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Extreme Performance! Minimum Noise! Maximum Power Saving! |
This motherboard supports the most powerful and energy efficient Intel® Core™2 processors. It features the Intel® P965 chipset and supports DDR2 800MHz dual-channel memory architecture. Quiet thermal technologies – 8-Phase Power Design, Stack Cool 2, Heat Pipe Design, Q-Fan 2 and Optional Fan – together provide a comfortable environment for the processor, memory, graphics card and other components to interoperate effectively. With exclusive innovative tools – AI NOS™, AI Gear and AI Nap – users can adjust operation speed according to their specific needs. This motherboard is a cool and stable platform that delivers extreme performance, minimum noise and maximum power saving!
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 AI Lifestylestyle Series 
AI Lifestylestyle Series motherboards bring lifestyle and personal computing together. They provide you better system performance to enjoy graphic-intensive games and applications. The cutting-edge audio feature dramatically enhances the quality of voice signal. Thoughtful design allows you to set up your system easily. To create a peaceful environment, several new and improved innovations are included to reduce noise and temperature. Don´t change your way of life for a computer. Instead let the ASUS Lifestyle Series improve the quality of your life.
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| CPU, Chipset and Graphics features | |
 LGA775 Intel® 45nm Processor Ready
This motherboard supports the latest Intel 45nm CPU which introduces new micro-architecture features for greater performance at a given frequency, up to 50% larger L2 caches, and expanded power management capabilities for new levels of energy efficiency.
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  LGA775 Intel® Core™2 Processor Ready
This motherboard supports the latest Intel® Core™2 processors in LGA775 package. It also can support Intel® next generation 45nm Multi-Core CPU. With new Intel® Core™ microarchitecture technology and 1333 / 1066 / 800 MHz FSB, Intel® Core™2 processor is one of the most powerful and energy efficient CPU in the world.
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Intel® P965 Chipset
 The Intel® P965 Express Chipset is the latest chipset designed to support maximum 8GB dual-channel DDR2 800/667/533 architecture, 1066/800 FSB (front-side-bus), PCI Express x16 graphics and multi-core CPU. It especially includes Intel® Fast Memory Access Technology that significantly optimizes the use of available memory bandwidth and reduces the latency of the memory accesses.
ATI CrossFire Technology 
ATI´s CrossFire boosts image quality along with rendering speed, eliminating the need to crank down screen resolutions to get the high image quality you want. CrossFire ignites with the higher antialiasing, anisotropic filtering, shading, and texture settings you desire. Adjust your display configurations, experiment with your advanced 3D settings, and check the effect with a real-time 3D-rendered preview within ATI´s Catalyst™ Control Center to rule your CrossFire system.
ASUS C.G.I. (Cross Graphics Impeller)
CrossFire performance optimization offered by C.G.I occurs in Direct Media Interface (DMI) between the P965 Northbridge, which carries one x16 PCI Express slot (x16 PCI Express Lanes), and ICH8R Southbridge, where another x16 PCI Express slot (x4 PCI Express Lanes) resides. C.G.I streamlines data transfer between the Northbridge and Southbridge, delivering enhanced performance during Crossfire dual-GPU mode.
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Dual-Channel DDR2 800
DDR2 is the next generation memory technology to replace the current DDR. With the highest speed up to 800MHz, DDR2 memory provides great performance for 3D graphics and other memory demanding applications.
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Kingston® HyperX® PC2-8500 Ready (default overclock at 1066 MHz)
The Kingston HyperX PC2-8500 is high-frequency memory that delivers outstanding performance. Built with only the best components, the P5B Deluxe and PC2-8500 HyperX memory are optimized for each other to reach maximum performance. Both are validated for stability and compatibility.
*The Kingston DIMM modules are not included in ASUS motherboard package.
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| ASUS Quiet Thermal Solution |
 AI Gear
Optimize performance and quietness as you wish!
