Figure 123. Disconnecting cables from the system board assembly
Step 4.  Lift the rear drive cage out of the chassis. 
Figure 124. Hot-swap rear drive cage removal
Step 5.  If the rear backplane is reused, remove the rear backplane. See 
“Remove the 7mm drive 
backplanes” on page 68
.
After you finish
If you are instructed to return the old rear drive cage, follow all packaging instructions and use any packaging 
materials provided.
Install the 7mm rear drive assembly
Use this information to install the rear drive assembly.
About this task
The following illustrates how to install the 7mm rear drive assembly.
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 175