NEC POWERMATE VP Manual page 128

6-14 Adding Options
Hold the board by its edges, component side down and
4.
the bracket end facing the rear of the unit, and insert it
into the expansion slot.
Press the board firmly into the expansion slot connec-
tor. You might have to gently rock the board from side-
to-side to seat it into the connector.
Insert the screw at the rear of the system to secure the
5.
board in place.
Attaching the L-bracket