ASROCK A790GXH-128M Le manuel du propriétaire

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ASRock A790GXH/128M Motherboard

EnglishEnglish

English

Copyright Notice:Copyright Notice:

Copyright Notice:

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 January 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

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ASRock A790GXH/128M Motherboard

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Motherboard LayoutMotherboard Layout

Motherboard Layout

1 PS2_USB_PW1 Jumper 21 Chassis Speaker Header

2 ATX 12V Power Connector (ATX12V1) (SPEAKER 1, Purple)

3 CPU Heatsink Retention Module 22 Chassis Fan Connector (CHA_FAN1)

4 AM2 940-Pin CPU Socket 23 USB 2.0 Header (USB8_9, Blue)

5 CPU Fan Connector (CPU_FAN1) 24 USB 2.0 Header (USB6_7, Blue)

6 2 x 240-pin DDR2 DIMM Slots 25 SPI Flash Memory (8Mb)

(Dual Channel A: DDRII_1, DDRII_2; Yellow) 26 USB 2.0 Header (USB10_11, Blue)

7 2 x 240-pin DDR2 DIMM Slots 27 Infrared Module Header (IR1)

(Dual Channel B: DDRII_3, DDRII_4; Orange) 28 Floppy Connector (FLOPPY1)

8 ATX Power Connector (ATXPWR1) 29 Serial Port Connector (COM1)

9 Primary IDE Connector (IDE1, Blue) 30 Front Panel Audio Header

10 North Bridge Fan Connector (NB_FAN1) (HD_AUDIO1, Lime)

11 Clear CMOS Jumper (CLRCMOS1) 31 Internal Audio Connector: CD1 (Black)

12 PCI Express x1 Slot (PCIE3; Green) 32 HDMI_SPDIF Header

13 Southbridge Controller (HDMI_SPDIF1, Yellow)

14 Fifth SATAII Connector (SATAII_5, Red) 33 PCI Slots (PCI1- 2)

15 Sixth SATAII Connector (SATAII_6, Red) 34 PCI Express 2.0 x16 Slot

16 Primary SATAII Connector (SATAII_1, Red) (PCIE2; Orange)

17 Third SATAII Connector (SATAII_3, Red) 35 PCI Express 2.0 x16 Slot (PCIE1; Green)

18 Fourth SATAII Connector (SATAII_4, Red) 36 Northbridge Controller

19 System Panel Header (PANEL1, Orange) 37 Power Fan Connector (PWR_FAN1)

20 Secondary SATAII Connector (SATAII_2, Red)

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ASRock A790GXH/128M Motherboard

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I/O PI/O P

I/O P

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 for Audio Output Connection

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

(No. 8) (No. 5) (No. 6) (No. 4)

2 V -- -- --

4VV----

6VVV--

8VVVV

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 SPEED LED

Status Description Status Description

Off No Activity Off 10Mbps connection

Blinking Data Activity Orange 100Mbps connection

Green 1Gbps connection

1 PS/2 Mouse Port (Green) 9 Microphone (Pink)

2 VGA/D-Sub Port 10 USB 2.0 Ports (USB01)

* 3 LAN RJ-45 Port 11 USB 2.0 Ports (USB23)

4 Side Speaker (Gray) 12 Optical SPDIF Out Port

5 Rear Speaker (Black) *** 13 HDMI Port

6 Central / Bass (Orange) 14 VGA/DVI-D Port

7 Line In (Light Blue) 15 PS/2 Keyboard Port (Purple)

** 8 Front Speaker (Lime)

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ASRock A790GXH/128M Motherboard

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To enable Multi-Streaming function, you need to connect a front panel audio cable to the front

panel audio header. After restarting your computer, you will find “VIA HD Audio Deck” tool on

your system. Please follow below instructions according to the OS you install.

For Windows

®

XP / XP 64-bit OS:

Please click “VIA HD Audio Deck” icon , and click “Speaker”. Then you are allowed to

select “2 Channel”, “4 Channel”, “6 Channel” or “8 Channel”. Click “Power” to save your

change.

For Windows

®

Vista

TM

/ Vista

TM

64-bit OS:

Please click “VIA HD Audio Deck” icon , and click “Advanced Options” on the left side

on the bottom. In “Advanced Options” screen, select “Independent Headphone”, and click

“OK” to save your change.

