Asus M4A785D-M PRO Manuel utilisateur

Motherboard

M4A785D-M PRO

E4711_M4A785D-M PRO.indb 1 7/6/09 9:09:17 AM

No part of this manual, including the products and software described in it, may be reproduced,

transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any

means, except documentation kept by the purchaser for backup purposes, without the express written

permission of ASUSTeK Computer Inc. (“ASUS”).

Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless

such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the

product is defaced or missing.

ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS

OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS

DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,

INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,

LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),

EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY

DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.

SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR

INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,

AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO

RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS

MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.

Products and corporate names appearing in this manual may or may not be registered trademarks or

copyrights of their respective companies, and are used only for identication or explanation and to the

owners’ benet, without intent to infringe.

E4711

First Edition V1

June 2009

E4711_M4A785D-M PRO.indb 2 7/6/09 9:09:17 AM

iii

Contents

Notices......................................................................................................... vi

Safety information ..................................................................................... vii

About this guide ....................................................................................... viii

M4A785D-M PRO specications summary............................................... ix

Chapter 1: Product introduction

1.1 Welcome! ...................................................................................... 1-1

1.2 Package contents......................................................................... 1-1

1.3 Special features............................................................................ 1-1

1.3.1 Product highlights ........................................................... 1-1

1.3.2 Innovative ASUS features ............................................... 1-3

1.4 Before you proceed ..................................................................... 1-4

1.5 Motherboard overview................................................................. 1-5

1.5.1 Placement direction ........................................................ 1-5

1.5.2 Screw holes .................................................................... 1-5

1.5.3 Motherboard layout ......................................................... 1-6

1.5.4 Layout contents............................................................... 1-6

1.6 Central Processing Unit (CPU) ................................................... 1-7

1.6.1 Installing the CPU ........................................................... 1-7

1.6.2 Installing the heatsink and fan ........................................ 1-9

1.7 System memory ......................................................................... 1-10

1.7.1 Overview ....................................................................... 1-10

1.7.2 Memory congurations...................................................1-11

1.7.3 Installing a DIMM .......................................................... 1-18

1.7.4 Removing a DIMM ........................................................ 1-18

1.8 Expansion slots.......................................................................... 1-19

1.8.1 Installing an expansion card ......................................... 1-19

1.8.2 Conguring an expansion card ..................................... 1-19

1.8.3 PCI slots........................................................................ 1-19

1.8.4 PCI Express x1 slot....................................................... 1-19

1.8.5 PCI Express x16 slot..................................................... 1-19

1.9 Jumpers ...................................................................................... 1-20

1.10 Connectors ................................................................................. 1-21

1.10.1 Rear panel connectors.................................................. 1-21

1.10.2 Internal connectors ....................................................... 1-24

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Contents

1.11 Software support........................................................................ 1-30

1.11.1 Installing an operating system ...................................... 1-30

1.11.2 Support DVD information .............................................. 1-30

Chapter 2: BIOS information

2.1 Managing and updating your BIOS ............................................ 2-1

2.1.1 ASUS Update utility ........................................................ 2-1

2.1.2 ASUS EZ Flash 2 utility................................................... 2-2

2.1.3 ASUS CrashFree BIOS 3 utility ...................................... 2-3

2.2 BIOS setup program .................................................................... 2-4

2.2.1 BIOS menu screen.......................................................... 2-5

2.2.2 Menu bar......................................................................... 2-5

2.2.3 Navigation keys............................................................... 2-6

2.2.4 Menu items ..................................................................... 2-6

2.2.5 Sub-menu items.............................................................. 2-6

2.2.6 Conguration elds ......................................................... 2-6

2.2.7 General help ................................................................... 2-6

2.2.8 Pop-up window ............................................................... 2-6

