Replacement Of System Board - IBM RS/6000 44P 270 Service Manual

9. Remove the processor and memory card bracket by sliding it straight out and
away from the system.
10. Disconnect the power cables from the system board connectors (J5 and J7).
11. Remove the screws that secure the system board to the system unit.
12. Remove the foam air dam and set aside to be replaced later.
13. Slide the system board up to disconnect it from the I/O board.
Attention: Ensure that you do not bend the connector between the system board
14. Carefully remove the system board from the system unit.

Replacement of System Board

1. To replace the system board, perform the removal steps in the reverse order.
2. Carefully connect the system board and I/O board. Hold the system board in place
while inserting the holding screws.
3. Replace the foam air dam.
and the I/O board.
I/O Board
Chapter 9. Removal and Replacement Procedures
System
Board
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