ECS A31G Series User Manual
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Motherboard User’s Guide
This publication, including photographs, illustrations and software, is under the
protection of international copyright laws, with all rights reserved. Neither this
manual, nor any of the material contained herein, may be reproduced without the
express written consent of the manufacturer.
The information in this document is subject to change without notice. The
manufacturer makes no representations or warranties with respect to the
contents hereof and specifically disclaims any implied warranties of merchantability or fitness for any particular purpose. Further, the manufacturer reserves
the right to revise this publication and to make changes from time to time in the
content hereof without obligation of the manufacturer to notify any person of
such revision or changes.
Trademarks
IBM, VGA, and PS/2 are registered trademarks of International Business
Machines.
AMD, Athlon 64 Sempron are registered trademarks of Advanced Micro Devices
Inc.
Microsoft, MS-DOS and Windows 98SE/ME/NT/2000/XP are registered
trademarks of Microsoft Corporation.
AMI is a registered trademark of American Megatrends Inc.
Other names used in this publication may be trademarks and are acknowledged.
Static Electricity Precautions
1. Don’t take this motherboard and components out of their original staticproof package until you are ready to install them.
2. While installing, please wear a grounded wrist strap if possible. If you
don’t have a wrist strap, discharge static electricity by touching the bare
metal of the system chassis.
3. Carefully hold this motherboard by its edges. Do not touch those
components unless it is absolutely necessary. Put this motherboard on
the top of static-protection package with component side facing up
while installing.
Pre-Installation Inspection
1. Inspect this motherboard whether there are any damages to components
and connectors on the board.
2. If you suspect this motherboard has been damaged, do not connect
power to the system. Contact your mainboard vendor about those
damages.
Copyright © 2005
All Rights Reserved
A31G Series, V1.0
October 2005
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Motherboard User’s Guide
Table of Content s
Trademark............................................................................................................i
Chapter 1: Introduction..................................................................................... 1
Key Features .................................................................................................................... 1
Package Contents ........................................................................................................... 4
Chapter 2: Motherboard Installation .............................................................. 5
Motherboard Components ............................................................................................ 6
I/O Ports .......................................................................................................................... 7
Installing the Processor ................................................................................................. 7
Installing Memory Modules .......................................................................................... 8
Jumper Settings ............................................................................................................10
Install the Motherboard ............................................................................................... 1 0
Connecting Optional Devices ..................................................................................... 1 2
Install Other Devices ....................................................................................................15
Expansion Slots ............................................................................................................17
Chapter 3: BIOS Setup Utility ....................................................................... 21
Introduction ..................................................................................................................21
Running the Setup Utility ...................................................…………………………...21
Standard CMOS Setup Page .......................................................................................22
Advanced Setup Page ..................................................................................................23
Features Setup Page ....................................................................................................24
Power Management Setup Page ................................................................................26
PCI/Plug and Play Setup Page ..................................................................................27
BIOS Security Features Setup Page ...........................................................................28
CPU PnP Setup Page ..................................................................................................28
Hardware Monitor Page ..............................................................................................29
Load Optimal Defaults ................................................................................................30
Save Changes and Exit ................................................................................................ 30
Discard Changes and Exit ...........................................................................................30
Chapter 4: Software & Applications .............................................................. 31
Introduction ..................................................................................................................31
Installing Support Software ........................................................................................ 3 1
Bundled Software Installation ....................................................................................33
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Motherboard User’s Guide
Notice:
1. Owing to Microsoft’s certifying schedule is various to every supplier, we
might have some drivers not certified yet by Microsoft. Therefore, it
might happen under Windows XP that a dialogue box (shown as below)
pops out warning you this software has not passed Windows Logo
testing to verify its compatibility with Windows XP. Please rest assured
that our RD department has already tested and verified these drivers.
Just click the “Continue Anyway” button and go ahead the installation.
2. USB 2.0 Driver Limitations:
2-1. The USB 2.0 driver only supports Windows XP and Windows 2000.
2-2. If you connect a USB 2.0 hub to the root hub, plugging USB devices
into this hub, the system might not successfully execute certain USB
devices’ connection because it could not recognize these devices.
Currently, we are working on such limitations’ solution. As soon as the
olution is done, the updated USB drive will be released to our website:
www.pcchips.com for your downloading.
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Motherboard User’s Guide
Chapter 1 Introduction
This motherboard has a Socket-754 supporting the newest and advanced AMD
Athlon 64/Sempron with HyperTransport Technology processors and FrontSide Bus (FSB) speeds up to 800 MHz.
