220
Upgrade and Maintenance Manual
BX920
S4
System board components
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1.
fm
10.2.2 Removing the UFM
10.2.2.1 Required tools
●
Preliminary and concluding steps: tool-less
●
Removing the UFM:
– Phillips PH1 / (+) No. 1 screw driver
10.2.2.2 Preliminary steps
Before removing the UFM, perform the following steps:
Ê
Disable BitLocker functionality as described in section
Ê
Disable boot watchdog functionality as described in section
watchdog functionality" on page 67
Ê
If applicable, open the rack door as described in section
.
Ê
Locate the desired server blade as described in section
defective server blade" on page 45
Ê
Shut down the server blade as described in section
.
Ê
Remove the server blade from the system unit as described in section
"Removing the server blade from the system unit" on page 55
Ê
Open the server blade as described in section
Field Replaceable Units (FRU)
Average hardware task duration: 5 minutes
Average software task duration: 5 minutes