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VIA Technologies VT82C686A User Manual

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Mainboard User's Manual
This publication, including all photographs, illustrations and
software, is protected under 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.
Intel, Pentium, Pentium-II, Pentium-III, MMX, and Celeron are
registered trademarks of Intel Corporation.
Microsoft, MS-DOS and Windows 95/98/NT/2000 are registered
trademarks of Microsoft Corporation.
Sound Blaster is a trademark of Creative Technology Ltd.
PC-cillin and ChipAwayVirus are trademarks of Trend Micro Inc.
AMI is a trademark of American Megatrends Inc.
A3D is a registered trademark of Aureal Inc.
Gamut is a registered trademark of Formosoft International Inc.
SuperVoice is a registered trademark of Pacific Image
Communications Inc.
MediaRing Talk is a registered trademark of MediaRing Inc.
3Deep is a registered trademark of E-Color Inc.
Other names used in this publication may be trademarks and are
acknowledged.
Copyright © 2001
All Rights Reserved
M790 Series, V3.1A
V82X/January 2001

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  • Page 1 Mainboard User’s Manual This publication, including all photographs, illustrations and software, is protected under 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.
  • Page 2 Mainboard User’s Manual...

  • Page 3: Table Of Contents

    Mainboard User’s Manual Table of Contents Chapter 1: Introduction..............1 Key Features................2 Package Contents..............5 Static Electricity Precautions..........6 Pre-Installation Inspection............6 Chapter 2: Mainboard Installation..........7 Mainboard Components............8 I/O Ports..................9 Install CPU................10 Install Memory..............11 Setting Jumper Switches............12 Install the Mainboard............15 Optional Extension Brackets..........16 Install Other Devices............17 Expansion Slots..............19 Add-In Card Options............20 Chapter 3: BIOS Setup Utility............21...
  • Page 4 Mainboard User’s Manual Appendix A: Corel WordPerfect Suite 8 .........A1 Welcome to Corel WordPerfect Suite 8 ......A2 Installing Corel WordPerfect Suite 8 ........A6 Learning how to use Corel WordPerfect Suite 8 ....A9 Support and Services ............A13 Appendix B: Gamut2000 ............B1 1.

  • Page 5: Chapter 1: Introduction

    1: Introduction Chapter 1 Introduction This mainboard is a versatile high-end and workstation class product with an ATX form factor. The mainboard features dual Socket 370 CPU sockets which uses an Intel Celeron PPGA/FC-  PGA series processors, or dual FC-PGA Pentium III series processors, or a Cyrix III series processors at 66/100/133MHz FSB.

  • Page 6: Key Features

    Mainboard User’s Manual Key Features The key features of this mainboard include: Socket-370 Processor Support  Supports PPGA/FCPGA Celeron CPUs (using a single processor only)  FCPGA Pentium III CPUs are supported (using single or dual processors)  Supports Cyrix MIII CPUs (using a single processor only) ...
  • Page 7 1: Introduction AC97 Codec  Compliant PC97 2.1 specification  Supports 18-bit ADC (Analog Digital Converter) and DAC (Digital Analog Converter) as well as 18-bit stereo full- duplex codec Onboard I/O Ports  Provides PC99 Color Connectors for easy peripheral device connections ...
  • Page 8 Mainboard User’s Manual  Corel WordPerfect Suite 8 is an office application suite under Windows® (optional)  WinDVD2000 is a DVD playback application (optional) Dimensions  ATX form factor (30.5cm x 24.4cm)

  • Page 9: Package Contents

    1: Introduction Package Contents Attention: This mainboard series includes two different models. They are M790MR (Modem Ready) and M790 (without Modem). Please contact your local supplier for your purchase model. Each model will support different specification, list as below: Model Specification M790MR Support an AMR v.90 56K Fax/Modem card...

  • Page 10: Static Electricity Precautions

    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.

  • Page 11: Chapter 2: Mainboard Installation

    2: Mainboard Installation Chapter 2 Mainboard Installation To install this mainboard in a system, follow the procedures in this chapter: Identify the mainboard components  Install CPU  Verify that any jumpers or switches are set correctly  Install the mainboard in a system chassis (case) ...

  • Page 12: Mainboard Components

    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 this illustration are for testing only.

  • Page 13: I/O Ports

    2: Mainboard Installation I/O Ports The illustration below shows a side view of the built-in I/O ports on the mainboard. Caution: When installing a CPU heatsink and cooling Cooling fan and heat sink fan make sure that you DO NOT scratch the motherboard or any of the surface-mount resistors with the clip of the cooling fan.

  • Page 14: Install Cpu

    Mainboard User’s Manual Install CPU This mainboard has dual Socket-370 which support a Celeron PPGA/FCPGA, a Cyrix MIII, or a/dual FCPGA Pentium III processors. Do not try to install a Socket 7 processor in the Socket-370. A Socket 7 processor such as the Pentium-MMX, or the AMD K5/K6 does not fit in the Socket 370.

