support bracket (see “Removing and installing the support
bracket” on page 32).
10. Replace the side cover (see “Removing the side cover” on page 28).
11. Connect the server to a power source, keyboard, monitor, and mouse.
12. If the diskette drive contains a diskette, remove it.
13. Insert into the diskette drive the BIOS recovery diskette that you have created
from http://www.ibm.com/pc/support/.
14. Turn on the server and the monitor.
15. After the update session is completed, turn off the server and monitor.
16. Remove the diskette from the diskette drive.
17. Disconnect all power cords and external cables; then, remove the side cover.
18. Remove the side cover.
19. Remove the frame-support bracket.
20. Remove any adapters that impede access to the jumper block.
21. Replace the boot block recovery jumper onto pins 1 and 2.
22. Replace any adapters that were removed.
23. Replace the frame-support bracket.
24. Reinstall the side cover.
25. Reconnect all external cables and power cords and turn on the peripheral
devices.
26. Turn on the server to restart the operating system.
Erasing a lost or forgotten password (clearing CMOS)
This section applies to lost or forgotten passwords. For general information about
passwords, see the User’s Guide on the IBM Documentation CD.
Complete the following steps to set the CMOS recovery jumper and erase a
forgotten password:
1. Read Appendix B, “Safety information,” on page 143 and “Handling
static-sensitive devices” on page 26.
2. Turn off the server and all attached devices.
3. Disconnect the power cord, and disconnect all external cables.
4. Remove the side cover (see “Removing the side cover” on page 28).
5. Remove the support bracket (see “Removing and installing the support
bracket” on page 32).
6. Locate the CMOS recovery jumper (JCMOS1) on the system board, removing
any adapters or other components that impede access to the jumper. The
following illustration shows the location of the jumper on the system board.
Chapter 3. Diagnostics
19