236 Upgrade and Maintenance Manual TX120 S3
Main memory
10.2 Installing memory modules
10.2.1 Required tools
● Preliminary and concluding steps: tool-less
● Installing memory modules: tool-less
10.2.2 Preliminary steps
Before installing a memory module, perform the following steps:
Ê Disable BitLocker functionality as described in section "Disabling BitLocker
functionality" on page 79.
Ê Disable boot watchdog functionality as described in section "Disabling
SVOM boot watchdog functionality" on page 80.
Ê Locate the defective server as described in section "Locating the defective
server" on page 50.
Ê Shut down the defective server as described in section "Shutting down the
server" on page 58.
Ê Disconnect the AC power cord from the system.
Ê Remove the server cover as described in section "Opening the server" on
page 61.
10.2.3 Installing a memory module
Ê Identify the correct memory slot according to the mounting order described
in section "Memory sequence" on page 234.
Upgrade and Repair Units (URU)
Average task duration: 5 minutes
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