IBM 391, 387 Lifting the handle to open the microprocessor retainer, ThinkServer User Guide

CAUTION:

The heat sink and fan assembly and the microprocessor might be very hot. Turn off the server and wait three to five minutes to let the server cool before removing the server cover.

Before you begin, print all the related instructions or ensure that you can view the PDF version on another computer for reference.

To replace the microprocessor, do the following:

1.Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the server.

2.Remove the server cover. See “Removing the server cover” on page 85.

3.Lay the server on its side for easier operation.

4.Remove the heat sink and fan assembly. See “Replacing the heat sink and fan assembly” on page 154.

5.Gently press down the small handle on the microprocessor socket and then pull the handle a little bit outward to release it from the secured position. Then, pivot the handle upward until the handle and the microprocessor retainer are in the fully open position.

Note: Your microprocessor and socket might look different from the one illustrated.

Figure 92. Lifting the handle to open the microprocessor retainer

158ThinkServer User Guide