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Chapter 1: Product introduction
Chapter 1
• We recommend that you provide sufcient power when running CrossFireX™ or SLI™
mode.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1-4 when
using multiple graphics cards for better thermal environment.
IRQ assignments for this motherboard
VGA conguration
PCIe Express 3.0 operating mode
PCIe 3.0/2.0 x16_1 PCIe 3.0/2.0 x16_2
Single VGA/PCIe card
x16 (single VGA
recommended)
N/A
Dual VGA/PCIe card x8 x8
A B C D E F G H
PCIe x16_1 shared – – – – – – –
PCIe x16_2 – shared – – – – – –
PCIe x16_3 – – shared – – – – –
PCIe x1_1 – – – shared – – – –
PCIe x1_2 – shared – – – – – –
PCIe x1_3 – – – shared – – – –
PCIe x1_4 shared – – – – – – –
SMBUS Controller – – shared – – – – –
Wi-Fi – – shared – – – – –
Intel
®
SATA Controller – – – shared – – – –
Intel
®
LAN – – – – shared – – –
Realtek
®
LAN shared – – – – – – –
ASMedia SATA
Controller 1
– shared – – – – – –
ASMedia SATA
Controller 2
shared – – – – – – –
Intel
®
xHCI – – – – – shared – –
Intel
®
EHCI 1 – – – – – – – shared
Intel
®
EHCI 2 shared – – – – – – –
HD Audio – – – – – – shared –
Thunderbolt ports shared – – – – – – –