Contents

Maximus III Extreme specifications summary
About this guide
Safety information
Notices
Chapter 1: Product introduction
- 1.1 Welcome!
- 1.2 Package contents
- 1.3 Special features
  - 1.3.1 Product highlights
  - 1.3.2 ROG Intelligent Performance & Overclocking features
  - 1.3.3 ROG unique features
  - 1.3.4 ASUS special features
Chapter 2: Hardware information
- 2.1 Before you proceed
- 2.2 Motherboard overview
  - 2.2.1 Motherboard layout
  - 2.2.2 Layout contents
  - 2.2.3 Placement direction
  - 2.2.4 Screw holes
- 2.3 Central Processing Unit (CPU)
  - 2.3.1 Installing the CPU
  - 2.3.2 Installing the CPU heatsink and fan
  - 2.3.3 Uninstalling the CPU heatsink and fan
- 2.4 System memory
  - 2.4.1 Overview
  - 2.4.2 Memory configurations
  - 2.4.3 Installing a DIMM
  - 2.4.4 Removing a DIMM
- 2.5 Expansion slots
  - 2.5.1 Installing an expansion card
  - 2.5.2 Configuring an expansion card
  - 2.5.3 Interrupt assignments
  - 2.5.4 PCI slot
  - 2.5.5 PCI Express x16 slots
- 2.6 Jumper
- 2.7 RC Bluetooth card
- 2.8 I/O shield Installation
- 2.9 Connectors
  - 2.9.1 Rear panel connectors
  - 2.9.2 ROG Connect switch and RC Bluetooth switch
  - 2.9.3 Audio I/O connections
  - 2.9.4 Internal connectors
  - 2.9.5 Onboard switches
  - 2.9.6 ProbeIt
- 2.10 Starting up for the first time
- 2.11 Turning off the computer
  - 2.11.1 Using the OS shut down function
  - 2.11.2 Using the dual function power switch
Chapter 3: BIOS setup
- 3.1 Managing and updating your BIOS
  - 3.1.1 ASUS Update utility
  - 3.1.2 ASUS EZ Flash 2 utility
  - 3.1.3 ASUS CrashFree BIOS 3 utility
- 3.2 BIOS setup program
  - 3.2.1 BIOS menu screen
  - 3.2.2 Menu bar
  - 3.2.3 Navigation keys
  - 3.2.4 Menu items
  - 3.2.5 Submenu items
  - 3.2.6 Configuration fields
  - 3.2.7 Pop-up window
  - 3.2.8 Scroll bar
  - 3.2.9 General help
- 3.3 Extreme Tweaker menu
  - 3.3.1 CPU Level Up [Auto]
  - 3.3.2 Memory Level Up [Auto]
  - 3.3.3 Ai Overclock Tuner [Auto]
  - 3.3.4 eXtreme Memory Profile [Disabled]
  - 3.3.5 OC From CPU/Memory Level Up [Auto]
  - 3.3.6 CPU Ratio Setting [Auto]
  - 3.3.7 Intel(R) SpeedStep(TM) Tech [Enabled]
  - 3.3.8 BCLK Frequency [XXX]
  - 3.3.9 DRAM Frequency [Auto]
  - 3.3.10 QPI Frequency [Auto]
  - 3.3.11 Start auto tuning
  - 3.3.12 OC Tuner [Good Performance]
  - 3.3.13 DRAM Timing Control
  - 3.3.14 CPU Clock Amplitude [Auto]
  - 3.3.15 PCH Clock Amplitude [Auto]
  - 3.3.16 CPU Clock Skew [Auto]
  - 3.3.17 PCH Clock Skew [Auto]
  - 3.3.18 Extreme OV [Disabled]
  - 3.3.19 CPU Vltage OCP [Enabled]
  - 3.3.20 PWM VGD [Auto]
  - 3.3.22 CPU Load-Line Calibration [Auto]
  - 3.3.23 CPU Voltage Mode [VID]
  - 3.3.24 CPU Voltage [Auto]
  - 3.3.25 CPU PLL Voltage [Auto]
  - 3.3.26 IMC Voltage [Auto]
  - 3.3.27 PCH Voltage [Auto]
  - 3.3.28 DRAM Voltage [Auto]
