P5K/EPU

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    Powerful Computing with Saving the Earth in Mind!

    - Intel® P35/ICH9 chipset
    - Intel® Core™2 Quad / Core™2 Extreme / Core™2 Duo / Pentium® Extreme / Pentium® D / Pentium® 4 - Processors
    - FSB 1600/1333/1066/800
    - Dual-channel DDR2 1200(O.C.)/1066/800/667 MHz
    - ASUS EPU (Energy Processing Unit)
    - ASUS 3rd Generation 8-phase Power Design
    - Precision Tweaker 2
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      Powerful Computing with Saving the Earth in Mind!

      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 1600 / 1333 / 1066 / 800 MHz FSB, Intel® Core™2 processor is one of the most powerful and energy efficient CPU in the world.


      Intel® P35 Chipset

      The Intel® P35 Express Chipset is the latest chipset designed to support the next generation 45nm CPU; and up to 8GB of dual-channel DDR2 800/667 MHz memory architecture. It also supports 1333/1066/800 FSB (Front Side Bus), PCI Express x16 graphics and multi-core CPUs.


      ASUS EPU
      Enables the Most Energy Efficient Motherboard in the World
      The ASUS EPU utilizes innovative technology to digitally monitor and finetune the CPU power supply with improved VR responses in heavy or light loadings. Working together with AI Gear 3, it automatically provides power for higher performance or improves efficiency by 50% when the PC is running low intensity applications - helping you attain the best possible power efficiency and energy savings of up to 80.23% to help save the environment.
      ASUS 3rd Generation 8-Phase Power Design
      Longer Life, & Higher Efficiency!
      With power efficiency so important to operating temperatures, ASUS´ 3rd generation 8-phase VRM design leads the industry with its 95% power efficiency. High quality power components such as low RDS (on) MOSFETs for minimum switching loss & lower temperatures, Ferrite core chokes with lower hysteresis loss, and high quality Japanese-made conductive polymer capacitors all add up to ensure longer component life and lower power loss - creating more energy efficiency.

      Precision Tweaker 2
      Super-fine Adjustments to Help Create a Brand New O.C Record!
      Allows the user to adjust the NB Voltage, FSB termination Voltage, CPU PLL Voltage and the DRAM Voltage in 0.02v steps to finetune voltages to achieve the most precise setting for the ultimate customized overclocking configuration.

      ATI CrossFire Technology
      ATI´s CrossFire boosts image quality along with rendering speed, eliminating the need to scale 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.

      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.

      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.

      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.

      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.

      Q-Shield
      Easy and Comfortable Installations
      The specially designed ASUS Q-Shield does without the usual "fingers" - making 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).

      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.

      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.

      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.

      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.
      MyLogo3
      The ASUS MyLogo3 is the new feature present in the motherboard that allows you to personalize and add style to your system with customizable and animated boot logos.

      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 signal quality.

      Uses 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.

      ASUS two-slot thermal design (ASUS exclusive)
      ASUS exclusive two-slot thermal design
      ASUS two-slot thermal design provides better air-flow and lower VGA cards temperature than other brans´ one-slot design, which also ensures better system stability and longer component life cycle.

      C.P.R. (CPU Parameter Recall)
      Protect your BIOS data when overclocking.
      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.

      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.

