Asus M4A785G HTPC Series Manual de usuario

Motherboard

M4A785G HTPC

Series

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.

E4849

First Edition V1

July 2009

iii

Contents

Contents ...................................................................................................... iii

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

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

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

M4A785G HTPC Series 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 ............................................... 1-2

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 ........................................ 1-8

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

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

1.7.2 Memory congurations.................................................. 1-10

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 slot ......................................................................... 1-19

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

1.8.5 PCI Express 2.0 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 ....................................................... 1-25

Contents

1.11 Software support........................................................................ 1-34

1.11.1 Installing an operating system ...................................... 1-34

1.11.2 Support DVD information .............................................. 1-34

1.11.3 ASUS Home Theater Gate............................................ 1-35

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 .................................................................... 2-3

2.2.1 BIOS menu screen.......................................................... 2-4

2.2.2 Menu bar......................................................................... 2-4

2.2.3 Navigation keys............................................................... 2-5

2.2.4 Menu items ..................................................................... 2-5

2.2.5 Submenu items ............................................................... 2-5

2.2.6 Conguration elds ......................................................... 2-5

2.2.7 General help ................................................................... 2-5

2.2.8 Pop-up window ............................................................... 2-5

2.2.9 Scroll bar......................................................................... 2-5

2.3 Main menu .................................................................................... 2-6

2.3.1 System Time [xx:xx:xx] ................................................... 2-6

2.3.2 System Date [Day xx/xx/xxxx]......................................... 2-6

2.3.3 Language [English] ......................................................... 2-6

2.3.4 Primary IDE Master/Slave............................................... 2-6

2.3.5 SATA 1–5/ESATA ........................................................... 2-7

2.3.6 Storage Conguration ..................................................... 2-8

2.3.7 System Information ......................................................... 2-8

2.4 Ai Tweaker menu.......................................................................... 2-9

2.4.1 Ai Overclock Tuner [Auto] ............................................... 2-9

2.4.2 CPU Ratio [Auto]............................................................. 2-9

2.4.3 DRAM Frequency [Auto] ................................................. 2-9

2.4.4 CPU/NB Frequency [Auto] ............................................ 2-10

2.4.5 HT Link Frequency [Auto] ............................................. 2-10

2.4.6 Memory Conguration................................................... 2-10

2.4.7 DRAM Timing Conguration ......................................... 2-10

Contents

2.4.8 CPU Voltage [Auto] ....................................................... 2-12

2.4.9 CPU/NB Voltage [Auto] ................................................. 2-12

2.4.10 DRAM Voltage [Auto] .................................................... 2-12

2.4.11 NB Voltage [Auto].......................................................... 2-12

2.4.12 HT/SB Voltage [Auto] .................................................... 2-12

2.4.13 CPU Spread Spectrum [Auto] ....................................... 2-12

2.4.14 PCIE Spread Spectrum [Auto] ...................................... 2-12

2.5 Advanced menu ......................................................................... 2-13

2.5.1 CPU Conguration ........................................................ 2-13

2.5.2 Chipset.......................................................................... 2-14

2.5.3 Onboard Devices Conguration.................................... 2-15

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

2.5.5 PCIPnP ......................................................................... 2-16

2.6 Power menu................................................................................ 2-16

2.6.1 Suspend Mode [Auto] ................................................... 2-17

2.6.2 ACPI 2.0 Support [Disabled] ......................................... 2-17

2.6.3 ACPI APIC support [Enabled] ....................................... 2-17

2.6.4 Chassis LED [On] ......................................................... 2-17

2.6.5 EuP Ready [Disabled]................................................... 2-17

2.6.6 APM Conguration........................................................ 2-17

2.6.7 Hardware Monitor ......................................................... 2-18

2.7 Boot menu .................................................................................. 2-19

2.7.1 Boot Device Priority ...................................................... 2-19

2.7.2 Boot Settings Conguration .......................................... 2-19

2.7.3 Security ......................................................................... 2-20

2.8 Tools menu ................................................................................. 2-21

2.8.1 ASUS EZ Flash 2.......................................................... 2-21

2.8.2 Express Gate [Auto]...................................................... 2-21

2.8.3 AI NET 2........................................................................ 2-21

2.9 Exit menu.................................................................................... 2-22

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.

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.

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.

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.

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.

