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System board and components
CAUTION
▶
Before replacing the system board, ask the customer whether TPM
functionality is used.
▶
If the customer is using TPM functionality, remove the TPM from
the old system board and install it on the new system board.
▶
Advise your contact persons that they must provide you with all
recovery keys which belong to the system to restore them in the
TPM later.
Note on system information backup/restore
The common operation panel contains the Chassis ID EPROM that contains
system information like server name and model, housing type, serial number
and manufacturing data. 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.
CAUTION
For that reason the front panel and system board must not be replaced
simultaneously! In this case, restoring the system configuration data on
the system board would fail.
After replacing the system board the backup data is restored from the Chassis
ID board to the new system board.
Note on BIOS settings recovery
For replacing the system board, the BIOS has an automatic restore
function for the BIOS settings. If the BIOS settings could not be restored
after replacing the system board, you must manually change the
settings.
Ensure to note down your current BIOS settings before replacing the
system board.
360
Upgrade and Maintenance Manual
RX4770 M5
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