HP Apollo 4200 Gen9 User Manual page 33

Pull down the front drive cage release latches and use them to completely extend the drive cages out
5.
of the chassis.
Disconnect all system cables secured in the cable management holder from the system board or
6.
controller board, and then release them from the holder.
Press and hold the cable management holder release latch, and then move the holder up.
7.
Operations 33