It integrates the SiS761GX Northbridge and SiS965L Southbridge that supports
the built-in USB 2.0 providing higher bandwidth, implementing Universal Serial
Bus Specification Revision 2.0 and is compliant with UHCI 1.1 and EHCI 0.95.
It supports AC’ 97 Audio Codec and provides Ultra DMA 133/100/66 function.
It has one PCI Express x16, one AGPro, one CNR and two 32-bit PCI slots.
There is a full set of I/O ports including two PS/2 ports for mouse and keyboard,
one serial port, one parallel port, one LAN port(optional), one VGA port, three
audio jacks for Line-in, Line-out and Microphone, four back-panel USB2.0 ports
and onboard USB headers providing extra ports by connecting the Extended USB
Module to the motherboard.
This motherboard is a Micro ATX size motherboard and has power connectors
for an ATX power supply.
Key Features
The key features of this motherboard include:
Socket-754 Processor Support
• Supports AMD Athlon 64/Sempron processors
• Supports Front-Side Bus 800 MHz
Note: HyperTransport Technology is a point-to-point link between two
devices, it enables integrated circuits to exchange information at much
higher speeds than currently available interconnect technologies.
Chipset
There are SiS761GX Northbridge and SiS965L Southbridge in this chipset in
accordance with an innovative and scalable architecture with proven reliability
and performance.
• High Performance Host Interface:
-Supports AMD Athlon 64, Athlon 64FX, Sempron CPUs
−HyperTransport compliant bus driver with auto compensation
capability
• Integrated Host-to-PCI Express Bridge:
−1 GB/s performance in 133MHz x 4 mode
−Distributed arbitration strategy with enhanced mode of contiguous
DMA data streaming
• High Performance & High Quality 3D Graphics Accelerator:
−Built-in 32-bit floating point format VLIM triangle setup engine
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Motherboard User’s Guide
−Built-in 2 pixel rendering pipelines and 4 texture units
• Complete TV -OUT/Digital Flat Panel Solution:
−Built-in dual display controllers to support independent dual displays
• PCI 2.3 Specification Compliance
• Integrated Multithreaded I/O Link Mastering
• Multithread I/O Link Mastering with Read/Write Concurrent and Read/
Read Pipeline Transaction
Memory Support
• Two 184-pin 2.5V DIMM sockets for DDR SDRAM memory modules
• Supports DDR400/333/266 memory bus
• Maximum installed memory is 2GB
Expansion Slots
• One AGPro slot
• One PCI Express x16 slot
• Two 32-bit PCI slots for PCI 2.2-compliant bus interface
• One CNR slot
Onboard IDE channels
• Two IDE Connectors
• Supports PIO (Programmable Input/Output) and DMA (Direct Memory
Access) modes
• Supports IDE Ultra DMA bus mastering with transfer rates of 133/100/
66 MB/sec
Serial AT A
• Two Serial ATA Connectors
• Transfer rate exceeding best ATA (~150 MB/s) with scalability to higher
rates
• Low pin count for both host and devices
AC’97 Codec
• AC ’97 2.3 COMPATIBLE
• FEATURES6 DAC Channels for 5.1 Surround
• 90 dB Dynamic Range
• 20-Bit PCM DACs
• S/PDIF OutputIntegrated Stereo Headphone Amplifiers
• Phone, Aux, and Line-In
• High Quality CD Input
• Selectable MIC Input
• Mono Output
• External Amplifier Power-Down Control
Onboard I/O Ports
• Two PS/2 ports for mouse and keyboard
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Chapter 1: Introduction
• One serial port
• One parallel port
• One VGA port
• Four back-panel USB2.0 ports
• One LAN port (optional)
• Audio jacks for microphone, line-in and line-out
Fast Ethernet LAN (optional)
• Supports 10/100Mbps operation and half/full duplex operation
• IEEE 802.3/802.3u compliant
• Supports IEEE 802.3u clause 28 auto negotiation
• Supports operation under Link Down Power Saving mode
• Supports Base Line Winder (BLW) compensation
• Adaptive Equalization
USB 2.0
• Compliant with Universal Serial Bus Specification Revision 2.0
• Compliant with Intel’s Enhanced Host Controller Interface Specification
Revision 1.0
• Compliant with Universal Host Controller Interface Specification
Revision 1.1
• PCI multi-function device consists of two UHCI Host Controller cores
for full-/low-speed signaling and one EHCI Host Controller core for
high-speed signaling
• Root hub consists 4 downstream facing ports with integrated physical
layer transceivers shared by UHCI and EHCI Host Controller, up to
eight functional ports
• Support PCI-Bus Power Management Interface Specification release 1.1
• Legacy support for all downstream facing ports
BIOS Firmware
This motherboard uses AMI BIOS that enables users to configure many system
features including the following:
• Power management
• Wake-up alarms
• CPU parameters and memory timing
• CPU and memory timing
The firmware can also be used to set parameters for different processor clock
speeds.
