| CPU, Chipset and Graphics Features |
   Supports AMD Socket AM2+ Phenom FX / Phenom X4 / Phenom X2 / Athlon X2 / Sempron
This motherboard supports AMD AMD Socket AM2+ multi-core processors with unique L3 cache and delivers better overclocking capabilities with less power consumption. It features dual-channel DDR2 1066 memory support and accelerates data transfer rate up to 5200MT/s via HyperTransport 3.0 based system bus.
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 Supports AMD Socket AM2 Athlon 64 X2 / Athlon 64 FX / Athlon 64/ Sempron
This motherboard supports AMD Socket AM2 single-core Athlon 64 / Sempron and dual-core Athlon 64 X2 / Athlon 64 FX processors with 2MB / 1MB / 512KB L2 cache based on 64-bit architecture. It features 2000 / 1600 MT/s HyperTransport-based system bus, dual-channel un-buffered DDR2 800 memory support, and AMD Cool n Quiet Technology.
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 AMD 790FX Chipset
AMD 790FX Chipset is designed to support up to 5200MT/s HyperTransport 3.0 (HT 3.0) interface speed and quad PCI Express 2.0 x16 graphics. It is optimized with AMD latest AM2+ and multi-core CPUs to provide excellent system performance and overclocking capabilities.
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  HyperTransport 3.0 Support
Latest System Bus Technology
Provides 2.6 times more bandwidth than HT1.0 that radically improves system efficiency for a smoother, faster computing environment.
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Native DDR2 1066 Support
 The First Native DDR2-1066 AMD Platform
This motherboard is the first AMD platform with native DDR2 1066 support. It provides faster data transfer rate and more bandwidth to increase memory data transfer rate and computing efficiency, enhancing system performance in 3D graphics and other memory demanding applications.
*DDR2 1066 is supported by some of the AM2+ CPUs only. Refer to www.asus.com for the supported CPU models.
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 ATI CrossFireX Technology
ATIs CrossFireX boosts image quality along with rendering speed, eliminating the need to scale down screen resolution to get high quality images. CrossFireX allows higher anti-aliasing, anisotropic filtering, shading, and texture settings. Adjust your display configurations, experiment with the advanced 3D settings, and check the effects with a real-time 3D-rendered previews within ATI Catalyst Control Center.
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 Multi-VGA support
Quad CrossFire Ready for Excellent Graphics
This motherboard is ready to support the advanced graphics standard, Quad CrossFire, which provides higher frame rates for superb graphics performance. It also provides full x16 dual lanes or triple VGA support.
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 PCIe 2.0 support
Double Speed; Double Bandwidth
This motherboard supports the latest PCIe 2.0 devices for double speed and bandwidth which enhances system performance.
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| ASUS Quiet Thermal Solution |
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 8+2 Phase Power Design
Longer Life & Higher Efficiency!
ASUS 8+2 Phase Power Design, with independent power to vital components, ultimately enhances memory performance and ensures quick response and stability of CPU under heavy loading or overclocking modes.
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 Stack Cool 2
Up to 20C(68F) Cooler
ASUS Stack Cool 2 is a fan-less and zero-noise cooling solution that lowers the temperature of critical heat generating components. The motherboard uses a special design on the printed circuit board (PCB) to dissipate heat these critical components generate.
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 AI Gear 2
Power Savings for Environment-Friendly Computing
AI Gear 2 allows you to choose from profiles to adjust CPU frequency and vCore voltage, minimizing system noise and saving CPU power consumption at most. You can real-time change the mode under operating system to suit your needs.
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 AI Nap
Minimize noise and power consumption when temporarily away!
With AI Nap, the system can continue running at minimum power and noise when you are temporarily away. To wake the system and return to the OS environment, simply click the mouse or press a key.
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| ASUS Crystal Sound |
 AI Audio 2
Unique Home Theater Technology on Board!
