Expansion cards and expansion card riserAn expansion card in the server is an add-on card that can be inserted into an expansion slot onthe system board or riser card to add enhanced functionality to the system through the expansionbus.Note: A System Event Log (SEL) event is logged if an expansion card riser is unsupported ormissing. It does not prevent your system from turning on and no BIOS POST message or F1/F2pause is displayed.Expansion card installation guidelinesYour system supports Generation 1, Generation 2, and Generation 3 cards. The following tableprovides riser configurations for R430 systems:This table describes about the Expansion card slots available on the expansion-card riser.Table 40 Expansion card slots available on the expansion-card riserExpansion-card riserPCIe slot onthe expansion-card riserProcessorconnectionHeight Length LinkwidthSlot widthPCIE_G3_X161 Processor 1 Half Height HalfLengthx16 x162 Processor 1 Half Height HalfLengthx16 x16PCIE_G3_X8 1 Processor 1 Full Height HalfLengthx8 x162 Processor 1 Half Height HalfHeightx8 x16Note: The PCIE_G3_X8 and PCIE_G3_X16 are the two different types of risers supported onR430 systems. You can install an expansion card on the system board only using expansion-card riser.Note: The expansion cards are not hot-swappable.The following table provides a guide for installing expansion cards to ensure proper cooling andmechanical fit. The expansion cards with the highest priority must be installed first using the slotpriority indicated. All other expansion cards must be installed in card priority and slot priority order.This table describes about the Expansion card installation order (Low Profile + Low Profileconfiguration)Table 41 Expansion card installation order (Low Profile + Low Profile configuration)Card priority Card type Slot priority Maximumallowed1 RAID Integrated Storage Integrated Slot 1RAID External Storage 2, 1 12 Infiniband single Port/Dual(Mellanox)2, 1 2Installing and removing system componentsDell PowerEdge R430 Owner's Manual 127
