• Do not allow the thermal grease on the microprocessor and heat sink to come in contact with anything.
Contact with any surface can compromise the thermal grease and the microprocessor socket.
• Dropping the microprocessor during installation or removal can damage the contacts.
• Do not touch the microprocessor contacts; handle the microprocessor by the edges only. Contaminants
on the microprocessor contacts, such as oil from your skin, can cause connection failures between
the contacts and the socket.
• Do not remove the first microprocessor from the system board to install the second microprocessor.
• To order an additional optional microprocessor, contact your Lenovo sales representative or Lenovo
reseller.
Note:
Be sure to use the installation tool that comes with your microprocessor installation tool assembly.
The tools are similar in function and design, however Tool A has one setting for installing one size of
microprocessor, and supports the following families of microprocessors: E5-26xx, E5-46xx. Installation Tool
B has two settings for installing two different sizes of microprocessors. The settings that are marked on Tool
B are “L” for smaller low core microprocessors, and “H” for larger high core microprocessors. Installation
Tool B supports the following families of microprocessors: E5-26xx, E5-46xx, E5-26xx v2, E5-46xx v2.
Microprocessor Installation Tools A and B are shown in the following illustration.
H
Installation tool
Installation tool
Microprocessor
Microprocessor
Cover
Microprocessor Installation Tool A
Microprocessor Installation Tool B
Figure 191. Microprocessor installation tools
To remove a microprocessor and heat sink, complete the following steps.
Step 1.
Carefully turn the server on its side so that it is lying flat, with the cover facing up.
Attention:
Do not allow the server to fall over.
Step 2.
Unlock and remove the left-side cover (see “Removing the left-side cover” on page 182).
Step 3.
Remove the air baffle (see “Removing the air baffle” on page 188).
Removing and replacing components
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