Installing An Option Board - NEC EXPRESS5800/120Le User Manual

Installing an Option Board

1. Power off the system and ensure it is disconnected from the AC power
source.
2. Open and remove the front door and remove the left side panel as described
earlier in this chapter.
3. Remove and save the expansion slot screw and cover. See Figure 4-20.
Figure 4-20. Removing the Expansion Slot Screw and Cover
Observe static precautions. Use an antistatic wrist strap.
4. Remove the option board from its protective wrapper, holding the board
only by the edges. Do not touch the board components or the gold
connectors.
5. Record the option board serial number in the equipment log.
6. Set any board jumpers or switches as described in the documentation that
comes with the option board.
7. Holding the board by its top edge or upper corners, firmly press the board
into an expansion slot on the system board. The tapered foot of the option
board retaining bracket must fit into the mating slot in the expansion slot.
See Figure 4-21.
! CAUTION
Upgrading Your System 4-21