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RX2520 M4
Upgrade and Maintenance Manual
349
System board and components
15.2 CMOS battery
15.2.1 Replacing the CMOS battery
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 more safety information, see section "Environmental protection"
in the operating manual of your server.
●
Ensure to insert the CMOS battery with the positive pole facing
up!
15.2.1.1 Preliminary steps
Ê
"Locating the defective server" on page 45
Ê
"Shutting down the server" on page 48
Ê
"Disconnecting the power cord" on page 49
Ê
"Getting access to the component" on page 50
Upgrade and Repair Unit
(URU)
Hardware: 5 minutes
Tools:
tool-less; recommended: tooth pick
Summary of Contents for PRIMERGY RX2520 M4
Page 6: ...6 Upgrade and Maintenance Manual RX2520 M4 ...
Page 22: ...Upgrade and Maintenance Manual RX2520 M4 Content ...
Page 98: ...98 Upgrade and Maintenance Manual RX2520 M4 Basic software procedures ...
Page 118: ...118 Upgrade and Maintenance Manual RX2520 M4 Power supply unit PSU ...
Page 194: ...194 Upgrade and Maintenance Manual RX2520 M4 Fans ...
Page 232: ...232 Upgrade and Maintenance Manual RX2520 M4 Expansion cards and backup units ...
Page 310: ...310 Upgrade and Maintenance Manual RX2520 M4 Accessible drives ...
Page 338: ...338 Upgrade and Maintenance Manual RX2520 M4 Front panel ...
Page 410: ...410 Upgrade and Maintenance Manual RX2520 M4 Appendix A ...
Page 412: ...412 Upgrade and Maintenance Manual RX2520 M4 Appendix B ...
Page 451: ...List of all used screws for PRIMERGY Servers Assembled in Germany and Japan January 2017 ...