Dell PowerVault 775N (Rackmount NAS Appliance) - Manual (Page 49)

6. Release the expansion card:
a. Open the expansion-card latch (see Figure 4-12 ).
b. Press the release tab on the card-guide latch (see Figure 4-12 ).
c. Grasp the expansion card by its top corners, and carefully remove it from the expansion-card connector.
7. If you are removing the card permanently, install a metal filler bracket over the empty expansion slot opening and
close the expansion-card latch.
NOTE: You must install a filler bracket over an empty expansion slot to maintain Federal Communications
Commission (FCC) certification of the system. The brackets also keep dust and dirt out of the system and aid in
proper cooling and airflow inside the system.
8. Replace the expansion-card cage (see " Replacing the Expansion-Card Cage ").
9. Reconnect all expansion-card cables.
10. Replace the cover (see " Replacing the Cover ").
Expansion-Card Riser Board
The expansion-card riser board contains three PCI/PCI-X expansion slots and the chassis intrusion switch.
Removing the Expansion-Card Riser Board
CAUTION: Before you perform this procedure, read the safety instructions in your System Information
document.
CAUTION: See "Protecting Against Electrostatic Discharge" in the safety instructions in your System
Information document.
1. Remove the expansion-card cage (see " Removing the Expansion-Card Cage ").
2. Remove all expansion cards (see " Removing an Expansion Card ").
3. Remove the expansion-card riser board (see Figure 4-13 ):
a. Loosen the thumbscrew on the card-guide latch bracket.
b. Rotate the card-guide latch bracket.
c. Loosen the thumbscrew on the riser board.
d. Slide the riser board toward the expansion slot openings about 0.5 inch.
e. Lift the riser board off the expansion-card cage's grounding tabs.
Figure 4-13. Removing and Replacing the Expansion-Card Riser Board