Dell PowerVault 770N (Deskside NAS Appliance) - Manual (Page 44)

See the documentation that came with the card for information about its cable connections.
NOTE: If the expansion card you are installing is of a different operating speed as the card already installed on
the same PCI bus, all expansion cards on that bus will operate at the slower speed.
10. Replace the front fan assembly (see " Removing the Front Fan Assembly ").
11. Replace the cover (see " Replacing the Cover ").
Removing an Expansion Card
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of
the components inside the system. See your System Information Guide for complete information about
safety precautions, working inside the computer, and protecting against electrostatic discharge.
1. Open the bezel (see " Removing the Bezel ").
2. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
3. Remove the cover (see " Removing the Cover ").
4. Disconnect all expansion-card cables.
5. Remove the front fan assembly (see " Removing the Front Fan Assembly ").
6. Release the expansion card:
a. Open the expansion-card latch (see Figure 4-14 ).
b. 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.
NOTICE: 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. Reconnect all expansion-card cables.
9. Replace the front fan assembly (see " Replacing the Front Fan Assembly ").
10. Replace the cover (see " Replacing the Cover ").
ERA/O Card
Removing the ERA/O Card
To remove the ERA/O card, perform the following steps.
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of
the components inside the system. See your System Information Guide for complete information about
safety precautions, working inside the computer, and protecting against electrostatic discharge.
CAUTION: Your system has two power supply cables. To reduce the risk of electrical shock, a trained
service technician must disconnect both power supply cables before servicing the system.
NOTE: For more information about setting up and using an ERA/O, see the remote access controller documentation
provided on the documentation CD that came with your system.