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
static-proof 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 compo-
2. If you suspect this motherboard has been damaged, do not connect
nents and connectors on the board.
power to the system. Contact your mainboard vendor about those
damages.
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.
iii
1
Motherboard User’s Guide
Chapter 1 Introduction
This motherboard has onboard AMD Sempron™/Athlon™ processors with
Front Side Bus (FSB) 800 MHz and HyperTransport Technology.
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 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:
AMD Sempron™/Athlon™ Processors Support
•Supports AMD Sempron
™
/Athlon™ 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:
−HyperTransport compliant bus driver with auto compensation
capability
•Integrated Host-to-PCI Express Bridge:
−1 Gb/s performance in 133 MHz x 4 mode
−Distributed arbitration strategy with enhanced mode of contigu-
ous
DMA data streaming
•High Performance & High Quality 3D Graphics Accelerator:
−Built-in 32-bit floating point format VLIM triangle setup engine
−Built-in 2 pixel rendering pipelines and 4 texture units
2
Motherboard User’s Guide
Memory Support
•Two 184-pin DIMM sockets for DDR SDRAM memory modules
•Supports DDR 333/266 memory bus
•Maximum installed memory is 2 GB
Expansion Slots
•One PCI Express x16 slot
•Two 32-bit PCI slots for PCI 2.3-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
−Built-in dual display controllers to support independent dual dis-
plays
•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
3
Chapter 1: Introduction
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.
•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 10/100 Mbps 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
4
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 AT A 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.
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 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:
1Before 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.
2Never connect power to the system during installation; otherwise,
it may damage the motherboard.
5
Motherboard User’s Guide
Motherboard Components
ITEMLABELCOMPONENTS
1DDR1/2184-pin DDR SDRA M sockets
IR1Infrared header
2
PWR1Standard 24-Pin ATX Power connector
3
FDD1Floppy Disk Drive connector
4
IDE1Primary IDE connector
5
IDE2Secondary IDE connector
6
SATA1/2Serial ATA connectors
7
PANEL 1Front P anel Switch/LED header
8
SYS_FAN1System Fan connector
9
SP K1Speaker h eader
10
CLR_CMOS1 Clea r CMOS jumper
11
F_USB1/2Front Panel USB headers
12
CNR1CNR slot
13
PCI 1-232-bit PCI slots
14
CD_IN1Analog Audio Input header
15
SP DIFO1SPDIF Out header
16
PCI-E1PCI-Express x16 slot
17
F_AUDIO1 Front Panel Audio header
18
CPU_FAN1 CP U Fan conn ector( 3PIN)
19
PWR2Standard 4-Pin ATX Power connector
20
6
Chapter 2: Motherboard Installation
I/O Ports
The illustration below shows a side view of the built-in I/O ports on the
motherboard.
PS/2 Mouse
PS/2 Keyboard
Parallel Port (LPT1)
Ser ial Port (COM1)
VGA Port
LAN Port (optional)
USB Por ts
Audi o Ports
Use the upper PS/2 port to connect a PS/2 pointing
device.
Use the lower PS/2 port to connect a PS/2
keyboard.
Use the Parallel port to connect printers or other
parallel communications devices.
Use the COM port to connect serial devic es such
as mice or fax/modems. COM1 is identified by the
system as COM1.
Use the VGA port to connect VGA devices.
Connect an RJ-45 jack to the LAN port to connect
your computer to the Network.
Use the USB ports to connect USB devices.
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.
7
Motherboard User’s Guide
Installing Memory Modules
This motherboard accommodates two 184-pin DIMM sockets (Dual Inline
Memory Module) for unbuffered DDR 333/266 memory modules (Double
Data Rate SDRAM), and maximum 2 GB installed memory.
DDR SDRAM is a type of SDRAM that supports data transfers on both
edges of each clock cycle (the rising and falling edges), effectively doubling
the memory chip’s data throughput.
8
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