Hardware options installation 114
10. Remove the system board:
a. Loosen the two system board thumbscrews.
b. Using the system board tray handles, slide the tray forward, and then remove the system board.
11. Remove all power supplies.
12. Remove the two bay power supply backplane:
a. Disconnect all cables connected to the power supply backplane.
Retain all the cables for reconnecting them to the x4 RPS backplane.
b. Remove the two screws securing the backplane to the chassis.
c. Slide the backplane towards the rear of the server, and then lift and remove the backplane.
13. Install the four-bay power supply backplane board:
a. Align the backplane to the pins on the chassis.
b. Slide the backplane towards the front of the server.