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Abit AN78GS Motherboard

Author:  Justin Washick
Date:  2008.09.26
Topic:  Motherboards
Provider:  Abit
Manufacturer:  Abit


Page 1

Abit AN78GS Motherboard

Abit logo

Abit AN78GS

Introduction:

Continuing a tradition of quality computer circuit boards, Abit introduces the AN78GS, a motherboard that should support everything that the majority of computer users will ever need. It supports AMD Phenom (AM2/AM2+ socket) processors and it is capable of supporting more hard drives than most would need, enough PCI slots for all necessary peripherals, as well as an ATA-100 connector and a connector for a floppy drive, of which you may have read about in your history books.

Packaging:

Abit AN78GS Abit AN78GS
(Click to enlarge)

The packaging is that which you can normally expect when unpacking your shiny new motherboard. It is without cushioning but snug, with the contents organized to avoid a lot of movement during shipping. The box itself presents attractive artwork that could easily catch a consumer's eye while sitting on the shelf.

Abit AN78GS packaging Abit AN78GS packaging
Contents Motherboard Unveiled
(click to enlarge)

Included with the motherboard are a driver CD, two SATA cables, a power adapter to convert a Molex style connector to a SATA power plug, an IDE cable, case plate, and the standard manual. The power adapter and IDE cable are pleasant to see included, only because there is a lot of legacy equipment that continues to be serviceable, such as my IDE-based optical drive.

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Page 2

Abit AN78GS Motherboard


Abit logo

At A Glance:

  • Socket AM2/AM2+
  • NVIDIA® GeForce8200
  • 5200MT/s HT with AM2+
  • Dual Channel DDR2 1066
  • New generation PCI-E 2.0 X16
  • SATA 3Gb/s RAID 0/1/ 0+1/5
  • Gigabit LAN
  • 7.1 Ch HD Audio
  • NVIDIA Hybrid SLI Technology
  • NVIDIA PVHD Technology
  • abit Softmenu™ Technology
  • abit Silent OTES
  • RoHS Compliant
  • Features:

    AMD 64 Phenom FX

     

     

     

     

     

     

    NVidia Geforce Boost

    NVidia Hybrid Power

     

     

     

     

     

     

     

     

     

     

     

     

    NVidia n-View

     

     

     

     

     

     

     

     

     

     

    NVidia PVHD

    AMD Phenom™ FX Processors - Multi-core performance for life-like gaming, crystal clear digital media, and serious mega tasking
    1. Native, True Quad-Core Processor – Improve overall performance
      AMD Phenom™ FX Processors are the True Quad-Core Processors which allow cores to communicate on the same piece of silicon using Direct Connect Architecture with caches and core performance enhancements
    2. Hyper Transport 3.0 Technology
      With the Hyper Transport 3.0 Technology, systems with Socket AM2+ processor can support data rates up to 5200MT/s
    3. Integrated DDR2 Memory Controller –Supports Dual DDR2 1066
      Users are able to get a faster and better PC experience due to the Integrated Dual Channel DDR2 Controller with up to DDR2 1066 support which allows dramatic application performance improvements with greater system throughput and lower latency

    NVIDIA Hybrid SLI Technology -Increase 3D graphic performance

    • Enabled Hybrid Graphics models: 8400GS, 8500GT
      GF8200+8400GS= GF8500

      GF8200+8500GT= GF8600

    NVidia Hybrid SLI

    • GeForce Boost turbocharges the performance of your GPU while Hybrid Power unleashes graphics performance and saves power when doing simple processing.
    • DirectX10, improves graphic and gaming performance under Windows Vista®

    DirectX 10

     

    NVIDIA n-View Technology

    NVIDIA®'s nView technology enables you to use two monitors at a time. You can either use each monitor for displaying different content, or use two monitors to show the same content. Instead of a second monitor you can also, for example, use a projector.

    NVidia n-View

    NVidia n-View

     

    NVIDIA PVHD - Enhanced dedicated video engine

    The NVIDIA® GeForce 8200 is the world's first GPU video processor to offload 100% Blu-ray and HD DVD H.264 video decoding from the CPU. The PureVideo™ HD technology lets you enjoy stunning HD DVD and Blu-ray movies* with superb picture clarity, low CPU utilization, and lower power consumption.

    *System must meet certain hardware and software requirements

    NVidia PVHD




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    Page 3

    Abit AN78GS Motherboard


    Abit logo

    Specifications:


    4 Phase OC-PWMs - Longer service life, greater stability

    The 4- phase PWM layout provides sufficient power and great stability for AM2+/AM2 CPU and offers higher over-clocking potential


    Memory - More voltage stability with higher quality capacitors

    With the high quality capacitors, this additional 1 phase PWM can enhance the voltage stability delivered to DDR2 memory modules.


    abit Silent OTES - Black Edition! Keep it cool & quiet!

    Through this unique abit engirneered Silent-OTES heat-pipe design, heat generated by the chipset can be efficiently and noiselessly dissipated.


