14.2 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 further safety information, please refer to section "Environmental 
protection" in the operating manual of your server.
●
Ensure to insert the CMOS battery with the positive pole facing 
up!
14.2.1 Preliminary steps
Ê "Locating the defective server" on page 51
Ê "Shutting down the server" on page 53
Ê "Disconnecting power cords" on page 54
Ê  "Getting access to the component" on page 55
Upgrade and Repair Unit
(URU)
Hardware: 5 minutes
Tools: tool-less; recommended: tooth pick