  • Page 15: Install Memory

    2: Mainboard Installation CPUFAN2 CPUFAN1 CPU2 CPU1 Pin-1 Corner 5. Swing the locking lever down and hook it under the catch on the side of the socket. This secures the CPU in the socket. 6. All processors should be installed with a combination heatsink/ cooling fan, connect the cable from the fan to the CPU fan power connector CPUFAN1/2.

  • Page 16: Setting Jumper Switches

    Mainboard User’s Manual DIMM2 DIMM1 DIMM3 For this mainboard, you must use 168-pin, 3.3V unbuffered SDRAM/VCM SDRAM memory modules. If the installed CPU uses a 100MHz system bus, you must use PC100 or PC133 memory. If the installed CPU uses a 133MHz system bus, you must use PC133 memory.
  • Page 17 2: Mainboard Installation JP10 Jumper JP1: Clear CMOS Memory Use this jumper to clear the contents of the CMOS memory. You may need to clear the CMOS memory if the settings in the Setup Utility are incorrect and prevent your mainboard from operating. To clear the CMOS memory, disconnect all the power cables from the mainboard and then move the jumper cap into the CLEAR setting for a few seconds.
  • Page 18 Mainboard User’s Manual Jumper JP5: BIOS Flash Protect Selector Use this jumper to enable or disable the BIOS flash protection on the mainboard. You should disable this jumper when you want to flash the BIOS. Function Jumper Setting Disable Short Pins 1-2 Enable (read only) Short Pins 2-3 Jumper JP6, JP7: Set System Bus 100/133 MHz Forced...

  • Page 19: Install The Mainboard

    2: Mainboard Installation Install the Mainboard Install the mainboard in a system chassis (case). The board is an ATX size mainboard with a twin-tier of I/O ports. You can install this mainboard in an ATX case. Ensure that your case has an I/O cover plate that matches the ports on this mainboard.

  • Page 20: Optional Extension Brackets

    Mainboard User’s Manual Optional Extension Brackets For this mainboard, you can also obtain an USB module extension bracket. Install them by following the steps below. Note: All the ribbon cables used on the extension brackets have a red stripe on the Pin-1 side of the cable. Extended USB Module This module bracket has two USB ports for more USB devices (USB port 3-4).

  • Page 21: Install Other Devices

    2: Mainboard Installation Install Other Devices Install and connect any other devices in the system following the steps below. IDE1 IDE2 FDD1 Floppy Disk Drive The mainboard ships with a floppy disk drive cable that can support one or two drives. Drives can be 3.5” or 5.25” wide, with capacities of 360K, 720K, 1.2MB, 1.44MB, or 2.88MB.
  • Page 22 Mainboard User’s Manual configure the device as a Master or Slave device. The Master device connects to the end of the cable. Install the device(s) and connect power from the system power supply. Use the cable provided to connect the device(s) to the Primary IDE channel connector IDE1 on the mainboard.

  • Page 23: Expansion Slots

    2: Mainboard Installation Expansion Slots This mainboard has one AGP slot, four 32-bit PCI expansion slots and one AMR slot. AGP1 PCI1 PCI2 PCI3 PCI4 AMR1 Follow the steps below to install an add-in card to one of the slots. 1.

  • Page 24: Add-In Card Options

    Mainboard User’s Manual 5. Secure the bracket of the card into the expansion slot in the system chassis using the screw that held the blanking plate in place. Add-In Card Options This mainboard has a Wake On LAN and a Wake On Modem connectors that can be used by an installed network adapter and an installed modem adapter.

  • Page 25: Chapter 3: Bios Setup Utility

    3: BIOS Setup Utility Chapter 3 BIOS Setup Utility Introduction The BIOS Setup Utility records settings and information about your computer such as the date and time, the kind of hardware installed, and various configuration settings. Your computer uses this information to initialize all the components when booting up and functions as the basis for coordination between system components.

  • Page 26: Running The Setup Utility

    Mainboard User’s Manual Running the Setup Utility Each time your computer starts, before the operating system loads, a message appears on the screen that prompts you to “Hit <DEL> if you want to run SETUP”. When you see this message, press the Delete key and the Main menu page of the Setup Utility appears on your monitor.

  • Page 27: Standard Cmos Setup Page

    3: BIOS Setup Utility Standard CMOS Setup Page Use this page to set basic information such as the date and time, the IDE devices, and the diskette drives. If you press the F3 key, the system will automatically detect and configure the hard disks on the IDE channels.

