90 Upgrade and Maintenance Manual TX120 S3
Basic software procedures
5.2.2 Verifying system information backup / restore
To avoid the loss of non-default settings when replacing the system board, a
backup copy of important system configuration data is automatically stored from
the system board NVRAM to the Chassis ID EPROM. After replacing the
system board the backup data is restored from the Chassis ID board to the new
system board.
In order to verify whether the backup or restore process has been successful,
check the System Event Log (SEL) using the ServerView Operations Manager
(see also section "Viewing and clearing the System Event Log (SEL)" on
page 100).
After replacing the system board
Ê Check the SEL log files as described in section "Viewing and clearing the
System Event Log (SEL)" on page 100 to verify whether the backup data on
the Chassis ID EPROM has been restored to the system board:
Chassis IDPROM: Restore successful
V CAUTION!
There might be a case that the BIOS settings cannot be restored even if
above message was logged after replacing the system board. For
details, please refer to section "Replacing the system board" on
page 346.
After replacing the Chassis ID EPROM
I In case of the PRIMERGY TX120 S3 server, the Chassis ID EPROM is
integrated on the front panel board.
Ê Check the SEL log files as described in section "Viewing and clearing the
System Event Log (SEL)" on page 100 to verify whether a backup copy of
the system board settings has been transferred to the Chassis ID EPROM:
Chassis IDPROM: Backup successful
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