ASROCK M3A785GXH/128M Manuel utilisateur

ASRock M3A785GXH/128M Motherboard

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No part of this installation guide may be reproduced, transcribed, transmitted, or trans-

lated in any language, in any form or by any means, except duplication of documen-

tation by the purchaser for backup purpose, without written consent of ASRock Inc.

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

trademarks or copyrights of their respective companies, and are used only for identifica-

tion or explanation and to the owners’ benefit, without intent to infringe.

Disclaimer:Disclaimer:

Disclaimer:

Specifications and information contained in this guide are furnished for informational

use only and subject to change without notice, and should not be constructed as a

commitment by ASRock. ASRock assumes no responsibility for any errors or omissions

that may appear in this guide.

With respect to the contents of this guide, ASRock does not provide warranty of any kind,

either expressed or implied, including but not limited to the implied warranties or

conditions of merchantability or fitness for a particular purpose. In no event shall

ASRock, 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 data, interruption of business and the like), even if ASRock has been

advised of the possibility of such damages arising from any defect or error in the guide

or product.

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

following two conditions:

(1) this device may not cause harmful interference, and

(2) this device must accept any interference received, including interference that

may cause undesired operation.

Published July 2009

CALIFORNIA, USA ONLY

The Lithium battery adopted on this motherboard contains Perchlorate, a toxic

substance controlled in Perchlorate Best Management Practices (BMP) regulations

passed by the California Legislature. When you discard the Lithium battery in

California, USA, please follow the related regulations in advance.

“Perchlorate Material-special handling may apply, see

www.dtsc.ca.gov/hazardouswaste/perchlorate”

ASRock Website: http://www.asrock.com

2ASRock M3A785GXH/128M Motherboard

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Motherboard LayoutMotherboard Layout

Motherboard Layout

1 ATX 12V Power Connector (ATX12V1) 23 Sixth SATAII Connector

2 PS2_USB_PW1 Jumper (SATAII_6, Orange)

3 CPU Fan Connector (CPU_FAN1) 24 Infrared Module Header (IR1)

4 SLI / XFIRE Power Connector 25 Clear CMOS Jumper (CLRCMOS1)

5 CPU Heatsink Retention Module 26 Front Panel IEEE 1394 Header

6 AM3 941-Pin CPU Socket (FRONT_1394)

7 2 x 240-pin DDR3 DIMM Slots 27 USB 2.0 Header (USB10_11, Blue)

(Dual Channel A: DDR3_A1, DDR3_B1; Blue) 28 USB 2.0 Header (USB6_7, Blue)

8 2 x 240-pin DDR3 DIMM Slots 29 USB 2.0 Header (USB8_9, Blue)

(Dual Channel B: DDR3_A2, DDR3_B2; White) 30 Chassis Fan Connector (CHA_FAN1)

9 ATX Power Connector (ATXPWR1) 31 Floppy Connector (FLOPPY1)

10 North Bridge Fan Connector (NB_FAN1) 32 Serial Port Connector (COM1)

11 Northbridge Controller 33 Front Panel Audio Header

12 Primary IDE Connector (IDE1, Blue) (HD_AUDIO1, Lime)

13 SLI/XFire Switch Card Retention Slot 34 Internal Audio Connector: CD1 (Black)

14 Southbridge Controller 35 HDMI_SPDIF Header

15 SPI Flash Memory (8Mb) (HDMI_SPDIF1, Yellow)

16 System Panel Header (PANEL1, Orange) 36 PCI Express 2.0 x16 Slot

17 Primary SATAII Connector (SATAII_1, Red) (PCIE4; Orange)

18 Secondary SATAII Connector (SATAII_2, Red) 37 PCI Slots (PCI1- 2)

19 Fourth SATAII Connector (SATAII_4, Red) 38 PCI Express 2.0 x16 Slot (PCIE3; Blue)

20 Third SATAII Connector (SATAII_3, Red) 39 PCI Express 2.0 x16 Slot (PCIE2; Green)

21 Chassis Speaker Header 40 PCI Express 2.0 x1 Slot (PCIE1; Green)

(SPEAKER 1, Purple) 41 Power Fan Connector (PWR_FAN1)

22 Fifth SATAII Connector (SATAII_5, Red) 42 eSATAII Connector (eSATAII_TOP)

ASRock M3A785GXH/128M Motherboard

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I/O PI/O P

I/O Panelanel

anelanel

anel

** If you use 2-channel speaker, please connect the speaker’s plug into “Front Speaker Jack”.

See the table below for connection details in accordance with the type of speaker you use.

