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Chapter 1: Product introduction
IRQ assignments for this motherboard
A B C D E F G H
I.G.D. Shared – – – – – – –
HD Audio 1 Controller Shared – – – – – –
HD Audio 2 Controller – – – – – Shared –
EHCI 1 Controller – – – – – – – Shared
EHCI 2 Controller Shared – – – – – – –
XHCI Controller – – – – – Shared – –
SATA Controller – – – Shared – – – –
PCIE x16_1 Shared – – – – – – –
PCIE x16_2 Shared – – – – – –
PCIE x1_1 – Shared – – – – –
PCIE x1_2 – – Shared – – – –
Intel LAN – – – – Shared – – –
PCI Slot 1 – – – Shared – – – –
PCI Slot 2 Shared – – – – – – –
• 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.
VGA configuration
PCI 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