Dimensions
• Micro ATX form factor of 244 x 200 mm
Note: Hardware specifications and software items are subject to change
without notification.
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Motherboard User’s Guide
Package Contents
Y our motherboard package ships with the following items:
The motherboard
The User’s Guide
One diskette drive ribbon cable (optional)
One IDE drive ribbon cable
The Software support CD
Optional Accessories
Y ou can purchase the following optional accessories for this motherboard.
The Extended USB module
The CNR v.90 56K Fax/Modem card
The Serial ATA cable
The Serial ATA power cable
Note: You can purchase your own optional accessories from the third party,
but please contact your local vendor on any issues of the specification
and compatibility.
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Chapter 2: Motherboard Installation
Chapter 2 Motherboard Installation
To install this motherboard in a system, please follow these instructions in this
chapter:
Identify the motherboard components
Install a CPU
Install one or more system memory modules
Make sure all jumpers and switches are set correctly
Install this motherboard in a system chassis (case)
Connect any extension brackets or cables to headers/connectors on the
motherboard
Install peripheral devices and make the appropriate connections to
headers/connectors on the motherboard
Note:
1 Before installing this motherboard, make sure jumper CLR_CMOS1
is under Normal setting. See this chapter for information about
locating CLR_CMOS1 and the setting options.
2 Never connect power to the system during installation; otherwise, it
may damage the motherboard.
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Motherboard User’s Guide
Motherboard Components
IT EM LABEL COMPONENTS
1 CPU Socket Socket-754 for Athlon 64/ Sempron
CPUs
2 DDR1/2 184-pin DDR SDRAM sockets
3 IR1 Infrared header
4 PWR1 Standard 24-Pin ATX Power connector
5 IDE1/2 Primary /Sec ondar y IDE connector
6 FDD1 Floppy Disk Drive connec tor
7 SA TA1/2 Serial ATA connectors
8 PANEL1 Front Panel Switch/LED header
9 SYS FAN1 System Fan connector
10 SPK1 Speaker header
11 CLR_CMOS1 Clear CMOS jumper
12 F_USB1/2 Front Panel USB header s
13 CNR1 CNR slot
14 PCI 1-2 32-bit PCI slots
15 CD_IN1 Analog Audio Input header
16 SPDIFO1 SPDIF Out header
17 AGPPRO1 AGPro slot
18 PCI-E1 PCI-Express x16 slot
19 F_AUDI O1 Front P anel Audio header
20 CPU_FAN1 CPU Fan connec tor (3PIN)
21 PWR2 Standard 4-Pin ATX Pow er connector
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Chapter 2: Motherboard Installation
I/O Ports
The illustration below shows a side view of the built-in I/O ports on the
motherboard.
Installing the Processor
This motherboard has a socket 754 processor socket. When choosing a processor, consider the performance requirements of the system. Performance is based
on the processor design, the clock speed and system bus frequency of the
processor, and the quantity of internal cache memory and external cache
memory.
PS/2 Mous e
Use the upper PS/2 port to connect a PS/2 pointing
device.
PS/2 Keyboard
Use the lower PS/2 port to connect a PS/2
keyboard.
Par allel Port (LPT1 )
Use the Parallel port to connect printers or other
parallel communications devices.
Ser ial Port (COM1)
Use the COM port to connect serial devices such
as mice or fax/modems. COM1 is identified by the
system as COM1.
VGA Port
Use the VGA port to connect VGA devices.
LAN Port (opti o nal)
Connect an RJ-45 jack to the LAN port to connect
your computer to the Network.
USB Por ts
Use the USB ports to connect USB devices.
Audio Ports
Use these three audio jacks to connect audio
devices. The first jack is for stereo Line-In signal,
the second jack for stereo Line-Out signal, and the
third jack for Microphone.
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