Asus SABERTOOTH 990FX User Manual - Page 34

Single VGA/PCIe card, way SLI, VGA configuration

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VGA configuration PCI Express operating mode PCIe 2.0 x16_1 PCIe 2.0x16_2 PCIe 2.0x16_3 PCIe 2.0x16_4 x16 Single VGA/PCIe card (Recommend N/A N/A N/A for single VGA) Dual VGA/PCIe card x16 N/A x16 N/A 3-way SLI x16 N/A x8 x8 • In single VGA card mode, use the PCIe 2.0 x16_1 slot (beige) for a PCI Express x16 graphics card to get better performance. • In CrossFireX™ or SLI™ mode, use the PCIe 2.0 x16_1 and PCIe 2.0 x16_3 slots for PCI Express x16 graphics cards to get better performance. • In 3-way SLI mode, use the PCIe 2.0 x16_1/PCIe 2.0 x16_3/PCIe 2.0 x16_4 slots for PCI Express x16 graphic cards to get better performance. • We recommend that you provide sufficient power when running CrossFireX™ or SLI™ mode. • Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when using multiple graphics cards for better thermal environment. Chapter 2 2-16 Chapter 2: Hardware information

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2-16
Chapter 2: Hardware information
Chapter 2
•
In single VGA card mode, use the PCIe 2.0 x16_1 slot (beige) for a PCI Express x16
graphics card to get better performance.
•
In CrossFireX™ or SLI™ mode, use the PCIe 2.0 x16_1 and PCIe 2.0 x16_3 slots for
PCI Express x16 graphics cards to get better performance.
•
In 3-way SLI mode, use the PCIe 2.0 x16_1/PCIe 2.0 x16_3/PCIe 2.0 x16_4 slots for
PCI Express x16 graphic cards to get better performance.
•
We recommend that you provide sufficient power when running CrossFireX™ or SLI™
mode.
•
Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when using
multiple graphics cards for better thermal environment.
VGA configuration
PCI Express operating mode
PCIe 2.0 x16_1
PCIe 2.0x16_2
PCIe 2.0x16_3
PCIe 2.0x16_4
Single VGA/PCIe card
x16
(Recommend
for single VGA)
N/A
N/A
N/A
Dual VGA/PCIe card
x16
N/A
x16
N/A
3-way SLI
x16
N/A
x8
x8