Asus SABERTOOTH 990FX R3.0 - Page 22

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Chapter 1: Product Introduction
Chapter 1
• InsingleVGAcardmode,usethePCIe2.0x16_1slot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sufcientpowerwhenrunningCrossFireX™orSLI™
mode.
• ConnectachassisfantothemotherboardconnectorlabeledCHA_FAN1/2/3when
usingmultiplegraphicscardsforbetterthermalenvironment.
VGA
configuration
PCI Express operating mode
PCIe 2.0_
x16_1
PCIe 2.0_
x16_2
PCIe 2.0x16_3 PCIe 2.0x16_4
Single VGA/
PCIe card
x16
(Recommend
forsingleVGA)
x4 x16 x1
Dual VGA/PCIe
card
x16 x4 x16 x1
3-way SLI
x16 x4 x8 x8