  - 3.3.29 DRAM DATA REF Voltage on CHA/B [Auto]
  - 3.3.30 DRAM CTRL REF Voltage on CHA/B [Auto]
  - 3.3.31 CPU Spread Spectrum [Auto]
  - 3.3.32 PCIE Spread Spectrum [Auto]
  - 3.3.33 ASUS O.C. Profile
- 3.4 Main menu
  - 3.4.1 System Time [xx:xx:xx]
  - 3.4.2 System Date [Day xx/xx/xxxx]
  - 3.4.3 Language [English]
  - 3.4.4 SATA 16
  - 3.4.5 Storage Configuration
  - 3.4.6 AHCI Configuration
  - 3.4.7 System Information
- 3.5 Advanced menu
  - 3.5.1 CPU Configuration
  - 3.5.2 Chipset
  - 3.5.3 Onboard Device Configuration
  - 3.5.4 USB Configuration
  - 3.5.5 LED Control
  - 3.5.6 iROG Configuration
  - 3.5.7 ROG Connect
- 3.6 Power menu
  - 3.6.1 Suspend Mode [Auto]
  - 3.6.2 Repost Video on S3 Resume [No]
  - 3.6.3 ACPI 2.0 Support [Disabled]
  - 3.6.4 ACPI APIC Support [Enabled]
  - 3.6.5 EuP Ready [Disabled]
  - 3.6.6 APM Configuration
  - 3.6.7 Hardware Monitor
- 3.7 Boot menu
  - 3.7.1 Boot Device Priority
  - 3.7.2 Boot Settings Configuration
  - 3.7.3 Security
- 3.8 Tools menu
  - 3.8.1 ASUS O.C. Profile
  - 3.6.2 GO_Button File
  - 3.6.3 AI NET 2
  - 3.6.4 ASUS EZ Flash 2
- 3.9 Exit menu
Chapter 4: Software support
- 4.1 Installing an operating system
- 4.2 Support DVD information
  - 4.2.1 Running the support DVD
  - 4.2.2 Drivers menu
  - 4.2.3 Utilities menu
  - 4.2.4 Make disk menu
  - 4.2.5 Manual menu
  - 4.2.6 Video menu
  - 4.2.7 ASUS Contact information
  - 4.2.8 Other information
  - 4.2.2 Obtaining the software manuals
- 4.3 Software information
  - 4.3.1 VIA High Definition Audio utility
  - 4.3.2 ASUS PC Probe II
  - 4.3.3 ASUS AI Suite
  - 4.3.4 ASUS Fan Xpert
  - 4.3.5 CPU Level Up
  - 4.3.6 TurboV EVO
  - 4.3.7 RC TweakIt
- 4.4 RAID configurations
  - 4.4.1 RAID definitions
  - 4.4.2 Installing Serial ATA hard disks
  - 4.4.3 Setting the RAID item in BIOS
  - 4.4.4 Intel Matrix Storage Manager option ROM utility
- 4.5 Creating a RAID driver disk
  - 4.5.1 Creating a RAID driver disk without entering the OS
  - 4.5.2 Creating a RAID driver disk in Windows
  - 4.5.3 Installing the RAID driver during Windows OS installation
  - 4.5.4 Using a USB floppy disk drive
Chapter 5: ATI CrossFireX technology support
- 5.1 ATI CrossFireX technology
  - 5.1.1 Requirements
  - 5.1.2 Before you begin
  - 5.1.3 Installing CrossFireX graphics cards
  - 5.1.4 Installing the device drivers
  - 5.1.5 Enabling the ATI CrossFireX technology
- 5.2 NVIDIA SLI technology
  - 5.2.1 Requirements
  - 5.2.2 Installing two SLI-ready graphics cards
  - 5.2.3 Installing the device drivers
  - 5.2.4 Enabling the NVIDIA SLI technology
Appendix: Reference information
- A.1 Debug code table
- A.2 Qualified Vendors Lists (QVL) for BIOS FlashBack
- A.3 Qualified Vendors Lists (QVL) for RC Bluetooth
- A.4 Qualified Vendors Lists (QVL) for 500W Power Supply or above

