M4A78-EM

    Product Image

    Brand New Design Optimized for AM3 CPU

    • O.C. DDR2 1200
    • AMD AM3 CPU support
    • EPU
    • Turbo Key
    • ASUS Express Gate
    • Hybrid CrossFireX support
    • Support 45nm Phenom™ II CPU
      Product Image

      CPU, Chipset and Graphics Features

      AMD® Phenom™ II/Athlon™ II/Sempron™ 100 Series Processors(AM3 CPU)

      This motherboard supports AMD® AM3 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. This motherboard also supports AMD® CPUs in the new 45nm manufacturing process.

      AMD 780G + SB700

      AMD® 780G Chipset is designed to support up to 5200MT/s HyperTransport™ 3.0 (HT3.0) interface speed and PCI Express™ 2.0 x 16 graphics. It is optimized with AMD´s latest AM3/AM2+ and multi-core CPUs to provide excellent system performance and overclocking capabilities.

      PCIe 2.0 support

      This motherboard supports the latest PCIe 2.0 devices for double speed and bandwidth which enhances system performance.

      Hybrid CrossFireX Support

      Boosted Performance with onboard GPU and discrete graphics card
      ATI Hybrid CrossFireX™ technology is a unique hybrid multi -GPU technology. It takes your gaming experience to the next level boosting PC performance by enabling the chipset ’s integrated graphics processor and a discrete GPU to operate simultaneously with combined output for blisteringly-fast frame rates unleashing the graphics performance (Windows Vista® OS only).

      AMD® Phenom™ X4/ Phenom™ X3/ Athlon™ X2/ Athlon™/ Sempron™ processors (socket AM2+/AM2)

      This motherboard supports AMD® Socket AM2+ multi-core processors. It features dual-channel DDR2 1066 memory support, data transfer rate up to 5200MT/s via HyperTransport™ 3.0 based system bus, and AMD® Cool ´n´ QuietTM Technology.

      O.C. DDR2 1200

      To attain top performance, ASUS engineers have successfully unleashed DDR2 1200(O.C.) MHz to meet the higher bandwidth requirements of the latest operation system, 3D graphics, multimedia, and Internet applications.

      *Ensure that you download and update to the latest BIOS at www.asus.com and purchase the memory modules listed in the ASUS official memory Qualified Vendors Lists (QVL).
      ** We recommend that you install the DDR2 1200 memory modules on the yellow slots for better performance.

      HDMI Support

      Enjoy Full HD 1080p Multimedia Home-Theater Entertainment
      High-Definition Multimedia Interface (HDMI) is a set of digital video standards that delivers multi-channel audio and uncompressed digital video for full HD 1080p visuals through through a single cable. Supporting HDCP copy protection such as HD DVD and Blu-ray Discs, HDMI provides you with the highest-quality home theater experience.

      ASUS Green Design

      EPU

      The ASUS EPU (Energy Processing Unit) provides total system power management by detecting current PC loadings and intelligently moderating power in real-time. It automatically provides the most appropriate power usage for the CPU, VGA card, hard drives, and CPU/chassis fans- helping save power and money!

      AI Nap

      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.

      ASUS Overclocking Tools

      Turbo Key

      ASUS Turbo Key allows the user to turn the PC power button into an overclocking button. After the easy setup, Turbo Key can boost performances without interrupting ongoing work or games - with just one touch!!

      Express Gate

      Express Gate

      0 to Internet in Seconds!
      Express Gate™ is an ASUS exclusive OS that provides you with quick access to the Internet and key applications before entering Windows®.

      ASUS EZ DIY

      EZ Flash 2

      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.

      CrashFree BIOS 3

      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.

      Other ASUS Features

      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.

      ASUS Q-Fan

      ASUS Q-Fan technology intelligently adjusts CPU fan speeds according to system loading to ensure quiet, cool and efficient operation.

      Industry Standard

      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.

      RoHS

      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.

      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.




