Asus P8P67-M PRO - Manual (Page 35)

1-23 Chapter 1: Product introduction
• In single VGA card mode, use the PCIe 2.0 x16_1 slot (navy blue) 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_2 slots for
PCI Express x16 graphics cards to get better performance.
• We recommend that you provide sufficient power when running CrossFireX™ or SLI™
mode. See page 1-28 for details.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1 or CHA_FAN2
when using multiple graphics cards for better thermal environment.
VGA configuration
PCI Express operating mode
PCIe x16_1
PCIe x16_2 PCIe x16_3
Single VGA/PCIe card x16 (Recommended for single VGA card) N/A N/A
Dual VGA/PCIe card
x8 x8 N/A
x16 N/A x4