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Expansion cards and expansion card riser
An expansion card in the server is an add-on card that can be inserted into an expansion slot on
the system board or riser card to add enhanced functionality to the system through the expansion
bus.
Note: A System Event Log (SEL) event is logged if an expansion card riser is unsupported or
missing. It does not prevent your system from turning on and no BIOS POST message or F1/F2
pause is displayed.
Expansion card installation guidelines
Your system supports Generation 1, Generation 2, and Generation 3 cards. The following table
provides 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 riser
Expansion-
card riser PCIe slot on
the expansion-
card riser Processor
connection Height Length Link
width Slot width
PCIE_G3_X1
6 1 Processor 1 Half Height Half
Length x16 x16
2 Processor 1 Half Height Half
Length x16 x16
PCIE_G3_X8 1 Processor 1 Full Height Half
Length x8 x16
2 Processor 1 Half Height Half
Height x8 x16
Note: The PCIE_G3_X8 and PCIE_G3_X16 are the two different types of risers supported on
R430 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 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.
This table describes about the Expansion card installation order (Low P Low Profile
configuration)
Table 41 Expansion card installation order (Low P Low Profile configuration)
Card priority Card type Slot priority Maximum
allowed
1 RAID Integrated Storage Integrated Slot 1
RAID External Storage 2, 1 1
2 Infiniband single Port/Dual
(Mellanox) 2, 1 2
Installing and removing system components
Dell PowerEdge R430 Owner's Manual 127