      Model Number : N50 >
      • CPU
        AMD AM3/AM2+/AM2 ;Phenom™II /Athlon™II /Phenom™ / Athlon™ /Sempron™ Processors
        Support 45nm Phenom™ II CPU
        AMD Cool 'n' Quiet™ 2.0 Technology (by CPU type)
        Support CPU up to 125W
        *Refer to www.asus.com for the AMD CPU support list
      • Chipset
        AMD 780G/SB700
      • System Bus
        Up to 5200 MT/s HyperTransport™ 3.0 interface for AM3 / AM2+ CPU
      • Memory
        4 x DIMM, Max. 16 GB, DDR2 1200(O.C.)/1066*/800/667 ECC,Non-ECC,Un-buffered Memory
        Dual Channel memory architecture
        *Due to AMD CPU limitation, DDR2 1066 is supported by AM2+/AM3 CPU for one DIMM per channel only.
        *Due to OS limitation, 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.
        *Refer to www.asus.com or user manual for Memory QVL (Qualify Vendor List)
      • Expansion Slots
        1 x PCIe x16
        1 x PCIe x1
        2 x PCI
      • VGA
        Integrated ATI Radeon HD3200
        Max. shared memory: 256 MB
        Supports DVI-D with HDCP compliant with max. resolution 2560x1600 (@ 60Hz dual-link)
        Supports HDMI™ Technology with max. resolution up to 1920 x 1200 (1080P)
        Supports RGB with max. resolution 2048 x 1536 (@85Hz)
        Hybrid CrossFireX™ Support (For Windows Vista only)
        Dual VGA output support:
        RGB & DVI
        RGB & HDMI
        *Refer to www.amd.com for the Hybrid CrossFireX selected GPUs.
        *To playback the HD-DVD and Blu ray Disc we recommended system configuration above Graphic shared memory 256MB/Dual-Core CPU minimum/Minimum 1GB memory of Dual-channel DDR2 667 or Single -chanel DDR2 800.
      • Storage
        Chipset
        1 xUltraDMA 133/100
        5 xSATA 3 Gb/s ports Support RAID 0,1,10
        1 x External SATA 3Gb/s support JBOD

        *Due to the Windows XP/ Vista limitation, the RAID array with the total capacity over 2TB cannot be set as a boot disk. A RAID array over 2TB can only be set as a data disk only. For more information, please refer to http://support.microsoft.com/kb/946557/en-us
      • LAN
        PCIe Gb LAN
      • Audio
        ALC887 High Definition Audio 8-Channel CODEC
        Supports Jack-detect and Multistreaming teconologies
        Supports S/PDIF out interface
      • USB
        12 USB 2.0/1.1 ports (6 ports at mid-board, 6 ports at back panel)
      • ASUS Unique Features
        - ASUS EPU-4 Engine
        - ASUS Express Gate
        - ASUS Turbo Key
        - ASUS Q-Fan
        - ASUS CrashFree BIOS 3
        - ASUS EZ Flash 2
        - ASUS MyLogo 2
        - ASUS AI NET 2
      • Overclocking Features
        SFS (Stepless Frequency Selection)
        - FSB tuning from 200MHz to 550MHz at 1MHz increment
        Adjustable DRAM Voltage
        ASUS C.P.R.(CPU Parameter Recall)
      • Special Features
        100% All High-quality Conductive Polymer Capacitors
      • Back Panel I/O Ports
        1 x DVI
        1 x VGA
        1 x HDMI
        1 x LAN(RJ45) port
        6 x USB 2.0/1.1
        8 -Channel Audio I/O
        1 x Optical S/PDIF_OUT port
        1 x PS/2 Mouse / Keyboard port
        1 x eSATA
      • Internal I/O Connectors
        3 x USB connectors supports additional 6 USB 2.0 ports
        1 x IDE connector
        5 x SATA connectors
        1 x CPU Fan connector
        1 x Chassis Fan connector
        1 x Power Fan connector
        1 x S/PDIF Out connector
        1 x LPT connector
        1 x System Panel connector
        1 x COM connector
        1 x CD audio-in connector
        1 x High Definition Front panel audio connector
        1 x 24-pin EATX power connector
        1 x 4-pin ATX 12V Power connector
      • BIOS
        8 Mb Flash ROM AMI BIOS, PnP, DMI v2.0, WfM2.0, ACPI v2.0a, SMBIOS 2.5
      • Accessories
        1 x Serial ATA cable
        1 x UltraDMA 133/100/66 cable
        1 x I/O Shield
        User's manual
      • Support Disc
        Drivers
        ASUS PC Probe II
        Anti-virus software (OEM version)
        ASUS LiveUpdate Utility
      • Form Factor
        uATX Form Factor
        9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )