Next steps
1. Install the air shroud.
2. Follow the procedure listed in the After working inside the system.
Expansion cards and expansion card risers
NOTE: A system event entry is logged in the iDRAC Lifecycle Controller if an expansion card riser is not supported or
missing. It does not prevent your system from turning on. However, if a F1/F2 pause occurs with an error message,
see Troubleshooting expansion cards section in the Dell EMC PowerEdge Servers Troubleshooting Guide at www.dell.com/
poweredgemanuals.
Expansion card installation guidelines
Figure 77. Expansion card slot connectors
1. SIG_PWR_0 (Riser power cable for Riser 1A and Riser 1B)
2. SL6_CPU2_PB3 (PCIe cable connector for Riser 1A and Riser 1B)
3. SL5_CP2_PA1 (PCIe cable connector for Riser 1B )
4. SL7_CPU1_PA4 (PCIe cable connector for Riser 1A and Riser 1B)
5. SL8_CPU1_PB4 (PCIe cable connector for Riser 1A and Riser 1B)
The following table describes the expansion card riser configurations:
Table 28. Expansion card riser configurations 
Configuratio
ns
Expansion
card risers
PCIe Slots Controlling
processor
Height Length Slot width Power
Config0. R1A 3 Processor 1 Low profile Half length x16 75 W
Installing and removing system components 81