Removal and replacement procedures  35 
 
 
8.  Loosen the thumbscrews, and lift the mezzanine board from the server. 
 
 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.  
To replace the component, reverse the removal procedure. 
 
Removing the PCI Express mezzanine option 
1.  Power down the server ("Powering down the server" on page 18). 
2.  Extend or remove the server from the rack ("Removing the server from the 
rack" on page 19
). 
3.  Remove the access panel ("Removing the access panel" on page 19
). 
4.  Remove the expansion boards from slots 1 and 2.   
5.  Remove the expansion boards from slots 3 and 4, if installed, to gain access 
to the mezzanine board.