    CPU
    • AMD AM2+/ AM2 Processor using Hyper Transport™ Technology for up to 5200MT/s
      * AM2+ running HT3.0 5200MT/s
      * AM2 running HT1.0 2000MT/s
    • AMD Cool 'n' Quiet Technology

    Chipset
    • NVIDIA GeForce 8200 chipset

    Memory
    • 4 x 240-pin DIMM sockets support max. memory capacity 8GB
    • Supports Dual channel DDR2 1066/ 800/ 667 Un-buffered ECC/ Non-ECC memory
      *DDR2 1066 is supported by CPU AM2+ only

    Graphics
    • Integrated GeForce 8 series graphics DirectX 10 with Shader Model 4.0 support
    • NVIDIA® Hybrid SLI technology
    • NVIDIA® PureVideo HD with hardware H.264, VC1, and MPEG4 video decode
    • NVIDIA®  nView® multi-display technology capability, with two independent display controllers for the CRT, HDMI/DVI interfaces

    Audio
    • On board 7.1 CH HD Audio CODEC

    Expension Slots
    • 1 x PCI-E X16 (PCI Express 2.0)
    • 2 x PCI-E X1
    • 3 x PCI

    LAN
    • On board GbE LAN

    Internal I/O
    • 1 x Floppy Port supports up to 2.88MB
    • 1 x Ultra DMA 133/ 100/ 66/ 33 IDE Connector
    • 4 x USB2.0 header (support 8 ports)
    • 6 x SATA 3Gb/s connector

    Back Panel
    • 1 x PS/2 Keyboard
    • 1 x HDMI, 1 x VGA, 1 x DVI
    • 1 x RCA out
    • 4 x USB2.0, 1 x RJ-45 LAN Connector
    • 7.1 CH HD Audio connector (Front, Line-in, MIC-in, Center/Subwoofer, Surround, Read Surround)

    Serial SATA
    • 6 x SATA 3Gb/s
    • Supports SATA RAID 0/ 1/ 0+1/5 and JBOD

    Form Factor
    • ATX form factor 305x220 mm

    RoHS
    • 100% lead-free process and RoHS compliant

    abit SoftMenu™

    The original jumperless motherboard design allows for CPU setting changes completely through the BIOS. For GigaOverclocking! Boost your PC's Performance by up to 50%. Convenient and easy-to-use fine tuning from within a self-explanatory BIOS menu.


    abit EQ


    The abit EQ is a self-diagnostic system that protects PC hardware by monitoring voltages, CPU & system fans speed, and CPU/system temperature. With new generation abit EQ interface, you are going to have a yet more user-friendly experience.

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    Page 4

    Abit AN78GS Motherboard


    Abit logo

    A Closer Look:

    The installation went relatively smoothly as the ATX form factor allowed for sufficient spacing. The included driver CD installed roughly half of the drivers on Windows XP via the front GUI and each of the remaining devices required right-clicking on each unknown device and allowing the system to look for drivers, with the CD in the tray.

    The board is well-organized, being that all sockets are easily accessible. There should be no issue in regards to a socket being difficult to reach, or otherwise crammed up against the side of the case.


    Abit AN78GS Abit AN78GS
    CPU and Sink installed PCI ports
    (click to enlarge)


    Abit AN78GS Abit AN78GS
    Video card installed RAM installed
    (click to enlarge)

    An appreciative feature of this product is the Silent OTES heat-pipe design, which helps to cool the board's chip set.

    The AN78GS supports surround sound audio via an onboard chip set as well as several other ports for various devices. The onboard video chip set supports NVidia GeForce 8200 graphics, which includes a Hybrid technology which will allow you to use this chip set alongside a separate NVidia graphics card in SLI, though it appears to only support the following two models: 8400GS and 8500GT, of which the latter should allow for your graphics performance to be equitable to a single GeForce 8600 graphics card, per Abit's claims.


    Abit AN78GS
    Exterior ports
    (click to enlarge)

    The case plate is a snug fit with the motherboard ports and does not allow the USB ports to easily slide in, but it is not difficult to work around this. Additionally, I don't have any tools to snip off the tabs that originally blocked the LAN and HDMI ports, thus I left them folded up.

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    Page 5

    Abit AN78GS Motherboard


    Abit logo


    BIOS:

    The AN78GS uses a standard AwardBIOS so I will only discuss overclocking with respect to this product. Please consult our Overclocking Guide if you are unfamiliar with the details of overclocking in general.

    The options were are looking for to overclock are within the SoftMenu Setup screen, which is a jumperless design to allow overclocking completely within the BIOS. This will be the first option upon entering the BIOS, which is accessible via pressing the "Delete" key on the splash screen that first appears upon initiating the boot-up process.

    The appeal of the SoftMenu is that it allows for easy overclocking via an intuitive set of menus.


    Abit AN78GS BIOS AwardBIOS Abit AN78GS BIOS AwardBIOS
    Defaults
    Changing to User Define
    (click to enlarge)


    Abit AN78GS BIOS AwardBIOS Abit AN78GS BIOS AwardBIOS
    Settings can be changed Increasing CPU voltage
    (click to enlarge)

    The above images show the process of pressing "Enter" at CPU Operating Speed and at Voltages Control, which allows you to change to the User Define option. It's at this point that you can set your own values to get the most out of your hardware.

    I only have an image of the CPU Core Voltage screen, but the principles will be similar for all aspects. Within this section, you do not have have to know the voltage at which the CPU is currently running and need only ramp up gradually (for this section, adding 0.025V incrementally) from the default until you've reached a stable point at which you are comfortable. And as always, be cautious.

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    Page 6

    Abit AN78GS Motherboard


    Abit logo

    Abit AN78GS

    Conclusion:

    There are several aspects to this motherboard that are appealing to the consumer. The SoftMenu allows for intuitive overclocking and combined with the Hybrid SLI capability and other added features, this is a solid motherboard for the power-user on a budget.

    Overall, the AN78GS is a good option for those who want a solid foundation for an up-to-date system. It is affordable and the Hybrid SLI capability helps to provide the added benefit of not paying for an onboard chip set that would otherwise become moot if you also bought a new graphics cards. By getting a supported graphics card, you can get your desired graphics performance without spending as much as many other consumers. Priced at around $100, this is a good choice to build a solid system.

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