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ECS A785GM-AD3 Motherboard Review




Socket AM3 socket for AMD Phenom™ II processors
High-performance HyperTransport 3.0 CPU Interface
Support transfer rate up to 5200 mega-transfers per second
Note: This board supports CPU up to 95W TDP only; you can refer to AMD website to check your CPU.
AMD® 785G & AMD® SB710
North Bridge: AMD® 785G
South Bridge: AMD® SB710
Integrated DirectX10.1 graphics processor

Dual-channel DDR3 memory architecture
4 x 240-pin DDR3 DIMM socket support up to 16GB*
Support DDR3 OC1600/1333/1066/800 SDRAM
*(Due to the DRAM maximum size is 2GB at present, the memory maximum size we have tested is GB)

*(Due to AMD CPU spec limitation, please refer to Memory QVL for more information)
Expansion Slots
1 x PCI Express x16 slot
2 x PCI Express x1 slots
3 x PCI slot
Support by AMD® SB710
2 x Ultra DMA 133/100/66 devices
5 x Serial ATA 3.0Gb/s devices
RAID0, RAID1, RAID10 configuration
1 x eSATA
Realtek ALC 888 8-channel HD audio codec
Realtek ALC 662 6-channel HD audio codec (optional)
Compliant with HD audio specification
Realtek 8111DL Gigabit Fast Ethernet NIC
Rear I/O Panel
1 x PS/2 Keyboard & PS/2 mouse connectors
1 x D-sub(VGA)
1 x DVI connector
1 x RJ45 LAN connector
1 x Audio port (1x Line in, 4x Line out, Mic_in)
1 x External SATA port
6 x USB ports
Internal I/O Connectors and Headers

1 x 24-pin ATX Power Supply Connector
1 x 4-pin CPU_Fan connector
1 x 3-pin NB_Fan connector
1 x 3-pin SYS_Fan connector
1 x Power on button
1 x Reset button
1 x IDE connector
1 x Speaker header
1 x Front panel switch/LED header
1 x Front panel audio header
1 x SPDIF out header
1 x Clear CMOS button
1 x CD in header
5 x Serial ATA connectors
3 x USB 2.0 headers support additional 6 USB ports
1 x 4-pin power connector for VGA card
1 x Chassis intrusion header
1 x Power on LED (Green Light)
1 x Stand by LED (Red Light)

System BIOS
Supports Plug and Play, STR (S3)/STD(S4), Hardware monitor, Multi Boot
Supports ACPI & DMI
Support CPU FSB adjustment, increase of 1MHz
-Supports PCI interrupt selection
-Memory voltage adjustable
-Audio, LAN, can be disabled in BIOS
-F11 Hotkey for boot up devices option
-Support for over-clocking
-Support page up clear CMOS Hotkey
-Support ECS M.I.B II Utility
-CPU voltage adjustable
-Memory voltage adjustable
NB Chipset Voltage Adjustable SB Chipset Voltage Adjustable
External Clock Adjustable
Multiple Frequency Adjustable
Form Factor
ATX Size, 305mm*220mm



