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ASUS M3A78-T
2-17
VGA conguration
PCI Express operating mode
PCIex16_1 PCIex16_2 PCIex16_3
Single VGA/PCIe card
x16 x4 x8
Dual VGA/PCIe card
x16 x4
x4 x8
x8 x8
Triple VGA/PCIe card
x8 x4 x8
• Currently, only Windows
®
Vista operation system supports Hybird
CrossFireX™ mode.™ mode. mode.
• Currently, only AMD
®
HD3470, HD3450, HD2400XT and HD2400Pro
graphics cards support the Hybrid CrossFireX™ function.™ function. function.
• If you install two VGA cards, we recommend that you plug the rear chassis
fan cable to the motherboard connector labeled CHA_FAN1 or CHA_FAN2
for better thermal environment. See page 2-28 for the connector location.
• Visit the AMD ofcial website at www.amd.com for more information about
Hybrid CrossFireX™ support.