2.2.9 Scroll bar......................................................................... 2-6

2.3 Main menu .................................................................................... 2-7

2.3.1 System Time ................................................................... 2-7

2.3.2 System Date ................................................................... 2-7

2.3.3 Primary IDE Master/Slave, SATA 1-3, 5-6, and E-SATA . 2-7

2.3.4 SATA Conguration ......................................................... 2-8

2.3.5 System Information ......................................................... 2-9

2.4 Advanced menu ........................................................................... 2-9

2.4.1 JumperFree Conguration .............................................. 2-9

2.4.2 CPU Conguration ........................................................ 2-12

2.4.3 Chipset.......................................................................... 2-13

2.4.4 Onboard Devices Conguration.................................... 2-14

2.4.5 PCI PnP ........................................................................ 2-15

2.4.6 USB Conguration ........................................................ 2-15

2.5 Power menu................................................................................ 2-16

2.5.1 Suspend Mode ............................................................. 2-16

2.5.2 ACPI

2.0 Support ......................................................... 2-16

2.5.3 ACPI APIC Support ...................................................... 2-16

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Contents

2.5.4 APM Conguration........................................................ 2-16

2.5.5 HW Monitor Conguration............................................. 2-17

2.6 Boot menu .................................................................................. 2-17

2.6.1 Boot Device Priority ...................................................... 2-18

2.6.2 Boot Settings Conguration .......................................... 2-18

2.6.3 Security ......................................................................... 2-18

2.7 Tools menu ................................................................................. 2-20

2.7.1 ASUS EZ Flash 2.......................................................... 2-20

2.7.2 Express Gate ............................................................... 2-20

2.7.3 AI NET 2........................................................................ 2-20

2.8 Exit menu.................................................................................... 2-21

E4711_M4A785D-M PRO.indb 5 7/6/09 9:09:18 AM

Notices

Federal Communications Commission Statement

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two

conditions:

• This device may not cause harmful interference, and

• This device must accept any interference received including interference that may cause

undesired operation.

This equipment has been tested and found to comply with the limits for a Class B digital

device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide

reasonable protection against harmful interference in a residential installation. This

equipment generates, uses and can radiate radio frequency energy and, if not installed

and used in accordance with manufacturer’s instructions, may cause harmful interference

to radio communications. However, there is no guarantee that interference will not occur

in a particular installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off and on, the user

is encouraged to try to correct the interference by one or more of the following measures:

•

Reorient or relocate the receiving antenna.

•

Increase the separation between the equipment and receiver.

•

Connect the equipment to an outlet on a circuit different from that to which the receiver is

connected.

•

Consult the dealer or an experienced radio/TV technician for help.

Canadian Department of Communications Statement

This digital apparatus does not exceed the Class B limits for radio noise emissions from

digital apparatus set out in the Radio Interference Regulations of the Canadian Department

of Communications.

This class B digital apparatus complies with Canadian ICES-003.

The use of shielded cables for connection of the monitor to the graphics card is required

to assure compliance with FCC regulations. Changes or modications to this unit not

expressly approved by the party responsible for compliance could void the user’s authority

to operate this equipment.

DO NOT throw the motherboard in municipal waste. This product has been designed to

enable proper reuse of parts and recycling. This symbol of the crossed out wheeled bin

indicates that the product (electrical and electronic equipment) should not be placed in

municipal waste. Check local regulations for disposal of electronic products.

REACH

Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of

Chemicals) regulatory framework, we published the chemical substances in our products at

ASUS REACH website at http://green.asus.com/english/REACH.htm.

DO NOT throw the mercury-containing button cell battery in municipal waste. This symbol

of the crossed out wheeled bin indicates that the battery should not be placed in municipal

waste.

E4711_M4A785D-M PRO.indb 6 7/6/09 9:09:20 AM

vii

Operation safety

•

Before installing the motherboard and adding devices on it, carefully read all the manuals

that came with the package.

•

Before using the product, ensure that all cables are correctly connected and the power

cables are not damaged. If you detect any damage, contact your dealer immediately.

•

To avoid short circuits, keep paper clips, screws, and staples away from connectors,

slots, sockets and circuitry.

•

Avoid dust, humidity, and temperature extremes. Do not place the product in any area

where it may become wet.

This motherboard should only be used in environments with ambient temperatures between

5℃ (14℉) and 40℃ (104℉).

•

Place the product on a stable surface.

•

If you encounter technical problems with the product, contact a qualied service

technician or your retailer.

