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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.
• We recommend you connect an EATX 12V_1 cable when running CrossFireX and
SLI.
IRQ assignments for this motherboard
Slot
no.
PCIe Express 3.0 operating mode
Single VGA
SLI
CrossFireX
3-WAY SLI
CrossFireX
4-WAY SLI
CrossFireX
1
x16
(single VGA recommended)
x16 x8 x8
2 — — x8 x8
4 —
x16
(dual VGA
recommended)
x16 x8
6 — — — x8
A B C D E F G H
PCIe x16_1 shared – – – – – – –
PCIe x16_2 shared – – – – – – –
PCIe x16_3 shared – – – – – – –
PCIe x16_4 shared – – – – – – –
PCIe x1_1 – – – shared – – – –
PCIe x1_2 shared – – – – – – –
Marvell 9230 shared – – – – – – –
ASM1061 – shared – – – – – –
VIA1394 – – shared – – – – –
USB 3.0 – – – – – shared – –
LAN1 (I210) – – shared – – – – –
LAN2 (I210) – – – shared – – – –
SATA Controller 1 – – – – shared – – –
SATA Controller 2 – – – – shared – – –
USB 2.0 Controller 1 – – – – – – – shared
USB 2.0 Controller 2 – – – – shared – – –
HD Audio – – – – – – shared –