Chapter 3 Maintaining the Server

Installing or Replacing Components

Installing a 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 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 install or replace a CMOS battery on the motherboard, follow these steps:

Step 1 Remove a motherboard CMOS battery:

a.Power off the server as described in the “Shutting Down and Powering Off the Server” section on page 3-7.

b.Disconnect all power cords from the power supplies.

c.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.

Caution If you cannot safely view and access the component, remove the server from the rack.

d.Remove the top cover as described in the “Removing and Replacing the Server Top Cover” section on page 3-9.

e.Press the battery socket retaining clip toward the chassis wall (see Figure 3-19).

f.Lift the battery from the socket. Use needle-nose pliers to grasp the battery if there is not enough clearance for your fingers.

Step 2 Install a motherboard CMOS battery:

a.Press the battery socket retaining clip toward the chassis wall.

b.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.

c.Replace the top cover.

d.Replace the server in the rack, replace power cords and any other cables, and then power on the server by pressing the Power button.

 

Cisco UCS C200 Server Installation and Service Guide

3-30

OL-20732-02

Page 70
Image 70
Cisco Systems UCS C200 M1, R2001120402 manual Installing a Motherboard Cmos Battery