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The flash memory of the server consists of a primary page and a backup page. The
backup page is a protected area that cannot be overwritten. The recovery boot
block is a section of code in this protected area that enables the server to start up
and to read a recovery diskette. The recovery utility recovers the system BIOS code
from the BIOS recovery files on the diskette.
To recover the BIOS code and restore the server operation to the primary page,
complete the following steps:
10. When prompted to choose a language, select a language (from 0 to 7), and
11. Remove the BIOS recovery diskette from the diskette drive.
12. Turn off the server, and disconnect all power cords and external cables; then,
13. Move the BIOS recovery jumper back to pins 1 and 2 to return to normal
14. Reconnect all external cables and power cords, and turn on the peripheral
15. Restart the server.
System event/error log messages
A system event/error log is generated only if a Remote Supervisor Adapter II
SlimLine is installed. The system-error log can contain three types of messages:
Information
Warning
Error
Each message contains date and time information, and it indicates the source of
the message (POST/BIOS or the service processor).
68
IBM System x3655 Type 7985 and 7943: Problem Determination and Service Guide
1. Read the safety information that begins on page vii and "Handling
static-sensitive devices" on page 107.
2. Turn off the server and peripheral devices and disconnect all external cables
and power cords; then, remove the cover.
3. Locate the BIOS recovery jumper (J35) on the system board.
(see "System-board jumpers" on page 15).
4. Move the jumper from pins 1 and 2 to pins 2 and 3 to enable the BIOS
recovery mode.
5. Insert the BIOS recovery diskette into the diskette drive.
6. Reinstall the server cover; then, reconnect all power cords.
7. Restart the server. The power-on self test (POST) starts.
8. Select 1 - Update POST/BIOS from the menu that contains various flash
update options.
9. When prompted as to whether you want to save the current code to a diskette,
press N.
press Enter.
remove the server cover.
startup mode.
devices; then, reinstall the server cover.
Information messages do not require action; they record significant
system-level events, such as when the server is started.
Warning messages do not require immediate action; they indicate
possible problems, such as when the recommended maximum
ambient temperature is exceeded.
Error messages might require action; they indicate system errors,
such as when a fan is not detected.
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