Power Backplane - IBM 8872 - eServer xSeries 460 Service Manual

Power backplane

To remove the power backplane, complete the following steps:
1. Read the safety information that begins on page vii and "Installation guidelines"
2. Turn off the server and peripheral devices, and disconnect the power cords and
3. Remove the top cover and bezel (see "Top cover and bezel" on page 113).
4. Remove all fans (see "Hot-swap fan" on page 105).
5. Remove the memory cards (see "Removing and replacing a memory card" on
6. Lift the microprocessor-tray release latch, open the microprocessor-tray levers,
7. Remove the power supplies and the power-supply structure (see "Power-supply
8. Remove the screws that secure the power backplane to the chassis and lift the
9. If you are instructed to return the power backplane, follow all packaging
To install the replacement power backplane, complete the following steps:
1. Align the power backplane in the server and secure the power backplane with
2. Install the power-supply structure and the power supplies.
3. Slide the microprocessor tray in the server and close the microprocessor-tray
4. Install the memory cards.
5. Install the fans.
6. Install the top cover and bezel (see "Top cover and bezel" on page 113).
7. Slide the server into the rack.
on page 99.
all external cables necessary to replace the device.
page 108).
and pull the microprocessor tray out of the server slightly (see "Removing and
installing a microprocessor" on page 122).
structure" on page 119).
power backplane out of the server.
instructions, and use any packaging materials for shipping that are supplied to
you.
screws.
levers.
Chapter 4. Removing and replacing server components
129