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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
Depending on your system configuration:
The following PCI Express generation 3 expansion cards are supported:
Table 27. Supported expansion cards
Riser PCIe slot Processor
connection
Height Length Link width Slot width
1 1 Processor 2 Low Profile Half Length x8 x16
1 2 Processor 2 Low Profile Half Length x8 x16
1 3 Processor 2 Low Profile Half Length x8 x16
2 4 Processor 2 Full Height Full Length x16 x16
2 5 Processor 1 Full Height Full Length x8 x16
3 (default) 6 Processor 1 Full Height Full Length x8 x16
3 (alternate) 6 Processor 1 Full Height Full Length x16 x16
3 (default) 7 Processor 1 Full Height Full Length x8 x16
NOTE: To use PCIe slots 1 through 4 on the riser, both the processors 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. Install all other expansion cards in card priority and slot priority order.
Table 28. Expansion card installation order
Card priority Card type Slot priority Max allowed
1 PCIe Bridge 4 1
2 10 Gb NICs (full height) 4,6,5 3
10 Gb NICs (low profile) 2,3,1 3
3 1 Gb NICs (full height) 4,6,5 3
1 Gb NICs (low profile) 2,3,1 1
4 Integrated RAID integrated slot 1
5 NDC integrated slot 3
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