  • AMD Phenom II
    With the state-of-the-art technology, AMD’s next generation processor, AMD Phenom II, enables the power of platform solutions for gaming, multitasking, and digital entertainment with outstanding performance and energy efficiency
  • Socket AM3
    The latest socket AM3 supports AMD’s AM3 processors which have featured the integrated memory controller for DDR3 memory that provides much higher bandwidth to enhance the overall system performance.
  • ATI Hybrid Graphics Technology
    To provide better gaming performance than a single graphics card, the innovative design of ATIª Hybrid Graphics Technology is capable to bring additional performance increase up to 1.75X by enabling the power of both integrated graphics core and the add-on graphics card simultaneously.
  • EuP Certified
    ECS Motherboards have been certified by EuP. EuP certification verifies that ECS motherboards comply with European Union stander to decrease the environmental effects and promote sustainable environment. Save energy and keep healthy environment by choosing ECS motherboards.
  • EuP Certified
    The highly scalable Hyper Transport 3.0 is capable to provide incredible bandwidth of the system bus up to 20.8GB/s which would dramatically elevate the efficiency of computing performance.
  • Dual DDR3 1600 OC
    Overclocking memory to achieve 1600MHz instead of origin memory speed for doubling the bandwidth of your system memory up to 25.6 GB/s.
  • 15μ Gold Contact
    ECS 15μ gold technique contains 15μ gold contact on CPU socket and Memory slot pins. It offers 3 times extra anti-oxidation, temperature resistant and scrape protection to ensure motherboards longest lifespan, better reliability and excellent contact.
  • AMD Overdrive
    The AMD OverDrive™ utility provides advanced system monitoring and amazing overclocking control options which allow users to directly tune the system performance in real-time under windows operation system.
  • eSATA
    The signal quality and the Max cable length is 2x longer than the conventional one. It also supports external HDD hot plug and keyed connector end for fool-proof.
  • SATAII 3.0Gb/s
    Doubles the transfer speed of SATA, running at speed up to 3.0Gb/s, and fully compatible with the soon-to-be-released SATA HDD, CD-ROM and other cutting-edge devices with NCQ function support.
  • Giga LAN
    Delivers transfer speed ten times faster than conventional 10 / 100 Ethernet connections, supporting a high transfer rate up to Gigabit/s. Gigabit LAN is the networking standards for the future and is ideal for handing large amount of data such as video, audio, and voice.
  • 8 Channel High Definition Audio
    Integrated 8-channel HD Audio CODEC delivering advanced multi-channel audio and bringing you the experience of home theater-quality sound.
  • DVI Output
    A video interface standard designed to maximize the visual quality of digital display devices such as flat panel LCD computer displays and digital projectors. DVI transmits a digital signal from a digital location in the graphics card to a digital location on the display screen. So you get the full clarity and stability of liquid crystal technology — with sharp, clear pixels.
  • USB 2.0
    USB2.0 is the latest connectivity standard which delivers transfer speeds up to 480Mb/s for easy connectivity and ultra-fast data transfers.
    The exceptionally increased interconnect bit rate from 2.5GT/s up to 5.0GT/s would effectively eliminates the bottle neck of the system performance and brings the most terrific computing experience from the present to the future.
  • Over-Clocking
    Maximizes your system performance by selecting from these overclocking options: (1) Flexible voltage adjustments (2) Adjustable ratio and Freq
  • M.I.B II
    ECS’s exclusive BIOS tweaking utility, M.I.B. II (Motherboard Intelligent BIOS II), which has gathered all options of overclocking in a single page, provides higher voltage capability for helping users to achieve better overclocking results.
  • ROHS
    The latest generation Microsoft O.S., delivers better personal productivity and digital entertainment on your PC through its improved reliability, security, and performance.
  • Certified For Windows Vista
    One eSATA port provides almost over 2 times transferring speed than USB 2.0 high-speed port. 6 USB 2.0 high-speed ports on rear panel makes users more convenient to connect more PC peripherals.
  • eJIFFY
    ECS eJIFFY is a Linux based interface for a fast boot application which is compressed in a CD to install on the hard drive.Within 8 seconds after the computer boots up, eJIFFY is ready to provide users the total enjoyment for web browsing, photo reviewing and on-line chat. Instead of waiting for the regular OS to start up, eJIFFY serves a convenient center to have quick fun or a glance at the hot news in today’s fast pace world where nothing can be too quick.
  • Certified For Windows® 7
    Windows® 7 platform introduces a number of manageability improvements that can reduce total cost of ownership by helping to increase automation, improve user productivity, and provide flexible administrative control to meet compliance requirements. It is more user-friendly and has been optimized to consume less system resources with Windows® 7 as well. Furthermore, the VT technology is enhanced to support real-time multimedia application including video playback and 3D games.




All information courtesy of ECS @ http://www.ecs.com.tw/ECSWebSite/Products/ProductsDetail.aspx?DetailID=1084&CategoryID=1&DetailName=Feature&MenuID=145&LanID=0

  1. Introduction & Closer Look
  2. Closer Look: The Motherboard
  3. Closer Look: Drivers & Programs
  4. Closer Look: The BIOS
  5. Closer Look: The BIOS (Continued)
  6. Specifications & Features
  7. Testing: Setup & Overclocking
  8. Testing: Apophysis, WinRAR
  9. Testing: Office 2007, POV Ray 3.7, PcMark Vantage
  10. Testing: Sandra 2009 Professional
  11. Testing: ScienceMark, CineBench 10, HD Tune
  12. Testing: Far Cry 2
  13. Testing: Crysis Warhead
  14. Testing: Call of Duty: World at War
  15. Testing: Fallout 3
  16. Testing: Left 4 Dead
  17. Testing: 3DMark06 Professional
  18. Testing: 3DMark Vantage Professional
  19. Conclusion
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