Removing the power-supply backplane
To remove the power-supply backplane, complete the following steps.
1. Read the safety information that begins on page vii and “Installation guidelines”
on page 95
2. Turn off the server and peripheral devices and disconnect all power cords; then,
remove the cover (see “Removing the cover” on page 98).
3. Disconnect the power supplies from the power-supply backplane (see
“Removing a power supply” on page 120).
4. Disconnect the cable connected to the power-supply backplane.
5. Slide the power-supply backplane to the left, disconnecting it from the system
board.
6. Lift the power-supply backplane to remove it from the server.
Chapter 4. Removing and replacing server components 135