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.

vii

Safety information

Electrical safety

• To prevent electrical shock hazard, disconnect the power cable from the electrical 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.

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 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°C (41°F) and 40°C (104°F).

• Place the product on a stable surface.

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

technician or your retailer.

• 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.

viii

Conventions used in this guide

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

throughout this manual.

DANGER/WARNING:Information to prevent injury to yourself

when trying to complete a task.

CAUTION: Information to prevent damage to the components

when trying to complete a task.

IMPORTANT: Instructions that you MUST follow to complete a

task.

NOTE: Tips and additional information to help you complete a

task.

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.

Typography

Bold text 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>

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 setup

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

Detailed descriptions of the BIOS parameters are also provided.

M4A785G HTPC Series specications summary

(continued on the next page)

CPU AMD® AM3/AM2+/AM2 Phenom™ II / Athlon™ II /

Phenom™ / Athlon™ / Sempron™ Processors

AMD®45nm CPU support

AMD Cool’n’Quiet™ Technology

Chipset AMD® 785G / SB710

System bus Up to 5200 MT/s; HyperTransport™ 3.0 interface for

AM3 / AM2+ CPU

2000 / 1600 MT/s for AM2 CPU

Memory Dual-channel memory architecture

- 4 x 240-pin DIMM sockets support unbufferred

ECC / non-ECC DDR2 1200(O.C)* / 1066* / 800 /

667 MHz memory modules

- Supports up to 16GB system memory

* Due to AMD® CPU limitation, DDR2 1200/1066 are

supported by AM3 / AM2+ CPUs for one DIMM per channel

only. Refer to www.asus.com or this user manual for the

Memory QVL (Qualied Vendors Lists).

** Due to OS limitation, when installing total memory of 4GB

capacity or more, Windows 32-bit operation system may

only recognize less than 3GB. Hence, a total installed

memory of less than 3GB is recommended.

Graphics Integrated ATI Radeon™ HD 4200 GPU

- Supports HDMI™ Technology with max. resolution up

to 1920 x 1200 (1080P)

- Supports Dual-link DVI with max. resolution up to

2560 x 1600 @ 60Hz

- Supports D-Sub with max. resolution up to

2560 x 1440 @ 75Hz for 16:9 format

- Hybrid CrossFireX™ support

- Dual independent displays support with HDMI / DVI

and D-Sub)

- Supports Microsoft® DirectX 10.1, OpenGL 2.0,

Pixel Shader 4.0

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

MPEG-2

- Maximum shared memory of 512MB

Expansion Slots 1 x PCIe 2.0 x16 slot

2 x PCIe x1 slots

1 x PCI 2.2 slot

M4A785G HTPC Series specications summary

Storage SB710 Chipset:

- 1 x Ultra DMA 133/100/66 for up to 2 PATA devices

- 5 x SATA 3.0 Gb/s ports with RAID 0, 1 and 10 support

- 1 x External SATA 3.0 Gb/s port

* Due to Window® XP/Vista™ limitation, the RAID array with

the total capacity over 2TB cannot be set as a boot disk. A

RAID array over 2TB can only be set as a data disk only.

LAN Realtek® 8112L Gigabit LAN controller featuring AI NET 2

High Denition Audio Absolute Pitch Hi-Fi featuring ENVY HD

- 9.1-channel High Denition Audio

- DTS Surround Sensation UltraPC

(supports Windows® Vista™ and Windows®7 only)

- Lossless 192khz/24-bit BD audio

- Supports Jack-Detection and Multi-Streaming

- 2-channel gold-plated RCA output at back I/O

- Optical S/PDIF Out port at back I/O

IEEE 1394a JMicron® JMB381 controller supports 2 x IEEE 1394a ports

USB 10 x USB 2.0 /1.1 ports (6 ports at midboard; 4 ports at

back panel)

AI HTPC Unique

Features

ASUS HTPC Features:

- ASUS Absolute Pitch Hi-Fi

- ASUS Home Theater Gate

- ASUS Tranquil Mode (AM3/AM2+ CPUs only)

- DTS Surround Sensation UltraPC (supports Windows®

Vista™ and Window®7 only)

ASUS Express Gate

ASUS Quiet Thermal Solution

- ASUS Fanless Design: Soundwave Heat-sink

ASUS EZ DIY

- ASUS Q-Connector

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 2

Other Features ASUS MyLogo 2™

(continued on the next page)

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