180 Upgrade and Maintenance Manual TX120 S3
Expansion cards and backup units
9.2.2 Removing expansion cards
9.2.2.1 Required tools
● Preliminary and concluding steps: tool-less
● Removing expansion cards: tool-less
9.2.2.2 Preliminary steps
Before removing an expansion card, perform the following steps:
Ê Locate the defective server as described in section "Locating the defective
server" on page 50.
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 Shut down the server as described in section "Shutting down the server" on
page 58.
Ê Disconnect the AC power cord from the system.
Ê If applicable, disconnect external cables to the expansion card.
Ê Remove the server cover as described in section "Opening the server" on
page 61.
Upgrade and Repair Units (URU)
Average task duration: 5 minutes
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