Irq Assignments For This Motherboard - Asus P9X79 LE User Manual

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IRQ assignments for this motherboard

PCIEX16_1
PCIEX16_2
PCIEX16_3
PCIEX1_1
PCIEX1_2
PCI slot
USB 3.0 #1
USB 3.0 #2
e-SATA
On Chip USB1
On Chip USB2
HD Audio
On Chip SATA
LAN
2-16
In single VGA card mode, use the PCIe 3.0 x16_1 slot (blue) 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 sufficient power when running CrossFireX™ or SLI™
mode. Refer to page 2-29 for details.
In 3-way SLI mode, use the PCIe 3.0 x16_1 and PCIe 3.0 x16_2 and PCIe 3.0 x16_3
slots for PCI Express x16 graphics cards to get better performance.
Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2/3/4 when
using multiple graphics cards for better thermal environment. See page 2-27 for details.
A B
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C D E
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Chapter 2: Hardware information
F G H
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