Cisco UCS C460 Installation And Service Guide

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Cisco UCS C460 Server Installation and Service Guide
OL-22326-01
Chapter 3 Maintaining the Server
Installing or Replacing Server Components
Replacing the Motherboard CMOS Battery
Warning There is danger of explosion if the battery is replaced incorrectly. Replace the battery only with the
same or equivalent type recommended by the manufacturer. Dispose of used batteries according to
the manufacturer’s instructions.

Statement 1015
The CMOS battery retains system settings when the server is disconnected from power.
The qualified and supported part numbers for this component are subject to change over time. For the most
up-to-date list of replaceable components, see the following URL and then scroll to Technical Specifications:
http://www.cisco.com/en/US/products/ps10493/products_data_sheets_list.html
To replace or install the motherboard CMOS battery, follow these steps:
Step 1 Remove the CMOS battery. See Figure 3-12:
a. Power off the server as described in the “Shutting Down and Powering Off the Server” section on
page 3-6.
b. Slide the server out the front of the rack far enough so that you can remove the top cover.
Note You might have to detach cables from the rear panel to provide clearance.
Caution If you cannot safely view and access the component, remove the server from the rack.
c. Remove the top cover as described in “Removing and Replacing the Server Top Cover” section on
page 3-7.
d. Remove the I/O riser to provide clearance. See Replacing the I/O Riser, page 3-12.
e. Locate the CMOS battery.
f. Bend the battery retaining clip away from the chassis wall and pull the battery from the socket.
Step 2 Install a CMOS battery:
a. Bend the retaining clip away from the chassis wall and insert the battery in the socket.
Note The positive side of the battery marked “+” should face the chassis wall.
b. Push the battery into the socket until it is fully seated.
Note Ensure that the retaining clip clicks over the top of the battery.
c. Replace the I/O riser. See Replacing the I/O Riser, page 3-12.
d. Replace the top cover.
e. Replace the server in the rack, replace cables, and then power on the server by pressing the Power
button.

Cisco UCS C460 Specifications

General

Brand	Cisco
Model	UCS C460
Category	Server
Language	English