If you enable Multi-Streaming function, Side Speaker function will be disabled. You can only

choose to enable either Multi-Streaming function or Side Speaker function.

*** To support AC3 or DTS audio format with HDMI Audio under Vista

TM

, please install the

HDMI audio driver in XP support CD AAX790H-00.05.

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.

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ASRock A790GXH/128M Motherboard

1.1.

1.

IntroductionIntroduction

Introduction

Thank you for purchasing ASRock A790GXH/128M motherboard, a reliable motherboard

produced under ASRock’s consistently stringent quality control. It delivers excellent

performance with robust design conforming to ASRock’s commitment to quality 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

PP

P

ackack

ack

age Contentsage Contents

age Contents

1 x ASRock A790GXH/128M Motherboard

(ATX Form Factor: 12.0-in x 8.4-in, 30.5 cm x 21.3 cm)

1 x ASRock A790GXH/128M Quick Installation Guide

2 x ASRock A790GXH/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 Serial ATA (SATA) Data Cables (Optional)

1 x Serial ATA (SATA) HDD Power Cable (Optional)

1 x I/O Panel Shield

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1.21.2

1.2

SpecificationsSpecifications

Specifications

Platform - ATX Form Factor: 12.0-in x 8.4-in, 30.5 cm x 21.3 cm

- Solid Capacitor for CPU power

CPU - Support for Socket AM2+ / AM2 processors: AMD Phenom

TM

FX / Phenom / Athlon 64 FX / Athlon 64 X2 Dual-Core / Athlon

X2 Dual-Core / Athlon 64 / Sempron

processor

- AM3 CPU Ready

- Supports CPU up to 140W

- Supports AMD OverDrive

TM

with ACC feature (Advanced Clock

Calibration)

- AMD LIVE!

TM

Ready

- Supports AMD’s Cool ‘n’ Quiet

TM

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 790GX

- Southbridge: AMD SB750

Memory - Dual Channel DDR2 Memory Technology (see CAUTION 2)

- 4 x DDR2 DIMM slots

- Support DDR2 1066/800/667/533 non-ECC, un-buffered memory

(see CAUTION 3)

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

Expansion Slot - 2 x PCI Express 2.0 x16 slots

(green @ x16 mode, orange @ x4 mode)

- 1 x PCI Express 2.0 x1 slot

- 2 x PCI slots

- Supports ATI

TM

CrossFireX

TM

and Hybrid CrossFireX

TM

Graphics - Integrated AMD Radeon HD 3300 graphics

- DX10 class iGPU, Pixel Shader 4.0

- Max. shared memory 512MB (see CAUTION 5)

- Integrated 128MB side port memory for iGPU

- Three VGA Output options: D-Sub, DVI-D and HDMI

- Supports HDCP function

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

(see CAUTION 6)

Audio - 7.1 CH Windows

®

Vista

TM

Premium Level HD Audio

(VIA

®

VT1708S Audio Codec)

LAN - PCIE x1 Gigabit LAN 10/100/1000 Mb/s

- Realtek RTL8111DL

- Supports Wake-On-LAN

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Rear Panel I/O I/O Panel

- 1 x PS/2 Mouse Port

- 1 x PS/2 Keyboard Port

- 1 x VGA/D-Sub Port

- 1 x VGA/DVI-D Port

- 1 x HDMI Port

- 1 x Optical SPDIF Out Port

- 4 x Ready-to-Use USB 2.0 Ports

- 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED)

- HD Audio Jack: Side Speaker/Rear Speaker/Central/Bass/

Line in/Front Speaker/Microphone (see CAUTION 7)

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

RAID 1, RAID 5, RAID 10 and JBOD), NCQ, AHCI and “Hot Plug”

functions (see CAUTION 8)

- 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 HDMI_SPDIF header

- CPU/Chassis/NB/Power FAN connector

- 24 pin ATX power connector

- 8 pin 12V power connector

- CD in header

- Front panel audio connector

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

(see CAUTION 9)

BIOS Feature - 8Mb AMI 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

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

OverDrive

TM

Utility, AMD Live! Explorer, AMD Fusion

Unique Feature - ASRock OC Tuner (see CAUTION 10)

- Intelligent Energy Saver (see CAUTION 11)

- Instant Boot

- Hybrid Booster:

- CPU Frequency Stepless Control (see CAUTION 12)

- ASRock U-COP (see CAUTION 13)

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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.

