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Cisco UCS B230 Blade Server Installation and Service Note
OL-23811-01
Working Inside the Blade Server
Installing a Motherboard CMOS Battery
The B230 blade server supports the following Cisco component:
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.
Statement1015
To install or replace a motherboard complementary metal-oxide semiconductor (CMOS) battery, follow
these steps:
Step1 Remove a motherboard CMOS battery:
a. Power off the blade, remove it from the chassis, and remove the top cover as described in the
“Removing a Blade Server Cover” section on page 15.
b. Press the battery socket retaining clip away from the chassis wall (see Figure 10).
c. Lift the battery from the socket. Use needle-nose pliers to grasp the battery if there is not enough
clearance for your fingers.
d. Note the orientation of the the battery’s positive (+) marking.
Step2 Install a motherboard CMOS battery:
a. Press the battery socket retaining clip away from the chassis wall.
b. Insert the new battery into the socket with the battery’s positive (+) marking oriented as it was in
step 1d. Ensure that the retaining clip clicks over the top of the battery.
c. Replace the top cover.
d. Replace the server in the chassis and press the Power button to power on the blade.
Supported Components Part Number
CR2032 battery N20-MBLIBATT