Dell PowerEdge R230 Owner's Manual page 86

Figure 35. Removing and installing the expansion card from the expansion card riser
1. touch point (2)
3. expansion card riser
Figure 36. Removing and installing the expansion card from the expansion card riser
1. PERC card
3. touch point (2)
5. LED connector on the system board
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2. expansion card riser connector
4. expansion card
2. expansion card connector on the riser
4. expansion card riser
6. LED cable