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

- ASRock AM2 Boost: ASRock Patented Technology to boost

memory performance up to 12.5% (see CAUTION 14)

Hardware - CPU Temperature 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 /

Vista

TM

/ Vista

TM

64-bit compliant

Certifications - FCC, CE, Microsoft

®

WHQL Certificated

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

CAUTION!

1. This motherboard supports Untied Overclocking Technology. Please read

“Untied Overclocking Technology” on page 33 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 14 for proper

installation.

3. Whether 1066MHz memory speed is supported depends on the AM2+

CPU you adopt. If you want to adopt DDR2 1066 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

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

®

Vista

TM

. For Windows

®

XP 64-bit and Windows

®

Vista

TM

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

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

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

information.

6. 1080p Blu-ray (BD) / HD-DVD playback support on this motherboard re-

quires the proper hardware configuration. Please refer to page 10 and 11

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

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

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ASRock A790GXH/128M Motherboard

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7. 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.

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

Hard Disk Setup Guide” on page 36 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.

9. Power Management for USB 2.0 works fine under Microsoft

®

Windows

®

Vista

TM

64-bit / Vista

TM

/ XP 64-bit / XP SP1 or SP2.

10. 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

11. 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

12. Although this motherboard offers stepless control, it is not recom-

mended to perform over-clocking. Frequencies other than the recom-

mended CPU bus frequencies may cause the instability of the system

or damage the CPU.

13. 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.

14. This motherboard supports ASRock AM2 Boost overclocking technology. If

you enable this function in the BIOS setup, the memory performance will

improve up to 12.5%, but the effect still depends on the AM2 CPU you

adopt. Enabling this function will overclock the chipset/CPU reference clock.

However, we can not guarantee the system stability for all CPU/DRAM

configurations. If your system is unstable after AM2 Boost function is enabled,

it may not be applicative to your system. You may choose to disable this

function for keeping the stability of your system.

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1.31.3

1.3

Minimum Hardware Requirement for 1080p Blu-rayMinimum Hardware Requirement for 1080p Blu-ray

Minimum Hardware Requirement for 1080p Blu-ray

(BD) / HD(BD) / HD

(BD) / HD

-D-D

-D

VD Playback SupporVD Playback Suppor

VD Playback Suppor

tt

t

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

requires the proper hardware configuration. Please refer to below table

for the minimum hardware requirement.

CPU AMD Sempron Dual Core 2100

VGA Onboard VGA with DVI-D port

Memory Dual Channel DDR2 533, 1GB x 2

Suggested OS Windows

®

Vista

TM

or Windows

®

Vista

TM

64

* If you need to use CyberLink PowerDVD Ultra version 7.3, we suggest to disable

Hardware Acceleration function for better playback performance and compatibility.

After executing CyberLink PowerDVD Ultra program, please follow below steps to

disable Hardware Acceleration function.

A. Right-click the main page of CyberLink PowerDVD Ultra program.

B. Click “Configuration”.

C. Select “Video”.

D. Click “Enable hardware acceleration (ATI Avivo)” to remove the “V” mark in

this item.

E. Click “OK” to save the change.

* Currently, 1080p Blu-ray (BD) / HD-DVD playback is only supported under Windows

®

Vista

TM

/ Vista

TM

64-bit OS. If you install Windows

®

XP / XP 64-bit OS, the function of

1080p Blu-ray (BD) / HD-DVD playback is not available, please visit our website for

AMD 790GX VGA driver update in the future.

