Abit VA-20 Manuel utilisateur

VA-20

AMD Athlon™XP / Athlon™/ Duron™

Socket 462 System Board

User’s Manual

Rev. 1.00

The information in this document is subject to change without notice and does not

represent a commitment on part of the vendor, who assumes no liability or

responsibility for any errors that may appear in this manual.

No warranty or representation, either expressed or implied, is made with respect to the

quality, accuracy or fitness for any particular part of this document. In no event shall

the manufacturer be liable for direct, indirect, special, incidental or consequential

damages arising from any defect or error in this manual or product.

Product names appearing in this manual are for identification purpose only and

trademarks and product names or brand names appearing in this document are

property of their respective owners.

This document contains materials protected under International Copyright Laws. All

rights reserved. No part of this manual may be reproduced, transmitted or transcribed

without the expressed written permission of the manufacturer and authors of this

manual.

VA-20

Table Of Contents

Chapter 1. Introduction .................................................... 1-1

1.1. Features & Specifications....................................................... 1-1

1.2. Layout Diagram...................................................................... 1-3

1.3. Jumpers & Connectors Description........................................ 1-4

Chapter 2. Hardware Setup.............................................. 2-1

2.1. Precautions ............................................................................. 2-1

2.2. Installing the System Board ................................................... 2-2

2.3. Install CPU and Heatsink ....................................................... 2-3

2.4. System Memory ..................................................................... 2-5

2.4.1. Memory Configuration Table...................................2-5

2.4.2. Installing and Removing Memory Modules............. 2-6

2.5. Connectors, Headers, and Switches ....................................... 2-7

2.5.1. ATX Power Connectors (ATX1).............................. 2-7

2.5.2. FAN Connectors (CPUFAN1, CASFAN1).............. 2-8

2.5.3. CMOS Memory Clearing Header (JP1) ................... 2-9

2.5.4. BIOS Write Protection Header (JP3)...................... 2-10

2.5.5. CPU FSB Frequency Selector (JP8, JP9) ............... 2-11

2.5.6. Front Panel Switches & Indicators Connection

Headers (PANEL1)................................................. 2-12

2.5.7. Additional USB Port Connection Header (USB3,

USB4) ..................................................................... 2-13

2.5.8. Front Panel Audio Connection Header (AUDIO1) 2-14

2.5.9. Accelerated Graphics Port Slot (AGP1)................. 2-15

2.5.10. Internal Audio Source Connectors (CDIN1, AUXIN1)

................................................................................ 2-15

2.5.11. Floppy Disk Drive Connector (FDD1)................... 2-16

2.5.12. IDE Disk Drive Connectors (IDE1, IDE2)............. 2-17

2.5.13. Additional COM Port Connection Header (COM2)2-18

2.5.14. Serial ATA connectors (SATA1, SATA2)............. 2-19

2.5.15. External I/O Panel................................................... 2-20

User’s Manual

Chapter 3. BIOS Setup...................................................... 3-1

3.1. About the Setup Utility........................................................... 3-1

3.1.1. The Standard Configuration ..................................... 3-1

3.1.2. Entering the Setup Utility ......................................... 3-2

3.1.3. Updating the BIOS ................................................... 3-3

3.2. Using BIOS ............................................................................ 3-4

3.2.1. Standard CMOS Features ......................................... 3-4

3.2.2. Advanced BIOS Features ......................................... 3-7

3.2.3. Advanced Chipset Features ...................................... 3-9

3.2.4. Integrated Peripherals ............................................. 3-14

3.2.5. Power Management Setup ...................................... 3-19

3.2.6. PnP/PCI Configurations.......................................... 3-24

3.2.7. PC Health Status ..................................................... 3-26

3.2.8. Frequency/Voltage Control .................................... 3-27

3.2.9. Load Fail-Safe Defaults Option.............................. 3-28

3.2.10. Load Optimized Defaults Option ...........................3-28

3.2.11. Set Password........................................................... 3-28

3.2.12. Save & Exit Setup Option....................................... 3-29

3.2.13. Exit Without Saving ............................................... 3-29

Chapter 4. Driver Installation .......................................... 4-1

4.1. Setup Items ............................................................................. 4-2

Appendix A. How to Get Technical Support ..................... A-1

VA-20

Introduction 1-1

Chapter 1. Introduction

1.1. Features & Specifications

CPU

• Supports AMD Socket 462 Athlon XP/Athlon/Duron/Sempron

Processor with 400/333/266MHz FSB

Chipset

• VIA KM400A + VT8237

Memory

• Two 184-pin DIMMs

• DDR400/333/266/200 un-buffered Memory

• Support DDR400 Memory up to 2GB

Graphics

• Integrated UniChrome Pro Graphics with 2D/3D/video controller

SATA RAID

• 2-channel SATA 150 support RAID 0 & RAID 1

LAN

• Onboard 10/100Mb LAN (VIA VT6103L 10/100Mbps PHY)