Safety information

Electrical safety

• To prevent electric shock hazard, disconnect the power cable from the electric outlet

before relocating the system.

•

When adding or removing devices to or from the system, ensure that the power cables

for the devices are unplugged before the signal cables are connected. If possible,

disconnect all power cables from the existing system before you add a device.

•

Before connecting or removing signal cables from the motherboard, ensure that all

power cables are unplugged.

•

Seek professional assistance before using an adapter or extension cord. These devices

could interrupt the grounding circuit.

• Ensure that your power supply is set to the correct voltage in your area. If you are not

sure about the voltage of the electrical outlet you are using, contact your local power

company.

• If the power supply is broken, do not try to x it by yourself. Contact a qualied service

technician or your retailer.

• The optical S/PDIF is an optional component (may or may not be included in your

motherboard) and is dened as a CLASS 1 LASER PRODUCT.

INVISIBLE LASER RADIATION, AVOID EXPOSURE TO BEAM.

• Never dispose of the battery in re. It could explode and release harmful substances into

the environment.

• Never dispose of the battery with your regular household waste. Take it to a hazardous

material collection point.

• Never replace the battery with an incorrect battery type.

• RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE.

• DISPOSE OF USED BATTERIES ACCORDING TO THE ABOVE BATTERY-RELATED

INSTRUCTIONS.

E4711_M4A785D-M PRO.indb 7 7/6/09 9:09:21 AM

viii

Where to nd more information

Refer to the following sources for additional information and for product and software

updates.

1. ASUS websites

The ASUS website provides updated information on ASUS hardware and software

products. Refer to the ASUS contact information.

2. Optional documentation

Your product package may include optional documentation, such as warranty yers,

that may have been added by your dealer. These documents are not part of the

standard package.

Conventions used in this guide

To ensure that you perform certain tasks properly, take note of the following symbols used

throughout this manual.

Typography

Bold text Indicates a menu or an item to select.Indicates a menu or an item to select.

Italics

Used to emphasize a word or a phrase.

<Key> Keys enclosed in the less-than and greater-than

sign means that you must press the enclosed key.

Example: <Enter> means that you must press the

Enter or Return key.

<Key1>+<Key2>+<Key3> If you must press two or more keys simultaneously,

the key names are linked with a plus sign (+).

Example: <Ctrl>+<Alt>+<D>

DANGER/WARNING:Information to prevent injury to yourselfInformation to prevent injury to yourself

when trying to complete a task.

CAUTION: Information to prevent damage to the componentsInformation to prevent damage to the components

when trying to complete a task.

NOTE: Tips and additional information to help you complete a task.Tips and additional information to help you complete a task.

IMPORTANT: Instructions that you MUST follow to complete a task.

About this guide

This user guide contains the information you need when installing and conguring the

motherboard.

How this guide is organized

This guide contains the following parts:

• Chapter 1: Product introduction

This chapter describes the features of the motherboard and the new technology it

supports.

• Chapter 2: BIOS information

This chapter tells how to change system settings through the BIOS Setup menus.

Detailed descriptions of the BIOS parameters are also provided.

E4711_M4A785D-M PRO.indb 8 7/6/09 9:09:22 AM

CPU AMD Phenom™II / Athlon™ II / Phenom™/ Athlon ™ /Sempron™

family processors (AM3 / AM2+ / AM2)

Supports 45nm CPU

AMD Cool ‘n’ Quiet™ Technology (depending on CPU type)

Supports CPU up to 125W

Chipset AMD 785G/SB710

System bus Up to 5200 MT/s HyperTransport™ 3.0 interface for AM2+ / AM3 CPU

2000 / 1600 MT/s for AM2 CPU

Memory Dual-channel memory architecture

4 x 240-pin DIMM slots support unbuffered ECC and non-ECC

DDR2 1200 (O.C.)*/1066/800/667MHz memory modules

Supports up to 16GB system memory

* We recommend that you install the DDR2 1200 DIMMs on the

blue slots for better performance.

** DDR2 1200 (O.C.)/1066 is supported by AM3/AM2+ CPU only.

** Due to AM3/AM2+ CPU limitation, only one DDR2 1200 (O.C.)

/1066 is supported per channel.