ASUS MAXIMUS III EXTREME User Manual

ASUS MAXIMUS III EXTREME Motherboard manual cover

Pages 180

Year 2010

Language(s)

of 180

ASUS MAXIMUS III EXTREME Motherboard Specification

The ASUS MAXIMUS III EXTREME Motherboard is a high-performance platform designed for gaming enthusiasts and overclocking experts. It is built on the Intel P55 chipset, supporting Intel's LGA 1156 processors, including the Core i7, i5, and i3 series. The motherboard features a robust 16+3 phase power design, ensuring stable power delivery and enhanced overclocking potential. It accommodates up to 16GB of dual-channel DDR3 memory across four DIMM slots, with support for speeds up to 2200MHz when overclocked.

For graphics, the MAXIMUS III EXTREME supports NVIDIA SLI and ATI CrossFireX configurations, thanks to its five PCI Express 2.0 x16 slots, making it ideal for multi-GPU setups. Storage options include six SATA 3Gb/s ports and a dedicated eSATA port for external storage solutions. Connectivity is comprehensive, featuring USB 3.0, Gigabit Ethernet, and Bluetooth 2.1 for versatile networking and peripheral integration.

The motherboard is equipped with a SupremeFX X-Fi integrated audio solution, delivering premium sound quality for an immersive gaming experience. Its ROG Connect feature allows users to tweak and monitor their system settings via a remote PC, offering advanced control over system performance. Additional features such as MemOK!, which ensures memory compatibility and system stability, and the use of high-quality capacitors, enhance reliability and lifespan. The ASUS MAXIMUS III EXTREME is engineered for high-end gaming and overclocking applications, integrating cutting-edge technologies to deliver exceptional performance and versatility.

ASUS MAXIMUS III EXTREME Motherboard F.A.Q.

How do I update the BIOS on the ASUS MAXIMUS III EXTREME motherboard?

To update the BIOS, download the latest BIOS version from the ASUS support website. Extract the file and save it to a USB drive. Restart your computer and enter the BIOS setup by pressing the 'Delete' key during boot. Navigate to the EZ Flash utility and select the BIOS file from your USB drive to begin the update process.

What should I do if my ASUS MAXIMUS III EXTREME motherboard won't power on?

Check the power connections to ensure that the 24-pin ATX and 8-pin CPU power connectors are securely attached. Verify that the power supply is functional. If the issue persists, try resetting the CMOS by removing the battery for a few seconds, then reinstalling it.

How can I troubleshoot a POST failure on this motherboard?

Perform a basic check by removing all components except the CPU, one stick of RAM, and the GPU. Ensure that all connections are secure. Listen for any beep codes and refer to the motherboard manual for their meanings. Consider testing with different RAM or a different GPU if available.

How do I enable XMP profiles for my RAM on the ASUS MAXIMUS III EXTREME?

Enter the BIOS setup by pressing the 'Delete' key during boot. Navigate to the 'AI Tweaker' section, locate the 'AI Overclock Tuner' option, and set it to 'XMP'. Save your changes and exit the BIOS to apply the XMP profile settings.

What is the best way to optimize cooling on this motherboard?

Ensure that your case has good airflow with intake and exhaust fans. Use quality thermal paste when installing the CPU cooler. Consider using a fan control software to adjust fan speeds based on system temperatures. Regularly clean dust from all cooling components to maintain efficiency.

Can I use the ASUS MAXIMUS III EXTREME for overclocking?

Yes, the ASUS MAXIMUS III EXTREME is designed for overclocking with features like robust power delivery and advanced BIOS settings. Use the 'AI Tweaker' section in the BIOS to adjust CPU and RAM frequencies and voltages. Monitor temperatures closely to avoid overheating.

How can I connect multiple GPUs for SLI on this motherboard?

Install the GPUs into the PCIe slots, ensuring they are properly seated. Connect the SLI bridge to the cards. Enter the BIOS to enable SLI/Crossfire support if needed. In the NVIDIA Control Panel, navigate to 'Configure SLI, Surround, PhysX' to enable SLI.

What should I do if my USB ports on the ASUS MAXIMUS III EXTREME stop working?

Check the BIOS settings to ensure that USB ports are enabled. Update the motherboard's chipset drivers from the ASUS support website. If the issue persists, check for physical damage to the ports and consider a BIOS reset to default settings.

How do I configure RAID on the ASUS MAXIMUS III EXTREME motherboard?

Enter the BIOS and navigate to the 'Advanced' section. Set the 'SATA Mode' to 'RAID'. Save and exit the BIOS. During the next boot, enter the RAID configuration utility by pressing the appropriate key (usually Ctrl+I) and follow the prompts to set up your RAID array.

What are the common beep codes for ASUS MAXIMUS III EXTREME and their meanings?

A single short beep indicates a successful POST. Continuous short beeps suggest a power issue. One long and two short beeps indicate a memory issue, while one long and three short beeps point to a GPU issue. Refer to the manual for a complete list of beep codes.