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ASUS SABERTOOTH X58 2-21
Chapter 2
• In single VGA card mode, use rst 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
(beige) slots for PCI Express x16 graphics cards to get better performance.
• When the PCI Express x1_2 slot is occupied, the PCI Express x16 slot (black) will
work at x1 link.
• When using the triple VGA card mode, we recommend that you use the PCI Express
x1_1 slot to install a PCIe x1 device to get better performance.
• We recommend that you provide sufcient power when running CrossFireX™ or SLI™
mode. See page 2-35 for details.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2/3 when
using multiple graphics cards for better thermal environment. See page 2-33 for
details.
VGA conguration
PCI Express operating mode
PCIe 2.0 x16_1 PCIe 2.0 x16_2 PCIe x16_3
Single VGA/PCIe card
x16 (Recommend for
single VGA)
x16 (Single VGA) N/A
Dual VGA/PCIe card
x16 x16 N/A
Triple VGA/PCIe card
x16
x16
x4 or x1 (when PCI
Express x1_2 slot is
occupied)