TX100 S3 Upgrade and Maintenance Manual 179
Expansion cards and backup units
9.3.3 Removing a BBU
V CAUTION!
Do not throw battery backup units into the trash can. Batteries must be
disposed of in accordance with local regulations concerning special
waste.
For further safety information, please refer to section "Environmental
protection" on page 38.
9.3.3.1 Required tools
● Preliminary and concluding steps: tool-less
● Removing a BBU: tool-less
9.3.3.2 Preliminary steps
Before removing a BBU, 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.
Upgrade and Repair Units (URU)
Average task duration: 5 minutes
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