Dell DR4300e Owner's Manual page 104

1. Follow the safety guidelines listed in the Safety instructions section.
2. Follow the procedure listed in the Before working inside your system section.
3. Disconnect any cables connected to the expansion card.
4. Remove the expansion card riser.
NOTE: The expansion card riser 1 can be used only when both the processors are installed.
Steps
1. Press tab A and rotate the latch clockwise.
2. Press tab B and rotate the latch downward.
3. Remove the expansion card from the expansion card riser 1.
4. If you are removing the card permanently, install a metal filler bracket over the empty expansion slot
opening, and then close the expansion card latch.
NOTE: You must install a filler bracket over an empty expansion card 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.
5. Close the latches of tab A and tab B.
Figure 35. Removing an expansion card from expansion card riser 1
1. tab A
3. expansion card connector
5. latch
Next steps
1. Install the expansion card.
2. Install the expansion card riser.
3. Follow the procedure listed in the After working inside your system section.
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2. expansion card riser 1 cage
4. tab B
6. expansion card