TABLE forAudio Output Connection

Audio Output Channels Front Speaker Rear Speaker Central / Bass Side Speaker

(No. 9) (No. 6) (No. 7) (No. 5)

2 V -- -- --

4VV----

6 VVV--

8 VVVV

LAN Port

ACT/LINK

LED SPEED

LED

* There are two LED next to the LAN port. Please refer to the table below for the LAN port LED

indications.

LAN Port LED Indications

Activity/Link LED SPEEDLED

Status Description Status Description

Off No Activity Off 10Mbps connection

Blinking Data Activity Orange 100Mbps connection

Green 1Gbps connection

1 PS/2 Keyboard Port (Purple) 10 Microphone (Pink)

2 VGA/D-Sub Port 11 USB 2.0 Ports (USB01)

3 USB 2.0 Ports (USB23) 12 IEEE 1394 Port

* 4 LAN RJ-45 Port 13 eSATAII Port

5 Side Speaker (Gray) 14 Optical SPDIF Out Port

6 Rear Speaker (Black) *** 15 HDMI Port

7 Central / Bass (Orange) 16 VGA/DVI-D Port

8 Line In (Light Blue) 17 USB 2.0 Ports (USB45)

** 9 Front Speaker (Lime)

*** To support AC3 or DTS audio format with HDMI Audio under VistaTM, please install the

HDMI audio driver in XP support CD AAX785H-10.

The driver is located under the path: ..\Drivers\NB Audio\REALTEK\XP64_XP(R1.68)

And note for LPCM support up to stereo 2 channels only.

4ASRock M3A785GXH/128M Motherboard

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1.1.

1. IntroductionIntroduction

IntroductionIntroduction

Introduction

Thank you for purchasing ASRock M3A785GXH/128M motherboard, a reliable

motherboard produced underASRock’s consistently stringent quality control. It delivers

excellent performance with robust design conforming toASRock’s commitment to qual-

ity and endurance.

In this manual, chapter 1 and 2 contain introduction of the motherboard and step-by-step

guide to the hardware installation. Chapter 3 and 4 contain the configuration guide to

BIOS setup and information of the Support CD.

Because the motherboard specifications and the BIOS software might

be updated, the content of this manual will be subject to change without

notice. In case any modifications of this manual occur, the updated

version will be available on ASRock website without further notice. You

may find the latest VGA cards and CPU support lists on ASRock website

as well. ASRock website http://www.asrock.com

If you require technical support related to this motherboard, please visit

our website for specific information about the model you are using.

www.asrock.com/support/index.asp

1.11.1

1.1 Package ContentsPackage Contents

Package ContentsPackage Contents

Package Contents

1 x ASRock M3A785GXH/128M Motherboard

(ATX Form Factor: 12.0-in x 8.8-in, 30.5 cm x 22.4 cm)

1 x ASRock M3A785GXH/128M Quick Installation Guide

2 x ASRock M3A785GXH/128M Support CD

1 x Ultra ATA 66/100/133 IDE Ribbon Cable (80-conductor)

1 x Ribbon Cable for a 3.5-in Floppy Drive

2 x SerialATA (SATA) Data Cables (Optional)

1 x I/O Panel Shield

1 x ASRock SLI/XFire Switch Card

ASRock M3A785GXH/128M Motherboard

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1.21.2

1.2 SpecificationsSpecifications

SpecificationsSpecifications

Specifications

Platform -ATX Form Factor: 12.0-in x 8.8-in, 30.5 cm x 22.4 cm

- All Solid Capacitor design (100% Japan-made high-quality

Conductive Polymer Capacitors)

CPU - Support for SocketAM3 processors: AMDPhenomTM II X4 /

X3 / X2 (except 920 / 940) and Athlon II X4 / X3 / X2

processors

- Supports CPU up to 140W

- Supports AMD OverDriveTM with ACC feature (Advanced

Clock Calibration)

