4. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
5. Disconnect all peripheral cables from the server.
6. Remove the server from the rack.
7. Place the server on a flat, level work surface.
8. Remove the access panel.
9. Disconnect the boot device signal and power cables from the system board .
10. Remove the HPE NS204i-u Boot Device riser cage:
a. Release the half-turn spring latch (callouts 1 and 2).
b. Lift the riser cage off the system board (callout 3).