Preliminary Steps - Fujitsu PRIMERGY RX2520 M1 Upgrade And Maintenance Manual

Front panel and external connectors
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.
V
CAUTION!
For that reason the front panel module and system board must not be
replaced simultaneously! In this case, restoring the system configuration
data on the system board would fail.

13.1.1.1 Preliminary steps

"Disabling or suspending BitLocker functionality" on page 67
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"Disabling SVOM boot watchdog functionality" on page 68
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"Locating the defective server" on page 49
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"Shutting down the server" on page 51
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"Disconnecting power cords" on page 52
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"Getting access to the component" on page 53
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"Removing the fan box" on page 168
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312 Upgrade and Maintenance Manual
RX2520 M1