abit va-20 a5 rev 1 User Manuals

Table of Contents

• Introduction

  1
• Features & Specifications

  1
• Layout Diagram

  1
• Jumpers & Connectors Description

  1
• Hardware Setup

  2
• Precautions

  2
• Installing the System Board

  2
• Install CPU and Heatsink

  2
• System Memory

  2
• 2.4.1. Memory Configuration Table

  2
• 2.4.2. Installing and Removing Memory Modules

  2
• Connectors, Headers, and Switches

  2
• 2.5.1. ATX Power Connectors (ATX1)

  2
• 2.5.2. FAN Connectors (CPUFAN1, CASFAN1)

  2
• 2.5.3. CMOS Memory Clearing Header (JP1)

  2
• 2.5.4. BIOS Write Protection Header (JP3)

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

  2
• Headers (PANEL1)

  2
• USB4)

  2
• 2.5.9. Accelerated Graphics Port Slot (AGP1)

  2
• 2.5.11. Floppy Disk Drive Connector (FDD1)

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

  2
• 2.5.14. Serial ATA connectors (SATA1, SATA2)

  2
• 2.5.15. External I/O Panel

  2
• BIOS Setup

  3
• About the Setup Utility

  3
• 3.1.1. The Standard Configuration

  3
• 3.1.2. Entering the Setup Utility

  3
• 3.1.3. Updating the BIOS

  3
• Using BIOS

  3
• 3.2.1. Standard CMOS Features

  3
• 3.2.2. Advanced BIOS Features

  3
• 3.2.3. Advanced Chipset Features

  3
• 3.2.4. Integrated Peripherals

  3
• 3.2.5. Power Management Setup

  3
• 3.2.6. PnP/PCI Configurations

  3
• 3.2.7. PC Health Status

  3
• 3.2.8. Frequency/Voltage Control

  3
• 3.2.9. Load Fail-Safe Defaults Option

  3
• 3.2.10. Load Optimized Defaults Option

  3
• 3.2.11. Set Password

  3
• 3.2.12. Save & Exit Setup Option

  3
• 3.2.13. Exit Without Saving

  3
• Driver Installation

  4
• Setup Items

  4