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Thread: enabling hybrid crossfire x

  1. #1
    Join Date
    Sep 2003

    Default enabling hybrid crossfire x

    Hello all, i have a question on how to enable they hybrid crossfire x on my mobo. heres my specs



    AMD Phenom II X4 940 Deneb 3.0GHz Socket AM2+ 125W Quad-Core Black Edition Processor

    graphics card:
    Diamond Radeon HD 4890 Video Card - 1024MB DDR5, PCI Express 2.0 x16, CrossFireX Ready, (Dual Link) Dual DVI, HDTV

    OCZ Fatal1ty Edition 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel

    its been awhile since ive messed with computers and im having trouble finding anything in the Cmos setup to even enable the hybrid i have a paddle that goes in my slave pci slot too. Any suggestions?

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  2. #2
    Join Date
    Apr 2009

    Default Re: enabling hybrid crossfire x

    Yes here is a good site that explains hybrid an crossfirex-----> ATI CrossFireX? | GAME.AMD.COM
    A hybrid crossfirex uses the onboard video and a second Radeon hd3400 series(3450 or 3470). The Hybrid crossfireX will not work with a Radeon HD 4890 You would need 2 4800 series cards and CrossfireX them. Not the hybrid CrossfireX feature. That paddle card or jumper would need to be removed and another 4870 or 90 would need to be installed. If you are using the paddle card It should be in the upper pcie slot just below the Northbridge chipset Your single Radeon HD4890 should be in the lower slot for x16 pcie. You can confirm this with a GPUZ utility. Download it here-----> GPUZ utility is a downloadable quick little utility that will post your graphics cards information and confirm if your card is running at 8X or @16x Use the 4890 it has memory bus speeds that are running at least 4X faster than your onboard graphics. Your Bios settings are all in the manual you can find here---> BIOSTAR
    Click on the Biostar link then the manual tab there are 2 manuals for your motherboard. The second smaller one would be your bios manual.
    AMD 780 Configuration
    vxx.xx (C)Copyright 1985-200x, American Megatrends, Inc.
    Select Screen
    Select Item
    Go to Sub Screen
    General Help
    Save and Exit
    AMD 780 Configuration
    CIMX-RS780 Version : 4.1.0
    > PCI Express Configuration
    > Hyper Transport Configuration
    Primary Video Controller [PCI-GFX0-GPP-IGFX]
    NB Power Management Features [AutoInternal Graphics Mode
    This item allows you to select the memory mode used for internal graphi cs device.
    Options: UMA (Default) / SIDEPORT / UMA+SIDEPORT / Disable
    UMA Frame Buffer Size
    This item allows you to choose the UMA frame buffer size for internal graphics.
    Options: Auto (Default) / 16M / 32M / 64M / 128M / 256M / 512M / Disabled
    GFX Engine Clock Override
    This item allows you to control the internal GFX engine clock override function.
    Options: Disabled (Default) / Enabled
    Surround View
    This item allows you to control the Surround View Function.
    Options: Auto (Default) / Disabled
    FB Location
    This item allows you to set the FB-DIMM location.
    Options: Above 4G (Default) / Under 4G
    AMD 780 HD Audio
    This item allows you to control the northbridge HD azalia (HDMI audio) function.
    Options: Enabled (Default) / Disabled
    Last edited by artdrivers; 07-09-2009 at 08:05 AM.
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