Dell EMC XC Core XC650 - Expansion Cards and Risers

Next steps
1. If removed, install the air shroud.
2. Follow the procedure listed in the 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 54. Expansion card slot connectors
1.
Riser 4 slot 2. Riser 3 slot
3. Riser 2 slot 4. Riser 1 slot
Table 25. Expansion card risers
Expansion card
riser
PCIe slots on the
riser
No. of slots Processor
connection
height length Slot
width
R2a (Riser 2) Slot 1
2
Processor 1 Low profile Half length x16
Slot 2 Processor 2 Low profile Half length x16
R3a (Riser 3) Slot 3 1 Processor 2 Low profile Half length x16
R1d (Paddle card) Slot 1 1 Processor 1 Low profile Half length x16
Installing and removing system components 69