To balance both system performance and quietness, AI Gear allows users to choose from profiles to adjust CPU frequency and vCore voltage, minimizing system noise and power consumption. Users can real-time change the mode under operating system to suit their needs.
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 AI Nap
Minimize noise and power consumption when temporarily away!
With AI Nap, users can instantly snooze your PC without terminating the tasks. System will continue operating at minimum power and noise when user is temporarily away. It keeps downloading files or running applications in quietest state while you´re sleeping. Simply click keyboard or mouse, you can swiftly wake up the system in few seconds.
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8 Phase Power Design
Cooler and quieter system
Longer components lifespan
More stable and reliable under heavy-loading and overclocking
The ASUS 8-Phase Power Design provides highly efficient operation to generate less heat (at least 15°C (59°F)) than other conventional power solutions. It reduces input ripple current and output ripple voltage, which keeps CPU and power module from suffering the risk of high power stress. It has the advantages of quick transient response and stability, especially beneficial when CPU requires more current immediately under heavy loading or overclocking mode.
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  Fanless Design - Stack Cool 2
Effective and zero-noise heat dissipation
Stack Cool 2 is a fan-less and zero-noise cooling solution offered exclusively by ASUS. It effectively transfers heat generated by the critical components to the other side of the specially designed PCB (printed circuit board) for effective heat dissipation.
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 Fanless Design - Heat Pipe
Zero failure
Support side-flow fan or passive cooler
 The Heat Pipe design effectively directs the heat generated by the chipsets to the heatsink near the back IO ports, where it can be carried away by existing airflow from CPU fan or bundled optional fan. The purpose of the innovative heat pipe design on this motherboard is that the groundbreaking fanless design does not have lifetime problems as a chipset fan does. Furthermore, it provides options for users to install side-flow fan or passive cooler. The Heat Pipe design is the most reliable fanless thermal solution to date.
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 Optional Fan (for Water-Cooling or Passive-Cooling only)
Maximize Water-Cooling or Passive-Cooling performance!
The optional fan is specifically designed to provide sufficient airflow over the CPU power modules and chipset area when water-cooling or passive-cooling is utilized, ensuring effective heat dissipation for the entire system.
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 Q-Fan 2
Adjusts both CPU fan and chassis fan speeds according to system loading
ASUS Q-Fan2 technology intelligently adjusts both CPU fan and chassis fan speeds according to system loading to ensure quiet, cool and efficient operation.
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 Q-Connector
Make connection quick and accurate!
The ASUS Q-Connector allows you to connect or disconnect chassis front panel cables in one easy step with one complete module. This unique adapter eliminates the trouble of plugging in one cable at a time, making connection quick and accurate.
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 O.C. Profile
Conveniently store or load multiple BIOS settings
Freely share and distribute favorite overclocking 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 overclocking settings.
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 CrashFree BIOS 3
Simply restore corrupted BIOS data from USB flash disk
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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 EZ Flash 2
Simply update BIOS from a USB flash disk before entering the OS
EZ Flash 2 is a user-friendly BIOS update utility. Simply launch this tool and update BIOS from a USB flash disk before entering the OS. You can update your BIOS only in a few clicks without preparing an additional floppy diskette or using an OS-based flash utility.
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Power LED 
Remind you to unplug the power cable before changing any device
The motherboard comes with a newly designed ASUS Power LED that lights up in two colors to show the system power status. Blue indicates that the system is in sleep/soft-off mode and red indicates that the system is ON. The ASUS Power LED helps remind you to shut down the system and unplug the power cable before removing or plugging in any motherboard component.
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AI NOS™ 
Boost performance when you need it the most!
Applications such as 3D games and video editing demand a huge chunk of system resource. Inject "nitrous oxide" into your CPU! The patented AI NOS™ (Non-delay Overclocking System) technology intelligently detects system load and automatically boosts performance for the most demanding tasks. Unlike other dynamic overclocking techniques, AI NOS™ reacts much faster to satisfy your unending need for speeds .