-AMDLIVE!TM Ready

- Supports AMD’s Cool ‘n’ QuietTM Technology

- FSB 2600 MHz (5.2 GT/s)

- Supports Untied Overclocking Technology (see CAUTION 1)

- Supports Hyper-Transport 3.0 (HT 3.0) Technology

Chipset -Northbridge:AMD 785G

- Southbridge:AMD SB710

Memory - Dual Channel DDR3 Memory Technology (see CAUTION 2)

- 4 xDDR3DIMM slots

- SupportDDR3 1600(OC)/1333/1066/800 non-ECC,

un-buffered memory (see CAUTION 3)

- Max. capacity of system memory: 16GB (see CAUTION 4)

Expansion Slot - 3 x PCI Express 2.0 x16 slots

(green @ x16 mode, blue @ x8 mode, orange @ x4 mode)

- 1 x PCI Express 2.0 x1 slot

- 2 x PCI slots

- Supports ATITM CrossFireXTM, Hybrid CrossFireXTM and

3-Way CrossFireXTM (see CAUTION 5)

Graphics - IntegratedAMDRadeon HD 4200 graphics

-DX10.1 class iGPU, Shader Model 4.1

- Max. shared memory 512MB (see CAUTION 6)

- Built-in 128MBDDR3 1333(OC)/1200MHz SidePort Memory

- Three VGAOutput options:D-Sub, DVI-D and HDMI

- Supports HDCP function

- Supports Full HD 1080p Blu-ray (BD) / HD-DVD playback

(see CAUTION 7)

Audio - 7.1 CH Windows®VistaTM Premium Level HDAudio

(ALC888 Audio Codec)

6ASRock M3A785GXH/128M Motherboard

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LAN - PCIE x1Gigabit LAN10/100/1000 Mb/s

- Realtek RTL8111DL

- Supports Wake-On-LAN

Rear Panel I/O I/OPanel

- 1 x PS/2 Keyboard Port

- 1 x VGA/D-Sub Port

- 1 x VGA/DVI-DPort

- 1 x HDMI Port

- 1 x Optical SPDIF Out Port

- 1 x IEEE 1394 Port

- 1 x eSATAII Port

- 6 x Ready-to-Use USB 2.0 Ports

-1 xRJ-45 LANPortwith LED(ACT/LINK LEDand SPEED LED)

- HDAudio Jack: Side Speaker/Rear Speaker/Central/Bass/

Line in/Front Speaker/Microphone (see CAUTION 8)

Connector - 6 x Serial ATAII 3.0Gb/s connectors, support RAID (RAID 0,

RAID 1, RAID10 and JBOD),NCQ,AHCI and “Hot Plug”

functions (see CAUTION 9)

- 1 x eSATAII 3.0Gb/s connector (shared with 1 SATAII

connector) (see CAUTION 10)

- 1 x ATA133 IDE connector (supports 2 x IDE devices)

- 1 x Floppy connector

- 1 x IR header

- 1 x COM port header

- 1 x IEEE 1394 header

- 1 x HDMI_SPDIF header

- CPU/Chassis/NB/Power FAN connector

- 24 pin ATX power connector

- 8 pin 12V power connector

- SLI/XFIRE power connector

- CD in header

- Front panel audio connector

- 3 x USB 2.0 headers (support 6 USB 2.0 ports)

(see CAUTION 11)

BIOS Feature - 8MbAMI BIOS

-AMI Legal BIOS

- Supports “Plug and Play”

-ACPI 1.1 Compliance Wake Up Events

- Supports jumperfree

- SMBIOS 2.3.1 Support

- CPU,DRAM,NB Voltage Multi-adjustment

- Supports Smart BIOS

ASRock M3A785GXH/128M Motherboard

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WARNING

Please realize that there is a certain risk involved with overclocking, including

adjusting the setting in the BIOS, applying Untied Overclocking Technology, or using

the third-party overclocking tools. Overclocking may affect your system stability, or

even cause damage to the components and devices of your system. It should be

done at your own risk and expense. We are not responsible for possible damage

caused by overclocking.

