Dell PowerVault DR4100 - Manual (Page 60)

3. Remove the expansion-card riser 3 and any card(s) installed in the riser.
4. Locate the internal dual SD module installed on the J_IDSDM connector on the system board.
5. If applicable, remove the SD card(s).
6. Holding the tab, pull the dual SD module to remove it from the system board.
7. Replace the expansion-card riser 3 and if applicable, replace the card(s) in the riser.
8. Close the system.
9. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
Figure 30. Removing and Installing the Internal Dual SD Module
1. blue pull tab
2. SD card 1
3. SD card 2 4. dual SD module
5. connector on the system board
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