Dell PowerEdge R820, Owner'S Manual

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8. Close the system.
9. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
10. Enter the System Setup and verify that the USB key is detected by the system.
Figure 24. Replacing the Internal USB Key
1. USB memory key connector
2. USB memory key
Expansion Cards And Expansion-Card Risers
NOTE: A missing or an unsupported expansion-card riser logs an SEL event. It does not prevent your system from
powering on and no BIOS POST message or F1/F2 pause is displayed.
Expansion Cards Installation Guidelines
The following PCI Express Generation 3 expansion cards are supported.
Riser PCIe Slot Processor Connection Height Length Link Width Slot Width
1 1 Processor 2 Full Height Half Length x16 x16
1 2 Processor 2 Full Height Half Length x8 x16
2 3 Processor 1 Low Profile Half Length x8 x16
2 4 Processor 2 Low Profile Half Length x8 x16
2 5 Processor 2 Low Profile Half Length x8 x16
3 6 Processor 1 Full Height Half Length x16 x16
3 7 Processor 1 Full Height Half Length x8 x8
NOTE: To use the PCIe slots 1 ,2, 4, and 5 on the risers, processors 1 and 2 must be installed.
NOTE: The expansion-card slots are not hot-swappable.
The following table provides guidelines for installing expansion cards to ensure proper cooling and mechanical fit. The
expansion cards with the highest priority should be installed first using the slot priority indicated. All other expansion
cards should be installed in card priority and slot priority order.
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