ASRock website http://www.asrock.com

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ASRock A790GXH/128M Motherboard

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1.41.4

1.4

PP

P

assed 1080p Blu-ray (BD) / HDassed 1080p Blu-ray (BD) / HD

assed 1080p Blu-ray (BD) / HD

-D-D

-D

VD FVD F

VD F

ilms in Our Lilms in Our L

ilms in Our L

abab

ab

TT

T

estest

est

DVD Film Name Format Producer

Type

Blu-ray SWORDFISH VC-1 WB

DVD UNDERWORLD EVOLUTION MPEG-2 SONY

THE LAST STAND MPEG-4-AVC FOX

CASINO ROYALE MPEG-4-AVC SONY

THE LEAGUE OF MPEG-4-AVC FOX

EXTRAORDINARY GENTLEMEN

HD- KING KONG VC-1 UNIVERSAL

DVD NEW ORLEANS CONCERT MPEG-2 WEA

THE INTERPRETER MPEG-4-AVC UNIVERSAL

* MPEG-4-AVC mentioned above refers to the same format of H.264.

* Above passed films are tested under below configuration.

Items Configurations

CPU AMD Sempron Dual Core 2100

VGA Onboard VGA with DVI-D port

Memory Dual Channel DDR2 533, 1GB x 2

OS Windows

®

Vista

TM

or Windows

®

Vista

TM

64

Playback Software CyberLink PowerDVD Ultra (Version 7.3 or above)

DVD Player Pioneer BDR-101A / LG GBW-H10N (BD)

HP HD100 (HD-DVD)

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ASRock A790GXH/128M Motherboard

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2.2.

2.

InstallationInstallation

Installation

This is an ATX form factor (12.0-in x 8.4-in, 30.5 cm x 21.3 cm) motherboard.

Before you install the motherboard, study the configuration of your chassis to ensure

that the motherboard fits into it.

Pre-installation PrecautionsPre-installation Precautions

Pre-installation Precautions

Take note of the following precautions before you install motherboard

components or change any motherboard settings.

Before you install or remove any component, ensure that the

power is switched off or the power cord is detached from the

power supply. Failure to do so may cause severe damage to the

motherboard, peripherals, and/or components.

1. Unplug the power cord from the wall socket before touching any

component.

2. To avoid damaging the motherboard components due to static

electricity, NEVER place your motherboard directly on the carpet or

the like. Also remember to use a grounded wrist strap or touch a

safety grounded object before you handle components.

3. Hold components by the edges and do not touch the ICs.

4. Whenever you uninstall any component, place it on a grounded anti-

static pad or in the bag that comes with the component.

5. When placing screws into the screw holes to secure the motherboard

to the chassis, please do not over-tighten the screws! Doing so may

damage the motherboard.

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ASRock A790GXH/128M Motherboard

2.12.1

2.1

CPU InstallationCPU Installation

CPU Installation

Step 1. Unlock the socket by lifting the lever up to a 90

o

angle.

Step 2. Position the CPU directly above the socket such that the CPU corner with

the golden triangle matches the socket corner with a small triangle.

Step 3. Carefully insert the CPU into the socket until it fits in place.

The CPU fits only in one correct orientation. DO NOT force the CPU

into the socket to avoid bending of the pins.

Step 4. When the CPU is in place, press it firmly on the socket while you push

down the socket lever to secure the CPU. The lever clicks on the side tab

to indicate that it is locked.

2.22.2

2.2

Installation of CPU Fan and HeatsinkInstallation of CPU Fan and Heatsink

Installation of CPU Fan and Heatsink

After you install the CPU into this motherboard, it is necessary to install a

larger heatsink and cooling fan to dissipate heat. You also need to spray

thermal grease between the CPU and the heatsink to improve heat

dissipation. Make sure that the CPU and the heatsink are securely fas-

tened and in good contact with each other. Then connect the CPU fan to

the CPU FAN connector (CPU_FAN1, see Page 2, No. 5). For proper

installation, please kindly refer to the instruction manuals of the CPU fan

and the heatsink.