  • Page 28: Advanced Setup Page

    Mainboard User’s Manual Advanced Setup Page Use this page to set more advanced information about your system. Take some care with this page. Making changes can affect the operation of your computer. AMIBIOS SETUP – ADVANCED SETUP (C) 2000 American Megatrends, Inc. All Rights Reserved Trend ChipAway Virus Enabled Quick Boot...
  • Page 29 3: BIOS Setup Utility drive B becomes drive A. Floppy Drive If you enable this item, your system will check the diskette drives at start up time. Disable this item Seek unless you are using an old 360K diskette drive. Password Check If you have installed a password on your system, use this item to determine if the password is...

  • Page 30: Power Management Setup Page

    Mainboard User’s Manual Power Management Setup Page This page sets some of the parameters for the system power management operation. AMIBIOS SETUP – POWER MANAGEMENT SETUP (C) 2000 American Megatrends, Inc. All Rights Reserved Power Management/APM Disabled ACPI Standby State S1/POS USB Wakeup From S3-S5 Disabled...
  • Page 31 3: BIOS Setup Utility LAN Card Power If you enable this item, network traffic to the LAN adapter can resume the system from a power-saving mode or a software power down. Resume On RTC If you enable this item, you can set an alarm on Alarm the system realtime clock that will resume the system from a power-saving mode or a...

  • Page 32: Pci / Plug And Play Setup Page

    Mainboard User’s Manual PCI / Plug and Play Setup Page This page sets some of the parameters for devices installed on the system PCI bus, and devices that use the system plug and play capability. AMIBIOS SETUP – PCI / PLUG AND PLAY SETUP (C) 2000 American Megatrends, Inc.

  • Page 33: Load Optimal Settings

    3: BIOS Setup Utility Load Optimal Settings If you select this item and press Enter a dialog box appears. If you press Y, and then Enter, the setup utility is loaded with a set of optimal default values. The optimal default values are not very demanding and they should allow your system to function with most kinds of hardware and memory chips.

  • Page 34: Features Setup Page

    Mainboard User’s Manual Features Setup Page This page sets some of the parameters for peripheral devices installed on the system. AMIBIOS SETUP – Features SETUP (C) 2000 American Megatrends, Inc. All Rights Reserved OnBoard FDC Enabled USB Controller USB Port0&1 OnBoard Serial Port1 3F8h/COM1 USB Function for DOS...
  • Page 35 3: BIOS Setup Utility Parallel Port Mode Use this item to determine the parallel port mode. You can select Normal, ECP (Extended Capabilities Port), EPP (Enhanced Parallel Port), or Bi-Dir. EPP Version Use this item to define the EPP version if the parallel port is EPP mode.

  • Page 36: Cpu Pnp Setup Page

    Mainboard User’s Manual CPU PnP Setup Page This page lets you manually or automatically to configure the mainboard for the CPU. AMIBIOS SETUP – CPU PnP SETUP (C) 2000 American Megatrends, Inc. All Rights Reserved CPU Type Intel CPU Speed Manual CPU Ratio CPU Base Freq.

  • Page 37: Hardware Monitor Page

    3: BIOS Setup Utility Hardware Monitor Page This page lets you set the parameters for hardware monitoring and manually or automatically configure the mainboard for the CPU. AMIBIOS SETUP – HARDWARE MONITOR (C) 2000 American Megatrends, Inc. All Rights Reserved --- System Hardware Monitor --- CPU1 Temperature 30°C/86°F...

  • Page 38: Change Password

    Mainboard User’s Manual Change Password If you highlight this item and press Enter, a dialog box appears which lets you enter a password. You can enter no more than six letters or numbers. Press Enter after you have typed in the password.

  • Page 39: Chapter 4: Software & Applications

    4: Software & Applications Chapter 4 Software & Applications Introduction The support software CD-ROM that is included in the mainboard package contains all the drivers and utility programs needed to properly run our products. Below you can find a brief description of each software program, and the location for your mainboard version.
  • Page 40 Mainboard User’s Manual Note: The correct path name for each software driver is provided, where D: identifies the CD-ROM drive letter – modify if necessary. Bus Master IDE Driver The IDE Bus Master Drivers allows the system to properly manage the IDE channels on the mainboard.

  • Page 41: Auto-Installing Under Windows 98

    4: Software & Applications PC-Cillin Software The PC-cillin software program provides anti-virus protection for your system. This program is available for:  DOS – D:\PC-CILLIN\DOS\PCSCAN.EXE  Win9x – D:\PC-CILLIN\WIN98\SETUP.EXE Auto-installing under Windows 98 The support software CD-ROM disc loads automatically under Windows 98.
  • Page 42 Mainboard User’s Manual Installing Software with Auto Setup To install support software for the system board follow this procedure: 1. Click on the Setup button. The install program will load and display the following screen. Click the Next button. 2. Select the items that you want to setup by clicking on it (the default options are recommended).
  • Page 43 4: Software & Applications to restart as few times as is needed to complete installing whatever software you selected to install. When the process is finished, all the support software will be installed and working. There are some utilities that you have to manually install if you need, check to the above section.

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