HP Apollo 4200 Gen9 User Manual page 64

Connect the 3x2 connector to the riser board.
c.
If you plan to use the Flexible Smart Array P840ar Controller to manage the rear SFF drives, connect
11.
the rear drive cage to the front drive cage 2 backplane:
Release the preinstalled Mini-SAS x4 cable from the system board cable clips.
a.
Remove the plastic cover from the released Mini-SAS x4 cable.
b.
Hardware options installation 64