Lenovo RD540 Installing or replacing the microprocessor, Installing the second microprocessor

10.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 1 , then firmly tighten screw it. Do not over-tighten the screws.

b.Partially tighten screw 2 , then firmly tighten screw it. Do not over-tighten the screws.

3 , and then return to screw

4 , and then return to screw

1

2

and firmly tighten

and firmly tighten

Figure 66. Installing the screws to secure the heat sink

11.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 154.

Installing or replacing the microprocessor

This topic provides instructions on how to install or replace the microprocessor.

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 67.

This topic provides instructions on how to install the second microprocessor.

Chapter 6. Installing, removing, or replacing hardware 107