Removal and replacement procedures  44 
4. 
Remove the Onboard Administrator tray. 
 
 
 
CAUTION: For best cooling practices, do not operate the enclosure for extended periods with 
more than one component or blank removed. When removing an active component, replace it 
with a blank. 
 
To replace the component, reverse the removal procedure. 
 
AC input module 
To remove the component: 
1.  Power down the server blades ("Power down the server blades or workstation blades" on page 28). 
2.  Power down the enclosure (on page 29). 
3.  Loosen the two slotted T-15 Torx screws that secure the AC input module. 
4.  Remove the AC input module.