Asus X79 Computer Hardware User Manual


 
ASUS SABERTOOTH X79 2-13
Chapter 2
In single VGA card mode, use the PCIe 3.0 x16_1 slot (beige) for a PCI Express x16
graphics card to get better performance.
In CrossFireX™ or SLI™ mode, use the PCIe 3.0 x16_1 and PCIe 3.0 x16_2 slots for
PCI Express x16 graphics cards to get better performance.
We recommend that you provide sufcient power when running CrossFireX™ or SLI™
mode. Refer to page 2-24 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 2-22 for details.
IRQ assignments for this motherboard
A B C D E F G H
PCIEX16_1 shared
PCIEX16_2 shared
PCIEX16_3 shared
PCIEX1_1 shared
PCIEX1_2 shared
USB3.0 1 shared
USB3.0 2 shared
USB3.0 3 shared
eSATA shared
Intel LAN shared
Marvell 9128 shared
On Chip USB1 shared
On Chip USB2 shared
HD Audio shared
On Chip SATA shared
IEEE 1394 shared
PCI slot shared