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Installing System Components 111
6
Replace the cooling shroud. See "Installing the Cooling Shroud" on
page 87.
7
Close the system. See "Closing the System" on page 85.
8
Reconnect the system and peripherals to their power sources, and turn
them on.
Expansion Cards and Expansion-Card Risers
Your system supports up to four PCI Express
(PCIe) expansion cards installed
in connectors on an
expansion-card riser.
Depending on the configuration, your system may have either riser 1 or
riser 2:
• Expansion-card riser 1 provides three x4 Generation 2 PCIe expansion-
card slots and one x8 Generation 2 PCIe expansion-card slot.
• Expansion-card riser 2 provides one x4 Generation 2 PCIe expansion-card
slot and one x16 Generation 2 PCIe expansion-card slot.
CAUTION: Expansion cards can only be installed in the slots on the
expansion-card riser. Do not attempt to install expansion cards directly into
the riser connector on the system board.
Expansion Card Installation Guidelines
• The expansion-card slots support full-height, half-length cards.
• The expansion-card slots are hot-swappable.
• PCI Express Generation 2 expansion cards are supported in all the slots.
• All the slots are x8 connectors.
CAUTION: To ensure proper cooling, only one of the two expansion cards
can have a power consumption of greater than 15 W (up to 25 W maximum),
not including the integrated storage controller.
• Table 3-3 and Table 3-4 provide information about 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 other expansion cards should be installed in card priority and
slot priority order.
book.book Page 111 Tuesday, August 24, 2010 1:47 PM