** Refer to www.asus.com for the latest Memory QVL.

*** Due to the memory address limitation on 32-bit Windows OS,Due to the memory address limitation on 32-bit Windows OS,

when you install 4GB or more memory on the motherboard, the

actual usable memory for the OS can be about 3GB or less. For

effective use of memory, we recommend that you install a 64-bit

Windows OS when having 4GB or more memory installed on the

motherboard.

Graphics Integrated ATI Radeon HD4200 supports:

- maximum shared memory of 512MB

- DVI-D with HDCP compliant with max. resolution 2560x1600

@60Hz dual-link

- HDMI™ Technology with max. resolution up to 1920x1200 (1080P)

@60Hz

- RGB with max. resolution 2560x1440 @75Hz

Hybrid CrossFireX™ support (for Windows Vista only)

Supports Microsoft® DirectX 10.1, OpenGL 2.0, Shader Model 4.1,

Hardware Decode Acceleration for H.264, VC-1, and MPEG-2

Dual VGA output supports:

- RGB & DVI

- RGB & HDMI

* Refer to www.amd.com for the Hybrid CrossFireX selected GPUs.

** To playback the HD-DVD and Blu-ray Disc, we recommend system

conguration above graphic shared memory 256MB / Dual-Core

CPU minimum 1GB memory of Dual-channel DDR2 667 or single-

channel DDR2 800.

Expansion slots 1 x PCI Express™ 2.0 x16 slot

1 x PCI Express™ x1 slot

2 x PCI 2.2 slots

Storage / RAID 1 x UltraDMA 133/100/66 connector

5 x Serial ATA 3Gb/s connectors support RAID 0, RAID 1, RAID

0+1, and JBOD congurations

1 x External SATA 3Gb/s supports RAID 0, RAID 1, RAID

0+1, and JBOD congurations

M4A785D-M PRO specications summary

(continued on the next page)

E4711_M4A785D-M PRO.indb 9 7/6/09 9:09:22 AM

M4A785D-M PRO specications summary

Audio VT1708S High Denition Audio 8-channel CODEC

Supports Jack-detection, Multi-streaming, Single SPDIF Out,

Anti-pop Function and Front Panel Retasking (HD only)

Supports S/PDIF out port at back I/O

USB Supports up to 12 USB 2.0/1.1 ports (6 ports at mid-board,

6 ports at back panel)

LAN Realtek 8112L PCIe Gigabit LAN

BIOS 8Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0, ACPI2.0a, SM

BIOS 2.5

ASUS special

features

ASUS 4+1 Phase Power Design

ASUS EPU-4 Engine

ASUS Express Gate

ASUS Turbo Key

ASUS GPU NOS

ASUS CrashFree BIOS 3

ASUS EZ Flash 2

ASUS Q-Fan

ASUS MyLogo 2

ASUS AI NET 2

Back panel I/O

ports

1 x PS/2 Keyboard/Mouse Combo port

1 x Optical S/PDIF Out port

1 x D-Sub port

1 x DVI port

1 x HDMI port

1 x External SATA port

1 x RJ45 port

6 x USB 2.0/1.1 ports

8-channel Audio I/O ports

Internal I/O

connectors

3 x USB 2.0/1.1 connectors support additional 6 USB 2.0/1.1 ports

5 x SATA connectors

1x CPU/Chassis/Power Fan connectors

1 x High Denition front panel audio connector

1 x S/PDIF Out connector

1 x IDE connector

1 x COM connector

1 x Parallel port

1 x system panel connector

24-pin ATX power connector

4-pin ATX 12V power connector

Accessories 2 x Serial ATA cables

1 x UltraDMA 133/100/66 cable

1x IO Shield

User manual

Support DVD Drivers

ASUS Update

ASUS PC Probe II

Anti-Virus software (OEM version)

Form Factor MicroATX form factor: 9.6’’ x 9.6’’ (24.4cm x 24.4cm)

*Specications are subject to change without notice.

E4711_M4A785D-M PRO.indb 10 7/6/09 9:09:23 AM

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