HP ProLiant DL180 Gen9 User Manual page 64

If installed, remove the air scoop from the storage controller/HBA.
6.
For more information, see the documentation that ships with the option.
If you intend to use an FBWC module, install the module on the storage controller. Depending on the
7.
controller model, the cable connector on the cache module might be facing up or down when the
module is installed on the controller board.
Connect the cache module backup power cable to the module.
a.
Install the cache module on the storage controller.
b.
Install the storage controller:
8.
Hardware options installation 64