TX120 S3 Upgrade and Maintenance Manual 197
Expansion cards and backup units
9.3.2 Installing an FBU
V CAUTION!
For further safety information, please refer to "Important information" on
page 37.
9.3.2.1 Required tools
● Preliminary and concluding steps: tool-less
● Installing an FBU: tool-less
● Installing TFM: Phillips PH1 / (+) No.1 screw driver
9.3.2.2 Preliminary steps
Before installing an FBU, perform the following steps:
Ê Disable boot watchdog functionality as described in section "Disabling
SVOM boot watchdog functionality" on page 80.
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.
Ê Open the front cage as described in section "Opening the front cage" on
page 66.
Upgrade and Repair Units (URU)
Average task duration: 5 minutes
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