Removing An Option Board - NEC EXPRESS5800/120Ld Service Manual

9. Align the rounded notch in the retaining bracket with the threaded hole in
the expansion slot frame. The retaining bracket fits into the space that was
occupied by the expansion slot cover.
10. Reinstall the screw in the threaded hole. Be sure to push the bracket slot up
against the screw before you tighten it. If this is not done, the bracket may
interfere with an adjacent bracket.
11. Connect any external cables (if they are needed) to the installed option
board.
12. Replace the left side panel and the front door.
13. Plug in the system power cord, and power on the system.

Removing an Option Board

Note:
vacant slots to maintain the electromagnetic emissions
characteristics of the system and to assure proper cooling of
the system components.
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. Disconnect any cables attached to the option board you are removing.
4. Remove and save the option board retaining bracket screw.
Figure 4-13. Installing an Option Board
Expansion slot covers must be installed on all
Dissasembly and Reassembly 4-17