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CMOS battery
The real-time clock is powered by a lithium coin cell (CMOS battery) when
mains get lost. This cell lasts up to five years, depending on ambient
temperature and use.
If the CMOS battery is depleted or falls below minimum voltage levels, it
need to be replaced immediately.
13.3
CMOS battery
13.3.1
Replacing the CMOS battery
Upgrade and Repair Unit
(URU)
Hardware: 5 minutes
Tools:
tool-less; recommended: tooth pick
For this server the battery type CR2032 is used.
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 "Environmental protection" in the
operating manual of your server.
▶
Ensure to insert the CMOS battery with the positive pole facing
up!
Preliminary steps
▶
"Locating the defective server" on page 37
.
▶
"Verifying the system time settings" on page 70
System board and components
192
Upgrade and Maintenance Manual
RX2450 M1
Summary of Contents for PRIMERGY RX2450 M1
Page 14: ...Content Upgrade and Maintenance Manual RX2450 M1 ...
Page 82: ...Power supply unit PSU 82 Upgrade and Maintenance Manual RX2450 M1 ...
Page 156: ...Expansion cards and riser cards 156 Upgrade and Maintenance Manual RX2450 M1 ...
Page 166: ...Main memory 166 Upgrade and Maintenance Manual RX2450 M1 ...
Page 190: ... Switching on the server on page 49 Front panel 190 Upgrade and Maintenance Manual RX2450 M1 ...
Page 218: ...Appendix A 218 Upgrade and Maintenance Manual RX2450 M1 ...
Page 222: ......