About this task
Attention: 
•  Read 
“Installation Guidelines” on page 45 and “Safety inspection checklist” on page 46 to ensure that you 
work safely.
•  Power off the server and disconnect all power cords for this task.
•  Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static- 
sensitive components in their static-protective packages until installation, and handling these devices with 
an electrostatic-discharge wrist strap or other grounding system.
Watch the procedure 
A video of this procedure is available at YouTube: 
https://www.youtube.com/playlist?list=PLYV5R7hVcs- 
DrpxDWLMfgtXO4O6BVYTim
. 
Procedure
Step 1.  Prepare your server. 
a.  Remove the top cover. See 
“Remove the top cover” on page 212.
b.  Remove all installed drives and fillers (if any) from the drive bays. See 
“Remove a 2.5-inch hot- 
swap drive” on page 99
.
Step 2.  Gently press and hold the tab on the rear hot-swap drive cage as shown and remove the air baffle 
from the rear hot-swap drive cage. 
Figure 24. Air baffle removal
Step 3.  Record the cable connections for 2.5-inch rear drive and then disconnect all cables from the 
backplanes. For information about the backplane cable routing, see 
Chapter 6 “Internal cable 
routing” on page 217.
Chapter 5. Hardware replacement procedures 65