User's Manual

1-26
Chapter 1: Product introduction
Chapter 1
• We recommend that you provide sufcient 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
PCIe x16_3
Configuration
PCI Express sharing mode
PCIe x16_3 PCIe x1_3 Rear USB 3.0_E1~E2
x1 mode x1 x1 Enabled
x4 mode x4 Disabled Disabled
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 – – – – –
SMBus Controller
– – shared – – – – –
SATA #0
– –
shared
– – – –
GbE Controller –
– –
shared –
– – –
EHCI #0
– – – – – – – shared
EHCI #1 shared
– – – –
–
– –
XHCI Controller
– –
–
– –
shared
– –
ASM1061
SATA6G(AHCI)
– –
– shared
– – – –
Realtek 8111GR – – – shared – – – –
High Denition Audio
– – – – – – shared –