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English

STEP 1:

Lift Up The Socket Lever

STEP 2 / STEP 3:

Match The CPU Golden Triangle

To The Socket Corner Small

Triangle

STEP 4:

Push Down And Lock

The Socket Lever

Lever 90° Up

CPU Golden Triangle

Socker Corner

Small Triangle

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ASRock A790GXH/128M Motherboard

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2.3 Installation of Memor2.3 Installation of Memor

2.3 Installation of Memor

y Modules (DIMM)y Modules (DIMM)

y Modules (DIMM)

This motherboard provides four 240-pin DDR2 (Double Data Rate 2) DIMM slots,

and supports Dual Channel Memory Technology. For dual channel configuration,

you always need to install identical (the same brand, speed, size and chip-type)

DDR2 DIMM pair in the slots of the same color. In other words, you have to install

identical DDR2 DIMM pair in Dual Channel A (DDRII_1 and DDRII_2; Yellow slots;

see p.2 No.6) or identical DDR2 DIMM pair in Dual Channel B (DDRII_3 and

DDRII_4; Orange slots; see p.2 No.7), so that Dual Channel Memory Technology

can be activated. This motherboard also allows you to install four DDR2 DIMMs for

dual channel configuration, and please install identical DDR2 DIMMs in all four

slots. You may refer to the Dual Channel Memory Configuration Table below.

Dual Channel Memory Configurations

DDRII_1 DDRII_2 DDRII_3 DDRII_4

(Yellow Slot) (Yellow Slot) (Orange Slot) (Orange Slot)

(1) Populated Populated - -

(2) - - Populated Populated

(3)* Populated Populated Populated Populated

* For the configuration (3), please install identical DDR2 DIMMs in all four slots.

1. If you want to install two memory modules, for optimal compatibil-

ity and reliability, it is recommended to install them in the slots of

the same color. In other words, install them either in the set of

yellow slots (DDRII_1 and DDRII_2), or in the set of orange slots

(DDRII_3 and DDRII_4).

2. If only one memory module or three memory modules are in-

stalled in the DDR2 DIMM slots on this motherboard, it is unable to

activate the Dual Channel Memory Technology.

3. If a pair of memory modules is NOT installed in the same Dual

Channel, for example, installing a pair of memory modules in

DDRII_1 and DDRII_3, it is unable to activate the Dual Channel

Memory Technology .

4. It is not allowed to install a DDR memory module into DDR2 slot;

otherwise, this motherboard and DIMM may be damaged.

5. If you adopt DDR2 1066 memory modules on this motherboard, it

is recommended to install them on DDRII_3 and DDRII_4 slots.

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ASRock A790GXH/128M Motherboard

Installing a DIMMInstalling a DIMM

Installing a DIMM

Please make sure to disconnect power supply before adding or

removing DIMMs or the system components.

Step 1. Unlock a DIMM slot by pressing the retaining clips outward.

Step 2. Align a DIMM on the slot such that the notch on the DIMM matches the break

on the slot.

The DIMM only fits in one correct orientation. It will cause permanent

damage to the motherboard and the DIMM if you force the DIMM into the

slot at incorrect orientation.

Step 3. Firmly insert the DIMM into the slot until the retaining clips at both ends fully

snap back in place and the DIMM is properly seated.

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2.4 Expansion Slots (PCI and PCI Express Slots)2.4 Expansion Slots (PCI and PCI Express Slots)

2.4 Expansion Slots (PCI and PCI Express Slots)

There are 2 PCI slots and 3 PCI Express slots on this motherboard.

PCI Slots: PCI slots are used to install expansion cards that have the 32-bit PCI

interface.

PCIE Slots:

PCIE1 (PCIE x16 slot; Green) is used for PCI Express x16 lane width

graphics cards, or used to install PCI Express graphics cards to support

CrossFireX

TM

function.

PCIE2 (PCIE x16 slot; Orange) is used for PCI Express x1 lane width

cards, such as Gigabit LAN card, SATA2 card, etc., or used to install PCI

Express graphics cards to support CrossFireX

TM

function.

PCIE3 (PCIE x1 slot; Green) is used for PCI Express cards with x1 lane

width cards, such as Gigabit LAN card and SATA2 card.

1. If you plan to install only one PCI Express VGA card on this

motherboard, please install it on PCIE1 slot (Green).

2. For the information of the compatible CrossFireX

TM

Mode PCI

Express VGA cards and CrossFireX

TM

setup procedures, please

refer to “CrossFireX

TM

Operation Guide” on page 20.

Installing an expansion cardInstalling an expansion card

Installing an expansion card

Step 1. Before installing the expansion card, please make sure that the power

supply is switched off or the power cord is unplugged. Please read the

documentation of the expansion card and make necessary hardware

settings for the card before you start the installation.

