Abit AV8 User Manual

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AV8

AMD Athlon 64™ (FX) System Board

Socket 939

User’s Manual

4200-0400-01

Rev. 1.00

Table of Contents

Questions and Answers:

C
csandersAug 5, 2025
What to do if Abit Computer Hardware fails to boot after overclocking?
- J
  Jodi HolmesAug 5, 2025
  If your Abit Computer Hardware fails to boot after overclocking or using non-standard BIOS settings, try the following: First, switch off the power supply unit and then switch it back on after one minute. If there's no power switch, disconnect the power cord for one minute and reconnect. Then, press and hold the key while pressing the power-on button to boot up. Repeat if needed. Alternatively, switch off the power supply unit or disconnect the power cord, open the chassis, find the CCMOS jumper, and change it from 1-2 to 2-3 for one minute, then back to 1-2. Close the chassis and switch on the power. As another option, follow the same steps as above, but also pull out the ATX power connectors and remove the button battery while discharging.
D
Daniel GriffinAug 17, 2025
How to fix Abit AV8 system hang when updating BIOS?
- K
  Kyle MartinezAug 17, 2025
  If your Abit Computer Hardware system hangs when updating the BIOS or setting wrong CPU parameters, clear the CMOS jumper before booting up again.

Abit AV8 Specifications

General

Form Factor	ATX
Socket Type	Socket 939
Memory Type	DDR
Memory Slots	4
Maximum Memory	4 GB
IDE Ports	2
PCI-E x16	1
PCI Slots	5
USB Ports	8
LAN	10/100/1000 Mbps
SATA Ports	2
Audio	8-channel audio

Summary

Chapter 1. Introduction

1-1. Features & Specifications

Lists key features and specifications of the motherboard, including CPU, memory, chipset, and connectivity.

1-2. Layout Diagram

Provides a visual diagram of the motherboard layout, showing the location of various connectors and components.

Chapter 2. Hardware Setup

2-1. Install The Motherboard

Instructions for installing the motherboard into the computer chassis, including using studs or spacers.

2-2. Install CPU and Heatsink

Step-by-step guide for installing the CPU and its heatsink assembly onto the motherboard socket.

2-3. Install System Memory

Guide for installing DDR DIMM modules for single/dual channel configurations and memory capacity.

2-4. Connectors, Headers and Switches

Details various connectors, headers, and switches on the motherboard for system assembly.

Chapter 3. BIOS Setup

3-1. µGuru Utility

Explains the µGuru Utility for system monitoring, fan control, and voltage settings.

3-2. Standard CMOS Features

Covers basic BIOS configuration parameters like date, time, and IDE/FDD/HDD settings.

3-3. Advanced BIOS Features

Details advanced BIOS features including boot priority, security options, and system behavior.

3-4. Advanced Chipset Features

Explains advanced chipset settings for optimizing AGP, PCI, and memory performance.

3-5. Integrated Peripherals

Configuration options for onboard peripherals like IDE, SATA, audio, and LAN controllers.

3-6. Power Management Setup

Settings for ACPI suspend types, power button functions, and system power behavior.

3-7. PnP/PCI Configurations

Configuration for Plug and Play devices, IRQ assignments, and PCI slot behavior.

3-8. Load Fail-Safe Defaults

Option to load default BIOS values for system stability.

3-9. Load Optimized Defaults

Option to load factory default BIOS settings for optimal performance.

3-10. Set Password

Feature to set a password for BIOS configuration or system access.

3-11. Save & Exit Setup

Saves current BIOS settings and exits the BIOS setup menu.

3-12. Exit Without Saving

Exits the BIOS setup menu without saving any changes.

Appendix A. Install VIA 4-in-1 Driver

Appendix B. Install Audio Driver

Appendix C. Install LAN Driver

Appendix D. Install VIA USB 2.0 Driver

Appendix E. Install VIA Serial ATA RAID Driver

Appendix F. Install ABIT µGuru Driver

Appendix G. POST Code Definition

Appendix H. Troubleshooting (Need Assistance?)

Appendix I. How to Get Technical Support