Removing An Option Board - NEC EXPRESS5800/120Lf User Manual

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. Observe the safety and ESD precautions listed under General Information
and Static Precautions at the beginning of this chapter.
2. Prepare your system for upgrade. See Preparing Your System for Upgrade
described earlier in this chapter.
3. Remove the left-hand side access panel as described earlier in this chapter.
4. If you are removing a full-length PCI board remove the fan cover. See
Removing the Fan Cover earlier in this chapter.
5. Perform this step only when a PCI board is being removed in slots 1, 2, and
3 and the external SCSI cable is plugged into the system board. Tag and
disconnect the external SCSI cable connector plugged into the system board
and move it out of the way temporarily.
6. Perform this step only when a PCI board is being removed in slots 5 and 6.
Remove the two screws securing the serial COM2 cable connector assembly
to the rear of the chassis and move it out of the way temporarily. See Figure
4-23.
7. Disconnect any cables attached to the option board you are removing.
8. Remove and save the option board retaining bracket setscrew.
9. Hold the board at each end and carefully rock it back and forth until the edge
connectors pull free. Make sure that you do not scrape the board against
other components.
10. Remove the board from the expansion slot and place it in an antistatic
wrapper. If you are replacing a board, go to "Installing an Option Board"
earlier in this chapter, otherwise continue.
11. Insert an expansion slot connector cover into the vacated slot.
12. Install an expansion slot cover over the vacant slot using the previously
removed setscrew.
13. If applicable, reinstall the fan cover. See Installing the Fan Cover earlier in
this chapter.
14. If applicable, reinstall all components removed earlier in step 5 and step 6.
15. Reinstall the left-hand side access panel on the system chassis. See Installing
the Side Access Panel earlier in this chapter.
16. Plug in the system power cord(s), and turn on the system.
4-28 Upgrading Your System
Expansion slot covers must be installed on all