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Precision Tweaker
Achieve system maximum performance!
It offers ways to raise system performance inch-by-inch and step-by-step to achieve maximum performance! This is about getting the most out of your machine and taking pride in your customized computer.
vDIMM - Take control of how much power is going into the memory modules. This motherboard gives you 13-step voltage control to the DIMM.
vCore - Find out "exactly" how much power your CPU needs. Fine-tune it with 0.0125 volts at a time!
SFS (Stepless Frequency Selection) allows
- FSB tuning from 100MHz up to 650MHz at 1MHz increment
- Memory tuning from 533MHz up to 1066MHz at 1MHz increment
- PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment
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PEG Link 
Boost graphics card performance for superior video quality
This latest technology, PEG (PCI Express Graphics) Link Mode, is a unique feature that enables users to boost graphics card performance for superior video quality. PEG Link allows users to raise GPU and VGA memory throughput via the motherboard BIOS the same way system bus and memory bus are tweaked. PEG Link Mode enables powerful video performance on DX8 and DX9 applications. ASUS engineers carefully fine-tuned the parameters for every single PCI-Express card to provide system stability during high-speed graphics operation.
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C.P.R. (CPU Parameter Recall) 
When the system hangs due to overclocking failure, there is no need to open the case to clear CMOS data. Just simply restart the system, the BIOS would show the previous setting and then users can amend the CPU setting again.
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 Noise Filter
Eliminate background noise while recording
This feature detects repetitive and stationary noises like computer fans, air conditioners, and other background noises then eliminates it in the incoming audio stream while recording.
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Array Mic 
Eliminate interferences in the reception cone
Enhance speech-centric applications
The bundled Superbeam Array Microphone receives only the sound coming from the reception cone and ignores the sound coming from other directions. This mechanism eliminates a large number of interferences including neighboring speakers and reverberations. It also uses advanced de-reverberation techniques to reduce echo and minimize its effect on the speech engine. This feature can enhance speech-centric application like Skype, online game, video conference and recording. 
 DTS Connect™
This feature is consists of two elements: DTS interactive and DTS NEO:PC. DTS interactive re-encodes your stereo or multi-channel sound into a DTS audio signal and send it out from your PC to any DTS enabled system. While DTS NEO:PC turns your stereo audio such as MP3, WMA, CD, and other sound format into a convincing multi-channel audio experience. |
| Other Innovative Features |
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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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Multi-language BIOS
Help you configure system easier and faster
The multi-language BIOS allows you to select the language of your choice from the available options. The localized BIOS setup menu helps you configure your system easier and faster.
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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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Dual RAID
The Intel P965 chipsets incorporate six Serial ATA connectors with high performance RAID functions in RAID 0, 1, 5 and 10. The JMicron controller provides another two Serial ATA connectors for RAID 0, 1, and JBOD functions. This motherboard is the ideal solution to enhance hard disk performance and data back up protection without the cost of add-on cards.
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Dual Gigabit LAN
The integrated dual Gigabit LAN design allows a PC to serve as a network gateway for managing traffic between two separate networks. This capability ensures rapid transfer of data from WAN to LAN without any added arbitration or latency.
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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
Enjoy high-end sound system on your PC! The onboard 8-channel HD audio (High Definition Audio, previously codenamed Azalia) CODEC enables high-quality 192KHz/24-bit audio output, jack-sensing feature, retasking functions and multi-streaming technology that simultaneously sends different audio streams to different destinations. You can now talk to your partners on the headphone while playing a multi-channel network games. All of these are done on one computer.
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S/PDIF-out on Back I/O Port
This motherboard provides convenient connectivity to external home theater audio systems via an coaxial S/PDIF-out (SONY-PHILIPS Digital Interface) jack. It allows to transfer digital audio without converting to analog format and keeps the best signal quality.
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 GreenASUS
The motherboard and its packaging comply with the European Union´s 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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