NEC POWERMATE ES 5200 Manual page 173

Removing a slot cover — minitower
A – Screw
B – Locking Bracket
8. Holding the expansion board by its edges or its bracket,
insert the board into the expansion slot (see the following
figure).
9. Press the board firmly into the expansion board connector
on the riser board.
10. Position the locking bracket in its slot, then press it up
against the top of the expansion slot frame, locking the
board in place.
11. Secure the bracket in place with the previously removed
screw.
5-58 Installing Options
C – Slot Cover