Chapter 3 Maintaining the Server
Installing or Replacing Server Components
Replacing CPUs and Heatsinks
The server supports up to four
•The minimum configuration is two CPUs (CPU1 and CPU2).
•The server must have either two or four CPUs to operate; you should populate CPU1 and CPU2 first, and then populate CPU3 and CPU4.
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 C420
–Intel CPU
•Scenario
–Heat sink
–Heat sink cleaning kit
–Intel CPU
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.
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