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the server. If this happens, a POST message Booted from backup POST/BIOS image
is displayed. The backup page version might not be the same version as the
primary page version.
You can then recover or restore the original primary page BIOS by using a BIOS
flash diskette.
To recover the BIOS code and restore the server operation to the primary page,
complete the following steps:
1. Go to http://www.ibm.com/servers/eserver/support/xseries/index.html.
2. From the Hardware list, select System x3755.
3. From the Software list, select the applicable operating environment and click
4. Click the Download tab.
5. Click BIOS, drivers, and firmware for the applicable operating environment.
6. Download the latest BIOS code update.
7. Update the BIOS code, following the instructions that come with the update file
8. Restart the server.
If that procedure fails, the server might not restart correctly or might not display
video. To manually restore the BIOS code, complete the following steps:
10. When you are asked whether you want to save the current code to a diskette,
11. Type 1 and press Enter to continue.
12. When the update is completed, turn off the server.
13. Disconnect the server from the ac power source.
14. Move the J64 jumper back to pins 1 and 2 to return to startup from the primary
15. Wait 30 seconds; then, connect the server to the ac power source.
16. Replace the cover; then, restart the server.
System-error log messages
A system-error log is generated only if a Remote Supervisor Adapter II SlimLine is
installed. The system-error log can contain messages of three types:
Go.
that you downloaded. This automatically restores and updates the primary page.
1. Read the safety information that begins on page vii and "Handling
static-sensitive devices" on page 39.
2. Turn off the server and peripheral devices and disconnect all external cables
and power cords; then, remove the cover.
3. Locate the boot recovery jumper (J64 on the I/O board) (see "I/O board
jumpers" on page 9).
4. Disconnect the server from the ac power source.
5. Move the J64 jumper to pins 2 and 3 to enable the backup page.
6. Wait 30 seconds; then, connect the server to the ac power source.
7. Insert the BIOS flash diskette into the diskette drive.
8. Restart the server.
9. When POST starts, select 1 - Update POST/BIOS from the menu that
contains various flash (update) options.
type N.
Attention:
Do not restart or turn off the server until the update is completed.
page.
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Chapter 5. Diagnostics
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