Hardware options installation  57 
 
CAUTION:  To prevent improper cooling and thermal damage, do not operate the server 
unless all expansion slots have either an expansion slot cover or an expansion board 
installed. 
 
1.  Power down the server (on page 25). 
2.  Extend the server from the rack (on page 25). 
3.  Remove the access panel (on page 26). 
4.  Remove the shipping screw. 
 
5.  Open the expansion board retainer.