Dell E18S001 Personal Computer User Manual


 
Expansion Card Installation Guidelines
Your system supports PCI Express Generation 2 and Generation 3 expansion cards.
NOTE: If you install a second processor, you must upgrade expansion card riser 1 to optimize PCIe slot 1 speed.
The following table provides the riser configurations for single- and dual-processor systems:
Table 3. Riser Configuration for Single- and Dual-Processor Systems
Number of Processors
Expansion Card Connector
Riser 1 Riser 2
One
PCIE_G2_X4
iDRAC_Enterprise
PCIE_G3_X16
Two
PCIE_G3_X16
iDRAC_Enterprise
PCIE_G3_X16
NOTE: The expansion-card risers listed in the above table cannot be interchanged between single- and dual-
processor systems.
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.
Table 4. Expansion-Card Installation Priority
Card Priority Card Type Height Slot Priority Max Allowed Per Slot
1 RAID
Full Height
Low Profile
2 1
2 Converged Network
Adapters (CNAs)
Full Height
Low Profile
2 or 1 1
3 10 Gb NICs
Full Height
Low Profile
2 or 1 1
4 FC8 HBA
Full Height
Low Profile
2 or 1 1
5 FC4 HBA
Full Height
Low Profile
2 or 1 1
6 1 Gb NICs
Full Height
Low Profile
2 or 1 1
7 Non-RAID
Full Height
Low Profile
2 or 1 1
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