172
Upgrade and Maintenance Manual
BX920
S4
Main memory
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8.2
Installing memory modules
8.2.1
Required tools
●
Preliminary and concluding steps: tool-less
●
Installing memory modules: tool-less
8.2.2
Preliminary steps
Before installing a memory module, 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 defective 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
Ê
If applicable, remove the air cowls as described in section
.
Upgrade and Repair Units (URU)
Average hardware task duration: 15 minutes
Average software task duration: 5 minutes