Document Outline

• Contents
  • Notices
  • Safety information
  • About this guide
  • M4A78 PRO specifications summary
• Chapter 1 Product introduction
  • 1.1 Welcome!
  • 1.2 Package contents
  • 1.3 Special features
    • 1.3.1 Product highlights
    • 1.3.2 Innovative ASUS features
  • 1.4 Before you proceed
  • 1.5 Motherboard overview
    • 1.5.1 Placement direction
    • 1.5.2 Screw holes
    • 1.5.3 Motherboard layout
    • 1.5.4 Layout contents
  • 1.6 Central Processing Unit (CPU)
    • 1.6.1 Installing the CPU
    • 1.6.2 Installing the heatsink and fan
  • 1.7 System memory
    • 1.7.1 Overview
    • 1.7.2 Memory configurations
    • 1.7.3 Installing a DIMM
    • 1.7.4 Removing a DIMM
  • 1.8 Expansion slots
    • 1.8.1 Installing an expansion card
    • 1.8.2 Configuring an expansion card
    • 1.8.3 PCI slots
    • 1.8.4 PCI Express x1 slots
    • 1.8.5 PCI Express x16 slot
  • 1.9 Jumpers
  • 1.10 Connectors
    • 1.10.1 Rear panel connectors
    • 1.10.2 Internal connectors
  • 1.11 Software support
    • 1.11.1 Installing an operating system
    • 1.11.2 Support DVD information
• Chapter 2 BIOS information
  • 2.1 Managing and updating your BIOS
    • 2.1.1 Creating a bootable floppy disk
    • 2.1.2 ASUS Update utility
    • 2.1.3 ASUS EZ Flash 2 utility
    • 2.1.4 AFUDOS utility
    • 2.1.5 ASUS CrashFree BIOS 3 utility
  • 2.2 BIOS setup program
    • 2.2.1 BIOS menu screen
    • 2.2.2 Menu bar
    • 2.2.3 Navigation keys
    • 2.2.4 Menu items
    • 2.2.5 Submenu items
    • 2.2.6 Configuration fields
    • 2.2.7 General help
    • 2.2.8 Pop-up window
    • 2.2.9 Scroll bar
  • 2.3 Main menu
    • 2.3.1 System Time [xx:xx:xx]
    • 2.3.2 System Date [Day xx/xx/xxxx]
    • 2.3.3 Legacy Diskette A [1.44M, 3.5 in.]
    • 2.3.4 Primary IDE Master/Slave
    • 2.3.5 SATA 1–6
    • 2.3.6 Storage Configuration
    • 2.3.7 System Information
  • 2.4 Ai Tweaker menu
    • 2.4.1 AI Overclocking [Auto]
    • 2.4.2 DRAM Frequency Control [Auto]
    • 2.4.3 HT Link Speed [Auto]
    • 2.4.4 Processor Voltage [Auto]
    • 2.4.5 CPU/NB Voltage [Auto]
    • 2.4.6 CPU VDDA Voltage [Auto]
    • 2.4.7 DRAM Voltage [Auto]
    • 2.4.8 HT Voltage [Auto]
    • 2.4.9 NB Voltage [Auto]
    • 2.4.10 NB 1.8V Voltage [Auto]
    • 2.4.11 SB Voltage [Auto]
    • 2.4.12 CPU Spread Spectrum [Enabled]
    • 2.4.13 PCIE Spread Spectrum [Enabled]
    • 2.4.14 SB Clock Spread Spectrum [Disabled]
  • 2.5 Advanced menu
    • 2.5.1 CPU Configuration
    • 2.5.2 Chipset
    • 2.5.3 Onboard Devices Configuration
    • 2.5.4 USB Configuration
  • 2.6 Power menu
    • 2.6.1 Suspend Mode [Auto]
    • 2.6.2 Repost Video on S3 Resume [No]
    • 2.6.3 ACPI 2.0 Support [Disabled]
    • 2.6.4 ACPI APIC Support [Enabled]
    • 2.6.5 APM Configuration
    • 2.6.6 Hardware Monitor
  • 2.7 Boot menu
    • 2.7.1 Boot Device Priority
    • 2.7.2 Boot Settings Configuration
    • 2.7.3 Security
  • 2.8 Tools menu
    • 2.8.1 ASUS EZ Flash 2
    • 2.8.2 Express Gate [Enabled]
    • 2.8.3 ASUS O.C. Profile
    • 2.8.4 AI NET 2
  • 2.9 Exit menu