Installing A Motherboard Cmos Battery - Cisco UCS C200 Installation And Service Manual

Chapter 3 Maintaining the Server
S e n d d o c u m e n t c o m m e n t s t o u c s - d o c f e e d b a c k @ c i s c o . c o m

Installing a Motherboard CMOS Battery

There is danger of explosion if the battery is replaced incorrectly. Replace the battery only with the
Warning
same or equivalent type recommended by the manufacturer. Dispose of used batteries according to
the manufacturer's instructions. (Statement 1015)
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 navigate to the page for your server
model and generation:
http://www.cisco.com/en/US/prod/ps10265/ps10493/c-series_part_numbers.html
To install or replace a CMOS battery on the motherboard, follow these steps:
Remove a motherboard CMOS battery:
Step 1
a.
b.
c.
Caution
d.
e.
f.
Step 2 Install a motherboard CMOS battery:
a.
b.
c.
d.
OL-20732-02
Power off the server as described in the
page 3-6.
Disconnect all power cords from the power supplies.
Slide the server out the front of the rack far enough so that you can remove the top cover. You might
have to detach cables from the rear panel to provide clearance.
If you cannot safely view and access the component, remove the server from the rack.
Remove the top cover as described in the
on page 3-8.
Press the battery socket retaining clip toward the chassis wall (see
Lift the battery from the socket. Use needle-nose pliers to grasp the battery if there is not enough
clearance for your fingers.
Press the battery socket retaining clip toward the chassis wall.
Insert the new battery into the socket with the battery's positive (+) marking toward the chassis wall.
Ensure that the retaining clip clicks over the top of the battery.
Replace the top cover.
Replace the server in the rack, replace power cords and any other cables, and then power on the
server by pressing the Power button.
"Shutting Down and Powering Off the Server" section on
"Removing and Replacing the Server Top Cover" section
Cisco UCS C200 Server Installation and Service Guide
Installing or Replacing Components
Figure 3-12).
3-21