Document Outline

• Safety information
• About this guide
• F2A55 specifications summary
• Package contents
• Chapter 1: Product introduction
  • 1.1 Special features
    • 1.1.1 Product highlights
    • 1.1.2 ASUS DIGI+ VRM
    • 1.1.3 ASUS Exclusive Features
  • 1.2 Before you proceed
  • 1.3 Motherboard overview
    • 1.3.1 Placement direction
    • 1.3.2 Screw holes
    • 1.3.3 Motherboard layout
    • 1.3.4 Layout contents
  • 1.4 Accelerated Processing Unit (APU)
    • 1.4.1 APU installation
    • 1.4.2 APU heatsink and fan assembly installation
  • 1.5 System memory
    • 1.5.1 Overview
    • 1.5.2 Memory configurations
    • 1.5.3 Installing a DIMM
  • 1.6 Expansion slots
    • 1.6.1 Installing an expansion card
    • 1.6.2 Configuring an expansion card
    • 1.6.3 PCI slots
    • 1.6.4 PCI Express x1 slots
    • 1.6.5 PCI Express x16 slots
  • 1.7 Jumpers
  • 1.8 Connectors
    • 1.8.1 Rear panel ports
    • 1.8.2 Internal connectors
  • 1.9 Onboard switch
  • 1.10 Onboard LEDs
  • 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 ASUS Update utility
    • 2.1.2 ASUS EZ Flash 2
    • 2.1.3 ASUS CrashFree BIOS 3 utility
    • 2.1.4 ASUS BIOS Updater
  • 2.2 BIOS setup program
  • 2.3 Main menu
    • 2.3.1 System Language [English]
    • 2.3.2 System Date [Day xx/xx/xxxx]
    • 2.3.3 System Time [xx:xx:xx]
    • 2.3.4 Security
  • 2.4 Ai Tweaker menu
    • 2.4.1 Ai Overclock Tuner [Auto]
    • 2.4.2 Memory Frequency [Auto]
    • 2.4.3 APU Multiplier [Auto]
    • 2.4.4 NB Frequency [Auto]
    • 2.4.5 EPU Power Saving Mode [Disabled]
    • 2.4.6 OC Tuner
    • 2.4.7 DRAM Timing Control
    • 2.4.8 CPU Voltage [Offset Mode]
    • 2.4.9 DRAM Voltage [Auto]
    • 2.4.10 SB 1.1V Voltage [Auto]
    • 2.4.11 1.1VSB Voltage [Auto]
    • 2.4.12 APU1.2V Voltage [Auto]
    • 2.4.13 VDDA Voltage [Auto]
    • 2.4.14 DIGI+ VRM
  • 2.5 Advanced menu
    • 2.5.1 CPU Configuration
    • 2.5.2 SATA Configuration
    • 2.5.3 USB Configuration
    • 2.5.4 NB Configuration
    • 2.5.5 Onboard Devices Configuration
    • 2.5.6 APM
    • 2.5.7 Network Stack
  • 2.6 Monitor menu
    • 2.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]
    • 2.6.2 CPU_FAN / CHA_FAN Speed [xxxx RPM] or [Ignore] / [N/A]
    • 2.6.3 CPU_FAN Q-Fan Control [Enabled]
    • 2.6.4 CHA_FAN1/2 Q-Fan Control [Disabled]
    • 2.6.5 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage
    • 2.6.6 Anti Surge Support [Enabled]
  • 2.7 Boot menu
    • 2.7.1 Bootup NumLock State [On]
    • 2.7.2 Full Screen Logo [Enabled]
    • 2.7.3 Fast Boot [Enabled]
    • 2.7.4 Post Delay Time [3 sec]
    • 2.7.5 Wait for ‘F1’ If Error [Enabled]
    • 2.7.6 Option ROM Messages [Force BIOS]
    • 2.7.7 Next boot after AC Power Loss [Normal Boot]
    • 2.7.8 CSM Parameters
    • 2.7.9 Security Boot parameters
    • 2.7.10 Setup Mode [EZ Mode]
    • 2.7.11 Boot Option Priorities
    • 2.7.12 Boot Override
  • 2.8 Tools menu
    • 2.8.1 ASUS EZ Flash 2 Utility
    • 2.8.2 ASUS SPD Information
    • 2.8.3 ASUS O.C. Profile
  • 2.9 Exit menu
• Appendices
  • Notices
  • ASUS contact information