User Manual

Chapter 2: Hardware Setup
2-20
2.8.2 Configuring an expansion card
VGA configuration
PCI Express operating mode
PCIe 3.0 x16_1 (gray) PCIe 3.0 x16_2 PCIe 3.0 x16_3
Single VGA/PCIe card
x16(Recommendedfor
singleVGAcard)
N/A N/A
Dual VGA/PCIe cards
x8 x8 N/A
Triple VGA/PCIe cards
x8 x8 x4
• InsingleVGAcardmode,usethePCIe3.0x16_1slot(gray)foraPCIExpressx16
graphics card to get better performance.
• WerecommendthatyouprovidesufcientpowerwhenrunningCrossFireX™mode.
• WerecommendyouconnecttheEATX12V_1cablewhenrunningCrossFireX™.
• ConnectachassisfantothemotherboardconnectorlabeledCHA_FAN1/2when
using multiple graphics cards for better thermal environment.