CAUTION!

1. This motherboard supports Untied Overclocking Technology. Please read

“Untied Overclocking Technology” on page 40 for details.

2. This motherboard supports Dual Channel Memory Technology. Before

you implement Dual Channel Memory Technology, make sure to read

the installation guide of memory modules on page 15 for proper

installation.

3. Whether 1600MHz memory speed is supported depends on the AM3

CPU you adopt. If you want to adopt DDR3 1600 memory module on this

motherboard, please refer to the memory support list on our website for

the compatible memory modules.

ASRock website http://www.asrock.com

Support CD - Drivers, Utilities, AntiVirus Software (Trial Version), AMD

OverDriveTM Utility, AMD Live! Explorer, AMD Fusion

Unique Feature - ASRock OC Tuner (see CAUTION 12)

- Intelligent Energy Saver (see CAUTION 13)

- Instant Boot

- ASRock Instant Flash (see CAUTION 14)

- Hybrid Booster:

- CPU Frequency Stepless Control (see CAUTION 15)

- ASRock U-COP (see CAUTION 16)

- Boot Failure Guard (B.F.G.)

Hardware - CPUTemperature Sensing

Monitor - Chassis Temperature Sensing

- CPU/Chassis/NB/Power Fan Tachometer

- CPU Quiet Fan

- Voltage Monitoring: +12V, +5V, +3.3V, Vcore

OS - Microsoft® Windows® XP / XP Media Center / XP 64-bit /

VistaTM / VistaTM 64-bit compliant

Certifications - FCC, CE, Microsoft®WHQL Certificated

- EuP Ready (EuP ready power supply is required)

(see CAUTION 17)

* For detailed product information, please visit our website: http://www.asrock.com

8ASRock M3A785GXH/128M Motherboard

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4. Due to the operating system limitation, the actual memory size may be

less than 4GB for the reservation for system usage under Windows®XP

and Windows®VistaTM. For Windows®XP 64-bit and Windows®VistaTM

64-bit with 64-bit CPU, there is no such limitation.

5. If you want to use CrossFireXTM or 3-Way CrossFireXTM function, please

follow the instructions on page 22 and 23 to reverse the direction of ASRock

SLI/XFire Switch Card in advance.

6. The maximum shared memory size is defined by the chipset vendor

and is subject to change. Please check AMD website for the latest

information.

7. 1080p Blu-ray (BD) / HD-DVD playback support on this motherboard re-

quires the proper hardware configuration. Please refer to page 11 and 12

for the minimum hardware requirement and the passed 1080p Blu-ray

(BD) / HD-DVD films in our lab test.

8. For microphone input, this motherboard supports both stereo and mono modes.

For audio output, this motherboard supports 2-channel, 4-channel, 6-channel,

and 8-channel modes. Please check the table on page 3 for proper connection.

9. Before installing SATAII hard disk to SATAII connector, please read the “SATAII

Hard Disk Setup Guide” on page 42 of “User Manual” in the support CD to

adjust your SATAII hard disk drive to SATAII mode. You can also connect

SATA hard disk to SATAII connector directly.

10. This motherboard supports eSATAII interface, the external SATAII

specification. Please read “eSATAII Interface Introduction” on page 37

for details about eSATAII and eSATAII installation procedures.

11. Power Management for USB 2.0 works fine under Microsoft®Windows®

VistaTM 64-bit / VistaTM / XP 64-bit / XP SP1 or SP2.

12. It is a user-friendly ASRock overclocking tool which allows you to surveil

your system by hardware monitor function and overclock your hardware

devices to get the best system performance under Windows®

environment. Please visit our website for the operation procedures of

ASRock OC Tuner. ASRock website: http://www.asrock.com

13. Featuring an advanced proprietary hardware and software design,

Intelligent Energy Saver is a revolutionary technology that delivers

unparalleled power savings. The voltage regulator can reduce the

number of output phases to improve efficiency when the CPU cores are

idle. In other words, it is able to provide exceptional power saving and

improve power efficiency without sacrificing computing performance.

