The following illustration shows the location of the microprocessor connectors and
VRM connectors:
12 3
4
Microprocessor 3
VRM connector
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
lever
Microprocessor-tray
lever
Microprocessor-tray
retention latch
(both sides of tray)
Air baffle
Microprocessor-tray
release latch
d. Open the microprocessor-tray levers.
44 IBM System x3950 Type 8878 and System x3950 E Type 8879: User’s Guide