This publication, including all photographs, illustrations and
software, is protected under inte rna tional 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.
Intel, Pentium/II/III/IV, Celeron and MMX are registered
trademarks of Intel Corporation.
Microsoft, MS-DOS and Windows NT/95/98/ME/2000 are
registered trademarks of Microsoft Corporation.
PC-cillin is a registered trademark of Trend Micro Inc.
AMI is a registered trademark of American Megatrends Inc.
A3D is a registered trademark of Aureal Inc.
MediaRing Talk is a registered trademark of MediaRing Inc.
3Deep is a registered trademark of E-Color Inc.
SiS is a trademark of Silicon Integrated System Corporation.
Other names used in this publication may be trademarks and are
acknowledged.
This mainboard has a Socket-478 processor socket for Intel
Pentium 4 type of processors supporting front side bus (FSB)
speeds up to 400 MHz.
This mainboard has the SiS650 chipset that supports built-in AC97
Codec , 2DDR+ 2 SDR modules up to 2GB system memory, and
provides Ultra DMA 33/66/100 function. This mainboa rd
integrates a 256-bit 3D/2D Graphics Engine, Video Accelerator
and Advanced Hardware Acceleration MPEGI/MPEGII VideoDecoder for the Intel Pentium 4 series based PC systems. It has the
external AGP slot with AGP 4X 266 MHz capability and the
built-in 10BaseT/100BaseTX Network Interface. In addition, this
mainboard has a full set of I/O ports including two PS/2 ports for
mouse and keyboard, two serial ports, one parallel port, one
MIDI/game port and six USB ports (two backpanel ports, onboard
USB headers providing four extra ports). By means of the
Extended USB Module connected to the mainboard, you can make
two extra USB ports.
This mainboard is ATX size and has power connectors for an ATX
power supply and measures 305 x 244mm.
1
Mainboard User’s Manual
Key Features
The key features of this mainboard include:
Socket-478 Processor
♦ The PGA Socket 478
♦ Supports Intel Pentium 4 series CPUs
♦ Supports up to 400 MHz Front-Side Bus
Memory Support
♦ Two 168-pin DIMM slots for SDRAM memory modules
♦ Two 184-pin DIMM slots for DDR memory modules
♦ Support SDRAM up to 133 MHz /DDR up to 266 MHz
memory bus
♦ Maximum installed memory is 2GB
Notice: You can NOT use SDRAM and DDR simultaneously.
Expansion Slots
♦ One 2x/4xAGP slot for AGP 2.0-compliant interface
♦ One ACR slot ( Audio Communication Riser )
♦ Four 32-bit PCI slots for PCI 2.2-compliant bus interface
Onboard IDE channels
♦ Primary and Secondary PCI IDE channels
♦ Support for PIO (programmable input/output) modes
♦ Support for Multiword DMA modes
♦ Support for Bus Mastering and Ultra DMA 33/66/100
modes
Power Supply and Power Management
♦ ATX power supply connector
♦ Meets ACPI 1.0b and APM 1.2 requirements, keyboard
power on/off
♦ Supports RTC Alarm, Wake On Modem, AC97 Wake-Up
and USB Wake-Up
2
1: Introduction
Onboard VGA
♦ Supports AGP V2.0 Compliant
♦ Supports AGP 4X/2X interface abd Fast Write Transaction
♦ Supports high performance & high quality 3D
Accelerator—A built-in 256-bit 3D engine, up to 143 MHz
3D engine clock speed
♦ Supports high performance 128-bit 2D Accelerator—Ultra-
TM
AGPII
2GB/s data read for all 2D engine functions
♦ Maximum Share Memory size is 64MB
AC97 Audio Codec
♦ Compliant AC97 2.2 specification
♦ Supports 18-bit ADC (Analog Digital Converter) and DAC
(Digital Analog Converter) as well as 18-bit stereo fullduplex codec
Built-in Ethernet LAN
♦ Built-in 10BaseT/100BaseTX Ethernet LAN
♦ SiS961 Embedded Fast Ethernet MAC and onboard Realtek
RTL8201 LAN PHY compliant with IEEE802.3u
100BASE-TX, 10BASE-T and ANSI X3.263 TP-PMD
standards
♦ Compliant with ACPI 1.0 and the Network Device Class
Power Management 1.0
♦ High Performance provided by 100Mbps clock generator
and data recovery circuit for 100Mbps receiver
Onboard I/O Ports
The mainboard has a full set of I/O ports and connectors:
♦ Two PS/2 ports for mouse and keyboard
♦ Two serial ports
♦ One parallel port
♦ One MIDI/game port
♦ Six USB ports (two backpanel ports, onboard USB headers
providing four extra ports)
♦ Audio jacks for microphone, line-in and line-out
3
Mainboard User’s Manual
Hardware Monitoring
♦ Built-in hardware monitoring for CPU & System
temperatures, fan speeds and mainboard voltages.
