Dell EMC XC Core XC450

Next steps
1. Replace the air shroud.
2. Follow the procedure listed in After working inside your 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 https://
www.dell.com/poweredgemanuals.
Expansion card installation guidelines
Figure 53. Expansion card slot connectors
1. Riser 2C (Slot 3)
2. Riser 1 (Slot 1)
The following table describes the expansion card riser configurations:
Table 13. Expansion card riser configurations
Configurations Expansion card
risers
PCIe Slots Controlling
processor
Height Length Slot width
Config0. with 1x
LP
R1 1 Processor 1 Low Profile Half length x16
Config1. with 2x
LP
R1 1 Processor 1 Low Profile Half length x16
R2c 3 Processor 2 Low Profile Half length x16
Config2. with 1x
LP
R1 1 Processor 1 Low Profile Half length x16
56 Installing and removing system components