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Working Inside the Blade Server
Installing a CMOS Battery
All Cisco UCS blade servers use a CR2032 battery to preserve BIOS settings while the server is not installed in a powered-on chassis.
Cisco supports the industry standard CR2032 battery that is available at most electronics stores.
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.
To install or replace the battery, follow these steps:
Procedure
Step 1
Remove the existing battery:
a) Power off the blade, remove it from the chassis, and remove the top cover.
b) Push the battery socket retaining clip away from the battery.
c) 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 the replacement battery:
a) Push the battery socket retaining clip away from where the battery fits in the housing.
b) Insert the new battery into the socket with the battery's positive (+) marking facing away from the retaining clip. Ensure
that the retaining clip can click over the top of the battery to secure it in the housing.
c) Replace the top cover.
d) Replace the server in the chassis and power on the blade by pressing the Power button.
Removing a CPU and Heat Sink
You will use these procedures to move a CPU from one server to another, to replace a faulty CPU, or to upgrade from one CPU to
another.
The CPU pick and place tool is required to prevent damage to the connection pins between the motherboard
Note
and the CPU. Do not attempt this procedure without the required tool, which is included with each CPU
option kit.
Procedure
Step 1
Unscrew the four captive screws securing the heat sink to the motherboard.
Loosen one screw by a quarter turn, then move to the next screw. Continue loosening until the heat sink can be lifted off.
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