430 Upgrade and Maintenance Manual TX140 S1
System board and components
Ê If BitLocker functionality is used and has been disabled before starting the
maintenance task, re-enable BitLocker as described in section "Enabling
BitLocker functionality" on page 116.
14.2.3 Replacing the UFM board
14.2.3.1 Required tools
● Preliminary and concluding steps:
– combination pliers and flat nose pliers
● Replacing the UFM:
– Phillips PH1 / (+) No. 1 screw driver
14.2.3.2 Preliminary steps
Before replacing the UFM board, perform the following steps:
Ê Disable BitLocker functionality as described in section "Disabling BitLocker
functionality" on page 93.
Ê Disable boot watchdog functionality as described in section "Disabling
SVOM boot watchdog functionality" on page 94.
Ê If applicable, open the rack door as described in section "Opening the rack
door" on page 61.
Ê Locate the desired server as described in section "Locating the defective
server" on page 54.
Ê Shut down the server as described in section "Shutting down the server" on
page 61.
Field Replaceable Units (FRU)
Average hardware task duration: 10 minutes
Average software task duration: 5 minutes
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