      Model Number : N50 >
      • CPU
        Intel Socket 775 Core™2 Quad/Core™2 Extreme/Core™2 Duo/Pentium® Extreme/Pentium® D/Pentium® 4 Processors
        Compatible with Intel® 05B/05A/06 processors
        Support Intel® 45nm CPU
      • Chipset
        Intel P35
        Intel ICH9
        Intel Fast Memory Access Technology
      • Front Side Bus
        1600/1333/1066/800 MHz
      • Memory
        4 x DIMM, Max. 8 GB, DDR2 1200*/1066/800/667 Non-ECC,Un-buffered Memory
        Dual Channel memory architecture
        *Overclock speed
        **When installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended.
      • Expansion Slots
        2 x PCIe x16 (blue @ x16 mode, black @ x4 or x1 mode) supports CrossFire Technology
        2 x PCIe x1
        2 x PCI
      • Storage
        Southbridge
        4 xSATA 3 Gb/s ports
        Marvell 88SE6102 PATA controller
        1 xUltraDMA 133/100/66 for up to 2 PATA devices
      • LAN
        PCIe Gigabit LAN controller featuring AI NET2
      • Audio
        Realtek ALC 883, 8 -Channel High-Definition Audio CODEC
        Coaxial / Optical S/PDIF out ports at back I/O
        Support Enumeration, Multi-streaming
      • IEEE 1394
        VIA VT6308P controller supports 2 x 1394a ports (one at midboard; one at back panel)
      • USB
        12 USB 2.0 ports (6 ports at mid-board, 6ports at back panel)
      • ASUS Unique Features
        ASUS Power Saving Solution
        - ASUS EPU (Energy Processing Unit)
        - ASUS AI Nap
        - ASUS Q-Fan 2
        ASUS Crystal Sound
        - ASUS Noise Filter
        ASUS EZ DIY
        - ASUS Q-Connector
        - ASUS AI Direct Link
        - ASUS CrashFree BIOS 3
        - ASUS EZ Flash 2
      • Overclocking Features
        Intelligent overclocking tools
        - ASUS AI Booster Utility
        Precision Tweaker 2
        - vDIMM: 64 -step DRAM voltage control
        - vCore: Adjustable CPU voltage at 0.00625V increment
        - vChipset 33-step Chipset voltage control
        - vFSB Termination: 15-step reference voltage control
        - vCPU PLL: 64-step CPU PLL voltage control
        SFS (Stepless Frequency Selection)
        - FSB tuning from 200MHz up to 800MHz at 1MHz increment
        - DDR2 Memory tuning from 667MHz up to 1333MHz
        - PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment
        Overclocking Protection
        - ASUS C.P.R.(CPU Parameter Recall)
      • Special Features
        ASUS MyLogo 3
      • Back Panel I/O Ports
        1 x PS/2 Keyboard
        1 x PS/2 Mouse
        1 x S/PDIF Out
        1 x IEEE 1394a
        1 x LAN(RJ45) port
        6 x USB 2.0/1.1
        8 -Channel Audio I/O
      • Internal I/O Connectors
        3 x USB connectors support additional 6 USB ports
        1 x Floppy disk drive connector
        1 x IDE connector
        4 x SATA connectors
        1 x IEEE 1394a connector
        1 x CPU Fan connector
        2 x Chassis Fan connector
        1 x Power Fan connector
        1 x S/PDIF Out connector
        1 x4-pin ATX 12V Power connector
        24-pin Power connector
        Front panel audio connector
        COM connector
        Chassis Intrusion connector
        CD/AUX audio in
        System Panel
      • BIOS
        8 Mb Flash ROM
        DMI 2.0
        AMI BIOS
        PnP
        WfM 2.0
        SM BIOS 2.3
        ACPI 2.0a
        ASUS EZ Flash 2
        ASUS CrashFree BIOS 3
      • Manageability
        WfM 2.0,DMI 2.0,WOL by PME,WOR by PME,PXE
      • CrossFire
        Support ATI CrossFire graphics cards
      • Accessories
        UltraDMA 133/100/66 cable
        FDD cable
        2x Serial ATA cables
        1 x 2-port Serial ATA power cable
        ASUS Q-Shield
        User's manual
        3 in 1 Q-connector
      • Support Disc
        Drivers
        ASUS PC Probe II
        ASUS AI Suite
        Anti-virus software (OEM version)
        ASUS Update
      • Form Factor
        ATX Form Factor
        12 inch x8.6 inch ( 30.5 cm x21.8 cm )