ASROCK Fatal1ty 990FX Killer Serie Manual Del Usuario página 23

2.4 Expansion Slots (PCI Express Slots)
here are 5 PCI Express slots on the motherboard.
Before installing an expansion card, please make sure that the power supply is
switched of or the power cord is unplugged. Please read the documentation of the
expansion card and make necessary hardware settings for the card before you start
the installation.
PCIe slots:
PCIE1 (PCIe 2.0 x1 slots) is used for PCI Express x1 lane width cards.
PCIE2 (PCIe 2.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE3 (PCIe 2.0 x16 slot) is used for PCI Express x16 lane width graphics cards.
PCIE4 (PCIe 2.0 x1 slots) is used for PCI Express x1 lane width cards.
PCIE5 (PCIe 2.0 x16 slot) is used for PCI Express x4 lane width graphics cards
PCIe Slot Conigurations
Single Graphics Card
Two Graphics Cards in
TM
CrossFireX or SLI
hree Graphics Cards in
3-Way CrossFireX
For a better thermal environment, please connect a chassis fan to the motherboard's
chassis fan connector (CHA_FAN1, CHA_FAN2 or CHA_FAN3) when using mul-
tiple graphics cards.
PCIE2
x16
x16
TM
Mode
x16
TM
Mode
Fatal1ty 990FX Killer Series
PCIE3 PCIE5
N/A N/A
x16 N/A
x16 x4
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