IBM 9228 Service Guide - Page 103

Installing the system board

Page 103 highlights

10. Remove the core-chip air baffle. Grasp the handle on the air baffle and lift the air baffle out of the computer. 11. Remove the microprocessors and fan sinks (see "Removing the microprocessor and fan sink" on page 75). 12. Remove the VRM if one is installed. See the User's Guide for the location of the VRM. 13. Remove the DIMM air baffle (see "Removing the DIMM fan assembly" on page 70). 14. Remove the memory modules (see "Removing a DIMM" on page 41). 15. Move the system board retention latch toward the rear of the chassis. 16. Slide the system board toward the front of the chassis to disengage it from the slots in the chassis; then, lift the system board out of the chassis. 17. If you are instructed to return the system board, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you. Installing the system board To install the system board, complete the following steps. System board System board retention latch Figure 61. Installing the system board 1. Position the system board so that it is aligned with the slots in the chassis; then, slide the system board toward the rear of the chassis until it locks securely into place. 2. Slide the system board retention latch toward the front of the chassis. 3. Install the memory modules (see "Installing a DIMM" on page 42). Chapter 4. Removing and replacing computer components 85

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10.
Remove the core-chip air baffle. Grasp the handle on the air baffle and lift the
air baffle out of the computer.
11.
Remove the microprocessors and fan sinks (see “Removing the
microprocessor and fan sink” on page 75).
12.
Remove the VRM if one is installed. See the
User’s Guide
for the location of
the VRM.
13.
Remove the DIMM air baffle (see “Removing the DIMM fan assembly” on page
70).
14.
Remove the memory modules (see “Removing a DIMM” on page 41).
15.
Move the system board retention latch toward the rear of the chassis.
16.
Slide the system board toward the front of the chassis to disengage it from the
slots in the chassis; then, lift the system board out of the chassis.
17.
If you are instructed to return the system board, follow all packaging
instructions, and use any packaging materials for shipping that are supplied to
you.
Installing the system board
To install the system board, complete the following steps.
1.
Position the system board so that it is aligned with the slots in the chassis;
then, slide the system board toward the rear of the chassis until it locks
securely into place.
2.
Slide the system board retention latch toward the front of the chassis.
3.
Install the memory modules (see “Installing a DIMM” on page 42).
System board
retention latch
System board
Figure 61. Installing the system board
Chapter 4. Removing and replacing computer components
85