Asus Sabertooth 55i - Manual (Page 41)

ASUS SABERTOOTH 55i 2-21
Chapter 2
• In single VGA card mode, use first the PCIe 2.0 x16_1 slot (beige) for a PCI Express
x16 graphics card to get better performance.
• In CrossFireX™ or SLI™ mode, use the PCIe 2.0 x16_1 (beige) and PCIe 2.0 x16_2
(black) 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 2-37 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 2-35 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