IBM THINKCENTER 8189 - Manual (Page 69)

Types 8189, 8190, 8194, 8195, 8196, 8197, 8415, 8432, and 8433
4. Remove the memory modules from the system board. Refer to “Replacing
memory (all machine types)” on page 38.
5. Remove the microprocessor from the system board. Refer to “Replacing a
microprocessor (all machine types)” on page 59.
To replace the system board:
1. Install the microprocessor on the new system board. Refer to “Replacing a
microprocessor (all machine types)” on page 59.
2. Install the memory modules on the new system board. Refer to “Replacing
memory (all machine types)” on page 38.
3. Place the new the system board into the chassis and install the screws that
secure the system board to the chassis.
4. Reconnect all cables that connect to the system board. Refer to “Identifying
parts on the system board (all machine types)” on page 38.
5. Go to “Replacing the cover and connecting the cables.”
Replacing the cover and connecting the cables
Types 8185, 8186, 8192, 8413, and 8430
After replacing FRUs, you need to install any removed parts, replace the cover, and
reconnect cables, including telephone lines and power cords. Also, depending on
the option that is installed, you might need to confirm the updated information in
the IBM Setup Utility program.
To replace the cover and connect cables to the computer:
1. Ensure that all components have been reassembled correctly and that no tools
or loose screws are left inside the computer.
2. Clear any cables that might impede the replacement of the cover.
Chapter 6. Replacing FRUs 63