Figure 27. Replacing the Internal USB Key1. USB memory key connector2. USB memory keyExpansion Cards And Expansion-Card RisersNOTE: A missing or an unsupported expansion-card riser logs an SEL event. It does not prevent your system frompowering on and no BIOS POST message or F1/F2 pause is displayed.Expansion-Card Installation GuidelinesYour 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 theriser configurations for single- and dual-processor systems:Table 3. Riser Configuration for Single- and Dual-Processor SystemsNumber of Processors Expansion Card SlotsRiser 1 Riser 2One PCIE_G2_X4iDRAC Ports CardPCIE_G3_X8PCIE_G3_X4PCIE_G3_X4Two PCIE_G3_X16iDRAC Ports CardPCIE_G3_X8PCIE_G3_X8PCIE_G3_X8NOTE: 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. Theexpansion cards with the highest priority must be installed first using the slot priority indicated. All other expansioncards must be installed in card priority and slot priority order.57
