BX924 S4 Upgrade and Maintenance Manual 265
System board components
10.5.2 Preliminary steps
Before replacing the system board, perform the following steps:
Ê Disable BitLocker functionality as described in section "Disabling BitLocker
functionality" on page 66.
Ê Disable boot watchdog functionality as described in section "Disabling boot
watchdog functionality" on page 67.
Ê If applicable, open the rack door as described in section "Opening the rack
door" on page 51.
Ê Locate the desired server blade as described in section "Locating the
defective server blade" on page 43.
Ê Shut down the server blade as described in section "Shutting down the
server blade" on page 52.
Ê Remove the server blade from the rack as described in section "Removing
the server blade from the system unit" on page 54.
Ê Open the server blade as described in section "Opening the server blade"
on page 55.
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