Audio

• 6-Channel AC 97 CODEC onboard (Realtek ALC655)

Internal I/O Connectors

• 1x AGP 8X/4X slot

• 3x PCI slots

• 1x Floppy Port supports up to 2.88MB

• 2x Ultra DMA 33/66/100/133 Connectors

• 2x Serial ATA 150 Connectors

• 2x USB 2.0 headers (Each header support two USB 2.0 devices)

• 1x CD-IN, 1x AUX-IN

• 1x FP-Audio header

• 1x COM2 header

User’s Manual

1-2 Chapter 1

Back Panel I/O

• 1x PS/2 Keyboard, 1x PS/2 Mouse

• 1x Parallel Port, 1x Serial Port, 1x VGA Port,

• 4x USB 2.0, 1x RJ-45 LAN Connector

• 3 holes Audio connectors (Line-out, Line-in, Microphone)

Miscellaneous

• Micro ATX form factor (244mm x 220mm)

 All brand names and trademarks are the property of their respective

owners.

 This motherboard is customized for certain system configurations; and

may not fit system integration in all DIY ways. Before purchase this

product, please check ABIT web site for recommended device listings, or

contact sales/tech support people.

 Specifications and information contained herein are subject to change

without notice.

VA-20

Introduction 1-3

1.2. Layout Diagram

User’s Manual

1-4 Chapter 1

1.3. Jumpers & Connectors Description

Jumpers Description Default Setting

JP1 CMOS Memory Clearing Header Pins 1-2 Closed (Normal)

JP3 BIOS Write Protection Header Pins 1-2 Closed

(Write Protect Enabled)

JP8/JP9 CPU FSB Frequency Selector

JP8: Pins 2-3 Closed

JP9: Pins 1-2 Closed

(133MHz)

Connectors Description

AGP1 Accelerated Graphics Port Slot

ATX1 20-pin ATX12V Power Connector

AUDIO1 Front Panel Audio Connection Header

CDIN1/AUXIN1 Internal Audio Connectors

COM2 Additional COM Port Connection Header

CPUFAN1/CASFAN1 Fan Power Connectors

DIMM1/DIMM2 DDR DIMM Slots

FDD1 Floppy Disk Drive Connector

IDE1/IDE2 Hard Disk Drive Connectors

PANEL1 Front Panel Switch Connection Headers

PCI1/PCI2/PCI3 32bit/33MHz PCI Slots

SATA1/SATA2 Serial ATA connectors

USB3/USB4 Additional USB Port Connection Headers

VA-20

Hardware Setup 2-1

Chapter 2. Hardware Setup

2.1. Precautions

Please pay attention to the following precautions before setting up any hardware.

1. Always switch off the power supply and unplug the power cord from the wall

outlet before installing the board or changing any settings.

2. Ground yourself properly by wearing a static safety wrist strap before removing

the board from the antistatic bag.

3. Hold the board by its edges. Avoid touching any component on it.

4. Avoid touching module contacts and IC chips

5. Place the board on a grounded antistatic surface or on the antistatic bag that came

with the board.

User’s Manual

2-2 Chapter 2

2.2. Installing the System Board

Before installing the system board, exam your chassis to ensure this system board fits

into it.

1. Face the side of the I/O ports toward the rear part of the chassis.

2. Locate the screw holes on the system board and the chassis base.

3. Place all the studs or spacers needed on the chassis base and have them tightened.

4. Line up all the screw holes on the board with those studs or spacers on the chassis.

5. Tightens all the screw holes.

ATTENTION: To prevent shorting the PCB circuit, please REMOVE the metal studs

or spacers if they are already secured on the chassis base and are without

mounting-holes on the system board to align with.

VA-20

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