AMD Phenom II X4 955 Drivers


  1. Norwood
    Posts : 105
    Windows 7 64bit
       New #1

    AMD Phenom II X4 955 Drivers


    I work with Dell machines at work. The one thing I like about Dell is that they release driver packs, .CAB files that contain drivers for all the components for a given system.

    As I build out each specific laptop or desktop I simply download the driver pack and run through device manager and ensure all devices have up to date drivers. I find that CPU drivers, under the "System Devices" category particularly the "PCI to PCI bridge" and standard "PCI bridges" if mapped correctly provide great performance with quad core processors.

    However, the processor I have at home is an AMD Phenom II X4 955 (Deneb). Searching AMD's website (they seem to be obsessed with their graphics side of things lately) I don't find any drivers for my device.

    As seen in then window grab below, my PCI bridges are all just sitting there, unmapped and inefficiently bumbling along.



    Does anyone know where I might find the drivers for this. I've googled...I just don't see anything.
    P.S. What's the difference between the HDZ955FBGMBOX and the HDZ955FBGIBOX?
    Last edited by Norwood; 30 Apr 2012 at 20:49. Reason: Adding Snip
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  3. bobkn
    Posts : 2,606
    Windows 7 Pro X64 SP1
       New #2

    Chipset drivers (?)

    ASUSTeK Computer Inc. -Support- Drivers and Download M4A77TD
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  4. essenbe
    Posts : 26,869
    Windows 11 Pro
       New #3

    You need to download the drivers for your motherboard. The CPU does not have drivers, what you are looking for is the motherboard drivers.
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  6. stormy13
    Posts : 6,879
    Win 7 Ultimate x64
       New #4

    And won't change a thing as all those PCI devices use a native Windows driver. It shows the the exact same thing and I have the latest chipset driver installed.

    As for the difference between the two CPU's, it is the revision/stepping of them,

    Compare AMD Processors for Desktops: AMD Phenom

    The first (HDZ955FBGIBOX)is an early stepping) and the second (HDZ955FBGMBOX) is newer, with a few refinements to it over the previous.
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  7. Norwood
    Posts : 105
    Windows 7 64bit
    Thread Starter
       New #5

    bobkn said:
    Chipset drivers (?)

    ASUSTeK Computer Inc. -Support- Drivers and Download M4A77TD
    Yes, I misspoke. Thank you...
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  8. Norwood
    Posts : 105
    Windows 7 64bit
    Thread Starter
       New #6

    stormy13 said:
    And won't change a thing as all those PCI devices use a native Windows driver. It shows the the exact same thing and I have the latest chipset driver installed.

    As for the difference between the two CPU's, it is the revision/stepping of them,

    Compare AMD Processors for Desktops: AMD Phenom

    The first (HDZ955FBGIBOX)is an early stepping) and the second (HDZ955FBGMBOX) is newer, with a few refinements to it over the previous.
    It will "change a thing".

    Here's the device manager of a Dell computer at work with the proper chipset drivers installed:



    A processor performs much better when those PCI bridges are mapped to their respective devices.
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  10. stormy13
    Posts : 6,879
    Win 7 Ultimate x64
       New #7

    Big difference, that Dell is Intel based. Still won't change anything even after installing the latest chipset driver from AMD.

    Here is mine with the latest AMD chipset driver installed,

    AMD Phenom II X4 955 Drivers-pcihost.jpg

    The two that are missing from mine (3GIO and ATK0110) are because my board is newer. The first as I understand is if two or more video cards are present (can be onboard and card), which my motherboard doesn't have; my previous board does and that driver is installed, even though the onboard is disabled in the bios. The second is to help with how the OS "talks" to the bios, and is responsible for how the various senors (temperature, voltage, etc) are read. On my previous board the temps and voltages wouldn't be reported correctly by any monitoring app without it.
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