Cpu Replacement Procedure - Cisco UCS C240 Installation And Service Manual

Installing or Replacing Server Components

CPU Replacement Procedure

CPUs and their motherboard sockets are fragile and must be handled with care to avoid damaging pins
Caution
during installation. The CPUs must be installed with heatsinks and their thermal pads to ensure proper
cooling. Failure to install a CPU correctly might result in damage to the server.
The Pick-and-Place tools used in this procedure are required to prevent damage to the contact pins
Caution
between the motherboard and the CPU. Do not attempt this procedure without the required tools, which
are included with each CPU option kit. If you do not have the tool, you can order a spare: Cisco PID
UCS-CPU-EP-PNP= for 10-, 8-, 6-, 4-, or 2-core CPUs (green); UCS-CPU-EP2-PNP= for v2 12-core
CPUs (purple).
To install or replace a CPU heatsink and CPU, follow these steps:
Remove the CPU and heatsink that you are replacing:
Step 1
a.
b.
If you cannot safely view and access the component, remove the server from the rack.
Caution
c.
d.
Note
e.
f.
Cisco UCS C240 Server Installation and Service Guide
3-30
Power off the server as described in the
page 3-7.
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.
Remove the top cover as described in
page 3-8.
Use a Number 2 Phillips-head screwdriver to loosen the four captive screws that secure the heatsink
and then lift it off of the CPU.
Alternate loosening each screw evenly to avoid damaging the heatsink or CPU.
Unclip the first CPU retaining latch labeled with the
latch labeled with the
Open the hinged CPU cover plate.
"Shutting Down and Powering Off the Server" section on
"Removing and Replacing the Server Top Cover" section on
icon. See Figure 3-15.
Chapter 3 Maintaining the Server
icon, then unclip the second retaining
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