Asus P7P55D-E Deluxe - Manual (Page 44)

2-24 Chapter 2: Hardware information
Chapter 2
• In single VGA card mode, use first the PCIe 2.0 x16_1 slot (blue) for a PCI Express
x16 graphics card to get better performance.
• In CrossFireX™ or SLI™ mode, use the PCIe 2.0 x16_1 (blue) and PCIe 2.0 x16_2
(gray) slots for PCI Express x16 graphics cards to get better performance.
• We recommend that you provide sufficient power when running CrossFireX™ or SLI™
mode. Refer to page 2-40 for details.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when
using multiple graphics cards for better thermal environment. Refer to page 2-38 for
details.
VGA configuration
PCI Express operating mode
PCIe x16_1 PCIe x16_2
Single VGA/PCIe card
x16
(Recommend for single VGA)
N/A
Dual VGA/PCIe card x8 x8