164 Upgrade and Maintenance Manual TX100 S3
Expansion cards and backup units
9.2.4 Replacing TFM
9.2.4.1 Required tools
● Preliminary and concluding steps: tool-less
● Replacing an TFM: Phillips PH1 / (+) No.1 screw driver
9.2.4.2 Preliminary steps
Before removing a TFM, perform the following steps:
Ê Shut down the server as described in section "Shutting down the server" on
page 42.
Ê Remove the AC power cord from the cable tie and disconnect it from the
system as described in section "Disconnecting power cord" on page 43.
Ê Bring the server to its horizontal position.
Ê Open the side cover as described in section "Removing the side cover" on
page 45.
9.2.4.3 Removing the defective TFM
Ê Remove the depending expansion card as described in section "Removing
expansion cards" on page 156.
Ê Disconnect the FBU adapter cable as described in section "Disconnecting
the FBU adapter cable from the TFM" on page 183.
Upgrade and Repair Units (URU)
Average task duration: 10 minutes
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