194 Upgrade and Maintenance Manual TX100 S3 Core Edition
System board and components
Safety notes
V CAUTION!
● The CMOS battery must be replaced with an identical battery or with
a battery type recommended by the manufacturer.
● Keep lithium batteries away from children.
● Do not throw batteries into the trash can. Lithium batteries must be
disposed of in accordance with local regulations concerning special
waste.
● For further safety information, please refer to section "Environmental
protection" in the PRIMERGY TX100 S3 Core Edition Operating
Manual.
● Ensure to insert the CMOS battery the with the positive pole
facing up!
14.1.1 Required tools
● Preliminary and concluding steps: tool-less
● Main steps: tool-less; recommended: tooth pick
14.1.2 Preliminary steps
Before replacing the CMOS battery, perform the following steps:
Ê Shut down the server as described in section "Shutting down the server" on
page 40.
Ê Remove the AC power cord from the cable tie and disconnect it from the
system as described in section "Disconnecting the power cord" on page 41.
Ê Bring the server to its horizontal position.
Ê Open the side cover as described in section "Removing the side cover" on
page 43.
Ê Remove the HDD cage as described in section "Removing the HDD cage"
on page 60.
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