Step 2. Remove the system unit cover (if your motherboard is already installed in a

chassis).

Step 3. Remove the bracket facing the slot that you intend to use. Keep the screws

for later use.

Step 4. Align the card connector with the slot and press firmly until the card is

completely seated on the slot.

Step 5. Fasten the card to the chassis with screws.

Step 6. Replace the system cover.

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2. If you have installed onboard VGA driver from our support CD to your system

already, you can freely enjoy the benefits of multi monitor function after your

system boots. If you haven’t installed onboard VGA driver yet, please install

onboard VGA driver from our support CD to your system and restart your

computer. Then you can start to use multi monitor function on this motherboard.

When you playback HDCP-protected video from Blu-ray (BD) or

HD-DVD disc, the content will be displayed only in one of the three

monitors instead of all monitors.

2.5 Multi Monitor and Surround Display Features2.5 Multi Monitor and Surround Display Features

2.5 Multi Monitor and Surround Display Features

Multi Monitor Feature

This motherboard supports multi monitor feature. With the internal VGA output support

(DVI-D, D-Sub and HDMI), you can easily enjoy the benefits of multi monitor feature

without installing any add-on VGA card to this motherboard. This motherboard also

provides independent display controllers for DVI-D, D-Sub and HDMI to support multi

VGA output so that DVI-D, D-sub and HDMI can drive same or different display

contents.

To enable multi monitor feature, please follow the below steps:

1. Connect DVI-D monitor cable to VGA/DVI-D port on the I/O panel, connect D-Sub

monitor cable to VGA/D-Sub port on the I/O panel, and connect HDMI monitor

cable to HDMI port on the I/O panel.

VGA/D-Sub port

VGA/DVI-D port

HDMI port

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Surround Display Feature

This motherboard supports surround display upgrade. With the internal VGA output

support (DVI-D, D-Sub and HDMI) and external add-on PCI Express VGA cards, you

can easily enjoy the benefits of surround display feature.

Please refer to the following steps to set up a surround display environment:

1. Install the ATI

TM

PCI Express VGA cards on PCIE1 and PCIE2 slots. Please refer to

page 16 for proper expansion card installation procedures for details.

2. Connect DVI-D monitor cable to VGA/DVI-D port on the I/O panel, connect D-Sub

monitor cable to VGA/D-Sub port on the I/O panel, and connect HDMI monitor

cable to HDMI port on the I/O panel. Then connect other monitor cables to the

corresponding connectors of the add-on PCI Express VGA cards on PCIE1 and

PCIE2 slots.

3. Boot your system. Press <F2> to enter BIOS setup. Enter “Share Memory”

option to adjust the memory capability to [32MB], [64MB], [128MB] [256MB] or

[512MB] to enable the function of VGA/D-sub. Please make sure that the value

you select is less than the total capability of the system memory. If you do not

adjust the BIOS setup, the default value of “Share Memory”, [Auto], will disable

VGA/D-Sub function when the add-on VGA card is inserted to this motherboard.

4. Install the onboard VGA driver and the add-on PCI Express VGA card driver to

your system. If you have installed the drivers already, there is no need to install

them again.

5. Set up a multi-monitor display.

For Windows

®

XP / XP 64-bit OS:

Right click the desktop, choose “Properties”, and select the “Settings” tab

so that you can adjust the parameters of the multi-monitor according to the

steps below.

A. Click the “Identify” button to display a large number on each monitor.

B. Right-click the display icon in the Display Properties dialog that you wish

to be your primary monitor, and then select “Primary”. When you use

multiple monitors with your card, one monitor will always be Primary,

and all additional monitors will be designated as Secondary.

C. Select the display icon identified by the number 2.

D. Click “Extend my Windows desktop onto this monitor”.

E. Right-click the display icon and select “Attached”, if necessary.

F. Set the “Screen Resolution” and “Color Quality” as appropriate for the

second monitor. Click “Apply” or “OK” to apply these new values.

G. Repeat steps C through E for the diaplay icon identified by the number

one, two, three, four, five, six and seven.

