Dell PowerEdge EL Owner's Manual page 73

Figure 36. Identifying Connectors on the Expansion Card Riser 2
1. chassis intrusion switch
2. expansion-card slot 4
3. expansion-card slot 5
4. power connector (for GPU cards)
Figure 37. Removing and Installing the Expansion Card Riser 3
1. riser guide–front
2. power connector (for GPU cards)
3. expansion-card riser 3
4. expansion-card riser 3 connector
5. riser guide–back
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