Asus P7H57D-V EVO - Manual (Page 38)

2-20 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.
• We recommend that you provide sufficient power when running CrossFireX™ or SLI™
mode. See page 2-36 for details.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when using
multiple graphics cards for better thermal environment. See page 2-34 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
* Dual x8, SLI™, and CrossFireX™ modes are availlable only for Intel ® Non-Integrated Graphics
(Lynnfield) processors.