IBM xSeries 100, Problem Determination And Service Manual

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To remove the power supply, complete the following steps.
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 55.
2. Turn off the server and all peripheral devices; then, disconnect the power cords
and all external cables.
3. Remove the cover (see “Removing the cover” on page 57).
Note: It might be helpful to lay the computer on its right side for the remainder
of this procedure.
4. Disconnect the cables from the power supply to the system board and all
internal components.
5. To provide extra space for the power supply removal, use the following
procedure:
v
Slide the drives in bay 1 and bay 2 (if any are installed) forward slightly (see
“Removing a drive in bay 1, 2, or 3” on page 68 for more information). It is
not necessary to remove these drives.
v Remove the microprocessor fan sink (see “Removing the microprocessor and
fan sink” on page 83). It is not necessary to remove the microprocessor.
v
Remove any DIMMs in DIMM slots 3 and 4 (see “Removing a memory
module” on page 63).
6. Remove the four screws that secure the power supply to the chassis.
7. Slide the power supply toward the front of the chassis until it clears the
mounting bracket; then, tilt the power supply toward the system board and
carefully pull it out of the server.
8. If you are instructed to return the power supply, follow all packaging instructions,
and use any packaging materials for shipping that are supplied to you.
Chapter 4. Removing and replacing server components
81