HPE ProLiant ML350

Power supply backplane
CAUTION:
To prevent improper cooling and thermal damage, do not operate the server unless all bays are
populated with either a component or a blank.
To remove the component:
1. Do one of the following:
• For tower models, open and remove the tower bezel.
• For rack models, if installed, remove the security bezel.
2. Power down the server.
3. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server .
4. Do one of the following:
• For tower models, place the server on a flat, level surface with the access panel facing up.
• For rack models, extend the server from the rack.
5. Remove the access panel.
6. Remove the air baffle.
7. Remove the fan cage.
8. Disconnect all cables from the system board.
9. Remove the system board:
a. Loosen the two system board screws.
b. Using the system board tray handles, slide the tray forward, and then remove the system board.
10. Remove all power supplies.
11. Remove the power supply backplane:
a. Disconnect all the cables connected to the power supply backplane.
b. Remove the screws securing the backplane to the chassis.
c. Slide the backplane towards the rear of the server, and then lift and remove the backplane.
• Two-bay power supply backplane
Power supply backplane 41