It allows users to experience crisp, clear sounds by restoring and compensating for clarity and quality of compressed audio in all movies, music and games. It also provides users with stereo to multi-channel sound field expansion for realistic front and rear environments and virtualized surround sound for added vocal clarity when used in stereo speakers or headphones.
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 Noise Filter
Eliminate background noise while recording
This feature detects repetitive and stationary noises (non-voice signals) like computer fans, air conditioners, and other background noises then eliminates it in the incoming audio stream while recording.
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| ASUS EZ DIY |
 ASUS Q-Shield
Easy and Comfortable Installations
The specially designed ASUS Q-Shield does without the usual fingersmaking it convenient and easy to install. With better electric conductivity, it ideally protects your motherboard against static electricity and shields it against Electronic Magnetic Interference (EMI).
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 ASUS Q-Connector
Make connection quick and accurate!
ASUS Q-Connector allows you to easily connect or disconnect the chassis front panel cables to the motherboard. This unique module eliminates the trouble of connecting the system panel cables one at a time and avoiding wrong cable connections
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 ASUS O.C. Profile
Conveniently store or load multiple BIOS settings
The motherboard features the ASUS O.C. Profile that allows users to conveniently store or load multiple BIOS settings. The BIOS settings can be stored in the CMOS or a separate file, giving users freedom to share and distribute their favorite settings.
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 ASUS CrashFree BIOS3
The ASUS CrashFree BIOS 3 allows users to restore corrupted BIOS data from a USB flash disk containing the BIOS file. This utility saves users the cost and hassle of buying a replacement BIOS chip.
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 ASUS EZ Flash2
With ASUS EZ Flash, you can update BIOS before entering operating system. No more DOS-based flash utility and bootable diskette required.
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| ASUS Overclocking Tools |
 Precision Tweaker 2
Super-fine Adjustments for a Brand New O.C Record!
Allows the user to adjust the NB Voltage, SB Voltage, and the DRAM Voltage in 0.02v steps to fine-tune voltages to achieve the most precise setting for the ultimate customized overclocking configuration.
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 AI NOS
Boost performance when you need it the most!
The patented ASUS Non-delay Overclocking System (AI NOS) technology auto-detects the CPU loading and dynamically overclocks the CPU speed when needed. Unlike other dynamic overclocking techniques, AI NOS reacts much faster to satisfy your need for speed.
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| Other ASUS Features |
 100% All High-quality Conductive Polymer Capacitors
This motherboard uses all high-quality conductive polymer capacitors onboard for durability, improved lifespan, and enhanced thermal capacity.
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 MyLogo2
Personalize your system with customizable boot logo You can convert your favorite photo into a 256-color boot logo for a more colorful and vivid image on your screen.
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| Interface Features |
SATA on the Go
This motherboard supports the next-generation hard drives based on the Serial ATA (SATA) 3Gb/s storage specification, delivering enhanced scalability and doubling the bus bandwidth for high-speed data retrieval and saves. The external SATA port located at the back I/O provides smart setup and hot-plug functions. Easily backup photos, videos and other entertainment contents on external devices.
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 IEEE 1394a interface
IEEE 1394a interface provides high speed digital interface for audio/video appliances such as digital television, digital video camcorders, storage peripherals & other PC portable devices.
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 High Definition Audio
The onboard 6-channel High Definition audio CODEC enables high-quality Realtek audio CODEC, which automatically detects and identifies what types of peripherals are plugged into the audio I/O jacks and notifies users of inappropriate connection, meaning there will be no more confusion of Line-in, Line-out and Mic jacks.
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S/PDIF-out on Back I/O Port
This motherboard provides convenient connectivity to external home theater audio systems via coaxial and optical S/PDIF-out (SONY-PHILIPS Digital Interface) jacks. It allows to transfer digital audio without converting to analog format and keeps the best
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| RoHS |
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GreenASUS 
The motherboard and its packaging comply with the European Unions Restriction on the use of Hazardous Substances (RoHS). This is in line with the ASUS vision of creating environment-friendly and recyclable products and packaging to safeguard consumers health while minimizing the impact on the environment.
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