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Figure 29. 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-Card Installation Guidelines
Your system supports:
• PCI Express Generation 2 and Generation 3 expansion cards.
• Different expansion-card risers for single- and dual-processor configurations. The following table provides the riser
configurations for single- and dual-processor systems:
Table 3. Riser Configuration for Single- and Dual-Processor Systems
Number of Processors
Expansion Card Slots
Riser 1 Riser 2
One
PCIE_G2_X4
iDRAC Ports Card
PCIE_G3_X8
PCIE_G3_X4
PCIE_G3_X4
Two
PCIE_G3_X16
iDRAC Ports Card
PCIE_G3_X8
PCIE_G3_X8
PCIE_G3_X8
NOTE: The expansion-card risers listed in the above table cannot be interchanged between single- and dual-
processor systems.
• Only a three-fourth length GPU card is supported for the PCIe expansion card slot (slot 2) on riser 2.
Use the following table as a guide for installing expansion cards to ensure proper cooling and mechanical fit. The
expansion cards with the highest priority must be installed first using the slot priority indicated. All other expansion
cards must be installed in card priority and slot priority order.
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