Onboard Flash ROM
♦ Supports Plug and Play configuration of peripheral devices
and expansion cards
Bundled Software
♦PC-Cillin2000 provides automatic virus protection under
Windows 95/98/NT/2000
♦MediaRing Talk provides PC to PC or PC to Phone
internet phone communication
♦3Deep delivers the precise imagery and displays accurate
color in your monitor
♦WinDVD2000 is a DVD playback application (optional)
Dimensions
♦ ATX form factor 305 x 244mm
4
1: Introduction
Package Contents
Your mainboard package contains the following items:
!
The mainboard
!
The User’s Manual
!
One diskette drive ribbon cable
!
One IDE drive ribbon cable
!
Software support CD
!
Module Retention damp
!
One VGA extension bracket
Optional Accessories
You can purchase the following optional accessories for this
mainboard.
!
Extended USB module
!
AMR v.90 56K Fax/Modem card
5
Mainboard User’s Manual
Static Electricity Precautions
Components on this mainboard can be damaged by static
electricity. Take the following precautions when unpacking the
mainboard and installing it in a system.
1. Keep the mainboard and other components in their original
static-proof packaging until you are ready to install them.
2. During installation, 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. Handle the mainboard carefully by the edges. Avoid touching
the components unless it is absolutely necessary. During
installation put the mainboard on top of the static-protection
packaging it came in with the component side facing up.
Pre-Installation Inspection
1. Inspect the mainboard for damage to the components and
connectors on the board.
2. If you suspect that the mainboard has been damaged, do not
connect power to the system. Contact your mainboard vendor
and report the damage.
6
2: Mainboard Installation
Chapter 2
Mainboard Installation
To install this mainboard in a system, please follow the ins tru ct ions
in this chapter:
!
Identify the mainboard components
!
Install a CPU
!
Install one or more system memory modules
!
Verify that all jumpers or switches are set correctly
!
Install the mainboard in a system chassis (case)
!
Connect any extension brackets or cables to connecting
headers on the mainboard
!
Install other devices and make the appropriate connections to
the mainboard connecting headers.
Note:
1. Before installing this mainboard, make sure jumper JP4 is
under Normal setting. See this chapter for information about
locating JP4 and the setting options.
2. Never connect power to the system during installation;
otherwise, it may damage the mainboard.
7
Mainboard User’s Manual
Mainboard Components
Use the diagram below to identify the major components on the
mainboard.
Note: Any jumpers on your mainboard that do not appear in
the illustration above are for testin g only.
8
2: Mainboard Installation
I/O Ports
The illustration below shows a side view of the built-in I/O ports
on the mainboard.
1. Use the upper PS/2 port to connect a PS/2 pointing
device.
2. Use the lower PS/2 port to connect a PS/2 keyboard.
3. Use the USB ports to connect USB devices.
4. Use LPT1 to connect printers or other parallel
communications devices.
5. Use the COM ports to connect serial devices such
as mice or fax/modems. COM1 is identified by the
system as COM1/3. COM2 is identified by the
system as COM2/4.
6. Use the game port to connect a joystick or a MIDI
device.
7. Use the three audio ports to connect audio devices.
The left side jack is for a stereo line-out signal. The
middle jack is for a stereo line-in signal. The right
side jack is for a microphone.
8. Use this port to connect to the network.
9
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