Dell 745N Computer Hardware User Manual


 
64 Installing System Components
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Removing an Expansion Card
CAUTION: See your System Information Guide for complete information about safety precautions,
working inside the computer, and protecting against electrostatic discharge.
1
Open the system. See "Opening the System" in Troubleshooting Your System."
2
If you are removing a remote access controller card, remove the daughter card. See "Removing
a Daughter Card."
3
Disconnect any internal or external cable(s) that are connected to the expansion card.
4
Remove the expansion-card retainer adjacent to the PCI slots using your index finger and
pulling upwards. See Figure 6-7.
5
Grasp the expansion card and carefully pull it away from the riser-board connector.
6
If you are permanently removing the card, replace the metal filler bracket over the empty
card-slot opening.
NOTE: Filler brackets must be installed over empty expansion-card slots to maintain 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.
7
Replace the expansion-card retainer.
8
Replace the daughter card if it was removed. See "Installing a Daughter Card."
9
Close the system. See "Closing the System" in "Troubleshooting Your System."
Riser Board
The riser board provides two expansion-card slots.
Removing the Riser Board
CAUTION: See your System Information Guide for complete information about safety precautions,
working inside the computer, and protecting against electrostatic discharge.
1
Open the system. See "Opening the System" in Troubleshooting Your System."
2
Remove any expansion card(s). See "Installing and Removing a CERC SATA RAID
Controller."
3
Loosen the two captive screws that secure the riser board to the system board. See
Figure 6-10.
4
From the back of the system, slide the riser board to the right to disconnect the riser board
from the system board, and lift the riser board out of the chassis.
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