Chapter
Installing CPUs and Heatsinks
The qualified and supported part numbers for this component are subject to change over time. For the most
http://www.cisco.com/en/US/products/ps10493/products_data_sheets_list.html
This section contains the following topics:
•Additional
•CPU Replacement Procedure, page
Additional
When a return material authorization (RMA) of the motherboard or CPU is done on a Cisco UCS
•Scenario
–Heat sink cleaning kit
–Thermal grease kit for C210
•Scenario
–Heat sink
–Heat sink cleaning kit
A CPU heatsink cleaning kit is good for up to four CPU and heatsink cleanings. The cleaning kit contains two bottles of solution, one to clean the CPU and heatsink of old thermal interface material and the other to prepare the surface of the heatsink.
New heatsink spares have preinstalled thermal interface material covered by a small sheet of plastic. It is important to clean the old thermal interface material off of the CPU prior to installing the heatsinks. Therefore, when ordering new heatsinks it is still necessary to order the heatsink cleaning kit at a minimum.
CPU Replacement Procedure
To install or replace a CPU and heatsink, follow these steps:
Step 1 Remove an existing CPU and heatsink:
a.Power off the server as described in the “Shutting Down and Powering Off the Server” section on page
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
e.Remove the air duct that sits over the CPUs and set it aside. To remove the duct, depress the plastic latch on each end of the duct to disengage it from the chassis standoff posts.
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