NEC POWERMATE VP Manual page 124

6-10 Adding Options
If you have any cables connected to the board that you
1.
need to remove, label the connectors. Then disconnect
the cables.
To remove a board from an inside slot in
the desktop, see "Inside Expansion Slots in the
Desktop" following this section.
Remove the screw that secures the board to the support
2.
bracket.
Removing the desktop expansion board screw