Installing Or Replacing The Microprocessor - Lenovo ThinkServer RD450 User Manual And Hardware Maintenance Manual

7. Touch the static-protective package that contains the new heat sink to any unpainted surface on the
outside of the server. Then, remove the new heat sink from the package.
8. Remove any protective cover that protects the thermal grease on the bottom of the new heat sink. Then,
place the new heat sink on the system board so that the four screws on the new heat sink are aligned
with the corresponding mounting studs on the system board.
9. Install the four screws to secure the new heat sink on the system board. It is recommended that you
carefully install the four screws using the following method to avoid any possible damage to the system
board.
a. Partially tighten screw
it. Do not over-tighten the screws.
b. Partially tighten screw
it. Do not over-tighten the screws.
Figure 89. Installing the screws to secure the heat sink
10. If you are instructed to return the old heat sink, follow all packaging instructions and use any packaging
materials that are supplied to you for shipping.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 165.

Installing or replacing the microprocessor

This topic contains the following information:
• "Installing the second microprocessor" on page 120
• "Replacing the microprocessor" on page 124
Installing the second microprocessor
Attention: Do not open your server or attempt any repair before reading and understanding "Safety information"
on page iii and "Guidelines" on page 59.
Depending on the model, your server might come with one or two microprocessors. For server models with
one microprocessor, the microprocessor is installed in the microprocessor socket 1 and the microprocessor
120
ThinkServer RD450 User Guide and Hardware Maintenance Manual
1 , then firmly tighten screw
2 , then firmly tighten screw
1
4
3 , and then return to screw
4 , and then return to screw
2
3
1 and firmly tighten
2 and firmly tighten