IBM eServer xSeries 235 Type 8671 Option Installation Manual page 58

The following illustration is a simplified layout of the microprocessor connector
locations and other microprocessor-related components on the system board.
Attention:
board. The 533 MHz system board is identified as shown in the following
illustration; the 400 MHz system board is not marked.
VRM 2 (J1)
Microprocessor 2 (U9)
Microprocessor 1 (U13)
VRM 1 (J17)
Note: For additional illustrations of the system-board components, see
Complete the following steps to install an additional microprocessor:
46
IBM xSeries 235 Type 8671: Option Installation Guide
The speed of the microprocessor must match the speed of the system
"System-board option connectors" on page 3.
1. Review the information in "Safety" on page v, "Installation Guidelines" on
page 9, and "Handling static-sensitive devices" on page 10.
2. Turn off the server and disconnect all power cords and external cables
("Turning off the server" on page 12); then, remove the server cover (see
"Removing the server left-side cover and bezel (tower model)" on page 15 or
"Removing the server top cover and bezel (rack configuration)" on page 17).
3. Open the cover on the air-baffle assembly. (See the illustration following step 3
on page 44, if needed.)
Note: It is not necessary to remove the air-baffle assembly to perform this
step.
4. Locate the second microprocessor socket (connector U9) on the system board.
5. Remove the microprocessor baffle from the microprocessor socket.
System board identification
(some models)