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HDCP Function

HDCP function is supported on this motherboard. To use HDCP function

with this motherboard, you need to adopt the monitor that supports

HDCP function as well. Therefore, you can enjoy the superior display

quality with high-definition HDCP encryption contents. Please refer to

below instruction for more details about HDCP function.

What is HDCP?

HDCP stands for High-Bandwidth Digital Content Protection, a

specification developed by Intel

®

for protecting digital entertainment

content that uses the DVI interface. HDCP is a copy protection

scheme to eliminate the possibility of intercepting digital data

midstream between the video source, or transmitter - such as a

computer, DVD player or set-top box - and the digital display, or

receiver - such as a monitor, television or projector. In other words,

HDCP specification is designed to protect the integrity of content as it

is being transmitted.

Products compatible with the HDCP scheme such as DVD players,

satellite and cable HDTV set-top-boxes, as well as few entertain-

ment PCs requires a secure connection to a compliant display. Due

to the increase in manufacturers employing HDCP in their equipment,

it is highly recommended that the HDTV or LCD monitor you purchase

is compatible.

For Windows

®

Vista

TM

/ Vista

TM

64-bit OS:

Right click the desktop, choose “Personalize”, and select the “Display

Settings” tab so that you can adjust the parameters of the multi-monitor

according to the steps below.

A. Click the number ”2” icon.

B. Click the items “This is my main monitor” and “Extend the desktop onto

this monitor”.

C. Click “OK” to save your change.

D. Repeat steps A through C for the display icon identified by the number

three, four, five, six and seven.

6. Use Surround Display. Click and drag the display icons to positions representing

the physical setup of your monitors that you would like to use. The placement

of display icons determines how you move items from one monitor to another.

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What graphics cards work with CrossFireX

TM

?

A complete CrossFireX

TM

system requires a CrossFireX

TM

Ready motherboard, a

CrossFireX

TM

Edition graphics card and a compatible standard Radeon (CrossFireX

TM

Ready) graphics card from the same series, or two CrossFireX

TM

Ready cards. This

applies to cards from ATI

TM

or any of its partners. Please refer to below table for

CrossFireX

TM

VGA card support list according to the OS you install.

2.6 CrossFireX2.6 CrossFireX

2.6 CrossFireX

TMTM

TM

Operation Guide Operation Guide

Operation Guide

This motherboard supports CrossFireX

TM

feature. CrossFireX

TM

technology offers the

most advantageous means available of combining multiple high performance Graphics

Processing Units (GPU) in a single PC. Combining a range of different operating modes

with intelligent software design and an innovative interconnect mechanism, CrossFireX

TM

enables the highest possible level of performance and image quality in any 3D application.

Currently CrossFireX

TM

feature is supported with Windows

®

XP with Service Pack 2 and

Vista

TM

OS. Please check AMD website for ATI

TM

CrossFireX

TM

driver updates.

For Windows

®

XP

Vendor Chipset Model Driver

ATI Radeon 4850 Gecube GC-HD485PG3-E3 Catalyst 8.7

Radeon 3870 POWERCOLOR AX3870 512MD4-H Catalyst 8.7

Radeon 3850 Gigabyte GV-RX385256H-B Catalyst 8.7

Radeon 3650 POWERCOLOR AX3650 512MD3-XP Catalyst 8.7

Radeon HD 2600XT Gigabyte GV-RX26T256HP-B Catalyst 8.7

Radeon HD 2600PRO MSI RX2600PRO-T2D256EZ Catalyst 8.7

For Windows

®

Vista

Vendor Chipset Model Driver

ATI Radeon 4850 Gecube GC-HD485PG3-E3 Catalyst 8.7

Radeon 3870 POWERCOLOR AX3870 512MD4-H Catalyst 8.7

Radeon 3870 POWERCOLOR AX3870X2 1GBD3-H Catalyst 8.7

Radeon 3850 Gigabyte GV-RX385256H-B Catalyst 8.7

Radeon 3650 POWERCOLOR AX3650 512MD3-XP Catalyst 8.7

Radeon HD 2600XT Gigabyte GV-RX26T256HP-B Catalyst 8.7

Radeon HD 2600PRO MSI RX2600PRO-T2D256EZ Catalyst 8.7

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