Removal and replacement procedures 56
CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless
all PCI slots have either an expansion slot cover or an expansion board installed.
To remove the component:
1. Power down the server (on page 29).
2. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
3. Do one of the following:
o Extend the server from the rack (on page 30).
o Remove the server from the rack (on page 30).
4. Remove the access panel ("Access panel" on page 36).
5. Disconnect all cables connected to existing expansion boards.
6. Remove all expansion boards ("Expansion board" on page 54).
7. Hold the ends of the riser cage and lift up.
8. Remove the screws, then remove the riser board from the cage.