To use Intelligent Energy Saver function, please enable Cool ‘n’ Quiet

option in the BIOS setup in advance. Please visit our website for the

operation procedures of Intelligent Energy Saver.

ASRock website: http://www.asrock.com

ASRock M3A785GXH/128M Motherboard

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14. ASRock Instant Flash is a BIOS flash utility embedded in Flash ROM.

This convenient BIOS update tool allows you to update system BIOS

without entering operating systems first like MS-DOS or Windows®. With

this utility, you can press <F6> key during the POST or press <F2> key to

BIOS setup menu to access ASRock Instant Flash. Just launch this tool

and save the new BIOS file to your USB flash drive, floppy disk or hard

drive, then you can update your BIOS only in a few clicks without prepar-

ing an additional floppy diskette or other complicated flash utility. Please

be noted that the USB flash drive or hard drive must use FAT32/16/12 file

system.

15. Although this motherboard offers stepless control, it is not recommended

to perform over-clocking. Frequencies other than the recommended CPU

bus frequencies may cause the instability of the system or damage the

CPU.

16. While CPU overheat is detected, the system will automatically shutdown.

Before you resume the system, please check if the CPU fan on the

motherboard functions properly and unplug the power cord, then plug it

back again. To improve heat dissipation, remember to spray thermal

grease between the CPU and the heatsink when you install the PC system.

17. EuP, stands for Energy Using Product, was a provision regulated by

European Union to define the power consumption for the completed system.

According to EuP, the total AC power of the completed system shall be

under 1.00W in off mode condition. To meet EuP standard, an EuP ready

motherboard and an EuP ready power supply are required. According to

Intel’s suggestion, the EuP ready power supply must meet the standard of

5v standby power efficiency is higher than 50% under 100 mA current

consumption. For EuP ready power supply selection, we recommend you

checking with the power supply manufacturer for more details.

1010

10 ASRock M3A785GXH/128M Motherboard

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1.31.3

1.3 TT

Two CrossFwo CrossF

wo CrossFwo CrossF

wo CrossFireXireX

ireXireX

ireXTMTM

TMTM

TM Graphics Card SupporGraphics Card Suppor

Graphics Card SupporGraphics Card Suppor

Graphics Card Support Listt List

t Listt List

t List

(for Windows®XP / XP 64-bit / VistaTM / VistaTM 64-bit)

Chipset Model Name Chipset Name Driver

Vendor

ATI

* The PCI Express VGA card with * mark is supported under Windows®VistaTM /

VistaTM 64-bit only.

* For the latest updates of the supported PCI Express VGA card list for

CrossFireXTM Mode, please visit our website for details.

ASRock website: http://www.asrock.com/support/index.htm

MSI RX2600PRO-T2D256EZ Radeon HD 2600PRO Catalyst 8.9

Gigabyte GV-RX26T256HP-B Radeon HD 2600XT Catalyst 8.9

Powercolor AX3650 512MMD3-XP RADEON 3650 Catalyst 8.9

Gigabyte GV-RX385256H-B RADEON 3850 Catalyst 8.9

Powercolor AX3870 512MD4-H RADEON 3870 Catalyst 8.9

Powercolor AX3870X2 1GBD3-H * RADEON 3870 Catalyst 8.9

Gecube GC-HD485PG3-E3 RADEON 4850 Catalyst 8.9

Powercolor AX4870 512MD5-H RADEON 4870 Catalyst 8.9

1.41.4

1.4 Three CrossFireXThree CrossFireX

Three CrossFireXThree CrossFireX

Three CrossFireXTMTM

TMTM

TM Graphics Card Support ListGraphics Card Support List

Graphics Card Support ListGraphics Card Support List

Graphics Card Support List

(for Windows®VistaTM / VistaTM 64-bit)

Chipset Model Name Chipset Name Driver

Vendor

ATI

* For the latest updates of the supported PCI Express VGA card list for 3-Way

CrossFireXTM Mode, please visit our website for details.

ASRock website: http://www.asrock.com/support/index.htm

Gecube GC-HD485PG3-E3 RADEON 4850 Catalyst 8.12

+ Hotfix

Powercolor AX4870 512MD5-H RADEON 4870 Catalyst 8.12

+ Hotfix

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