IBM 71455DU manual Installing a microprocessor

The following illustration shows the location of the microprocessor connectors and VRM connectors:

Microprocessor 3

VRM connector

1 2 4 3

Microprocessor 4

VRM connector

Installing a microprocessor

To install a microprocessor, complete the following steps:

1.Read the safety information that begins on page v and “Installation guidelines” on page 21.

2.Turn off the server and peripheral devices, and disconnect the power cords. Remove the cover and bezel (see “Removing the cover and bezel” on page 23).

Attention: When you handle static-sensitive devices, take precautions to avoid damage from static electricity. For details about handling these devices, see “Handling static-sensitive devices” on page 23.

3.Remove the microprocessor tray:

a.Remove the fans from the server.

b.Remove the memory cards from the server.

c.Lift the microprocessor-tray release latch.

Microprocessor-tray release latch

Air baffle

Microprocessor-tray lever

Microprocessor-tray retention latch (both sides of tray)

Microprocessor-tray lever

d. Open the microprocessor-tray levers.

44IBM System x3950 Type 8878 and System x3950 E Type 8879: User’s Guide