Owners Manual
Next steps
1. Install the expansion card riser 1.
2. Install the cooling shroud.
3. Follow the procedure listed in the After working inside your system section.
Related references
Safety instructions on page 66
Related tasks
Before working inside your system on page 67
Removing the cooling shroud on page 74
Removing expansion card risers on page 114
Installing expansion card risers on page 117
Installing the cooling shroud on page 75
After working inside your system on page 67
Expansion cards and expansion card riser
An expansion card in the system 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
Depending on your system configuration, the following PCI Express (PCIe) generation 3 expansion cards are supported:
Table 40. Supported expansion cards
PCIe slot Riser Processor connection Height Length Link width Slot width
1 1 Processor 2 Low Profile Half Length x8 x16
2 1 Processor 2 Low Profile Half Length x8 x16
3 1 Processor 2 Low Profile Half Length x8 x16
4 2 Processor 2 Full Height Full Length x16 x16
5 2 Processor 1 Full Height Full Length x8 x16
6 3 (default) Processor 1 Full Height Full Length x8 x16
6 3 (alternate) Processor 1 Full Height Full Length x16 x16
7 3 (default) Processor 1 Full Height Full Length x8 x16
NOTE: To use PCIe slots 1 through 4 on the risers 1 and 2, 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. All the other expansion cards should be
installed in the card priority and slot priority order.
Table 41. Expansion card installation order
Card priority Card type Slot priority Max allowed
1 GPU (double width) 6, 4 2
Installing and removing system components 105