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Asus E8181 Computer Hardware User Manual

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Chapter 1: Product introduction

Chapter 1

• We recommend that you provide sufcient power when running CrossFireX™ or SLIWe recommend that you provide sufcient power when running CrossFireX™ or SLI

®

mode.

• Connect a chassis fan to the motherboard connector labeled CHA_FAN1-3 whenConnect a chassis fan to the motherboard connector labeled CHA_FAN1-3 when

using multiple graphics cards for better thermal environment.

• 4th generation Intel4th generation Intel

®

Core™ processors support PCIe 3.0 speed rate.

PCIe_x16/x8_1 slot switches to x8 mode when PCIe_x8_2 slots are occupied.

PCIe operating mode

PCIE_x4_3_SPEED

PCIE_x1_1 PCIE_x1_2 PCIE_x1_3 PCIE_x4_3

x1 (default)

x1 x1 x1 x1

x4

Disabled Disabled Disabled x4

IRQ assignments for this motherboard

A B C D E F G H

PCIE_x16/x8_1 shared – – – – – – –

PCIE_x8_2 – shared – – – – – –

PCIE_x4_3 shared – – – – – – –

PCIE_x1_1 – shared – – – – – –

PCIE_x1_2 – – shared – – – – –

PCIE_x1_3 – – – shared – – – –

I.G.F.X. shared – – – – – – –

Intel LAN Controller – – – – shared – – –

SATA #0 – shared – – – – – –

SATA #1 – shared – – – – – –

High Denition Audio – – – – – – shared –

EHCI# 0 (USB 2.0) – – – – – – shared

EHCI# 1 (USB 2.0) – – – – shared – – –

XHCI (USB 3.0) – – – – – shared – –

Asmedia SATA 6G

Storage Controller

– – – shared – – – –

VGA Conguration

PCIe operating mode

PCIE_x16/x8_1 PCIE_x8_2

Single VGA/PCIe card

x16

(Recommend for single VGA)

N/A

Dual VGA/PCIe card

x8 x8

For the PCI Express x4_3 slot (black) bandwidth option, refer to section 3.6.7 Onboard

Devices Conguration.

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