A video of this procedure is available at YouTube: https://www.youtube.com/playlist?list=PLYV5R7hVcs- 
DrpxDWLMfgtXO4O6BVYTim
. 
Procedure
Step 1.  Remove the top cover. See “Remove the top cover” on page 212.
Step 2.  Remove all the installed drives and drive cages from the drive bays. See 
“Remove a hot-swap 
EDSFF drive” on page 102
.
Step 3.  Remove the backplane from the chassis. 
Figure 22. Removal of backplane for 16 EDSFF drives
a. 
Loosen the screw.
b. 
Slightly slide the backplane as shown and then lift it up.
Step 4.  Disconnect the cables from the backplane. See
Chapter 6 “Internal cable routing” on page 217.
After you finish
If you are instructed to return the old backplane, follow all packaging instructions and use any packaging 
materials provided.
Install the front 16-EDSFF drive backplane
Use this information to install the backplane for front 16 EDSFF drives.
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.
Chapter 5. Hardware replacement procedures 63