Lenovo 3822, 3821, 3719, 3823 manual Removing a microprocessor retention module

Removing a microprocessor retention module

To remove a microprocessor retention module, complete the following steps:

1.Read the safety information that begins on page 5.

2.Turn off the server and all attached devices; then, disconnect all power cords and external cables.

3.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.

4.Unlock and remove the side cover (see “Removing the left-side cover” on page 157).

5.Remove the power supply or power supplies from the power-supply cage (see “Removing a hot-swap power supply” on page 174).

6.Rotate the power-supply cage to its open position (see “Opening the power-supply cage” on page 158).

7.Remove the air baffle (see “Removing the air baffle” on page 169).

8.Remove the heat sink and the microprocessor (see “Removing a microprocessor and heat sink” on page 218).

9.Using a T8 Torx screwdriver, remove the four screws that secure the microprocessor retention module to the system board; then, lift the microprocessor retention module from the system board.

10.If you are instructed to return the microprocessor retention module, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

Chapter 7. Installing optional devices and replacing customer replaceable units 229