HP StoreEver 1U User Manual page 16

1. Remove the pins and threaded plates from both ends of each outer rack rail. These pieces
will not be used.
Figure 20 Removing the pins and threaded plates
NOTE:
2. Attach the front mounting plate of each outer rail to the rack using four 10-32 screws in the
previously marked holes in the front vertical mounting columns of the rack.
Figure 21 Attaching the front mounting plate
16 1U Rack Installation
The ends of the rack rails are marked FRONT and REAR for proper orientation.