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Thread: Dual Graphics support in Catalyst for Llano

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  1. #1
    Join Date
    Oct 2011
    Location
    GTHA, Ontario, Canada
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    1

    Question Dual Graphics support in Catalyst for Llano

    According to the second footnote on AMD’s informational page,
    Linux OS supports manual switching which requires restart of X-Server to engage and/or disengage the discrete graphics processor for dual graphics capabilities.
    I want to clarify whether there is present support for the IGP and a discrete card working in conjunction for better performance than either alone. If not, I would appreciate it if any one knows and could tell me whether there has been any news from AMD about including this in an upcoming version of their driver.

    I want to build an mATX box in the very near future with an A8-3870 and a Radeon 6670 (assuming they release the former soon). Searching about the web has proven rather unfruitful. Much thanks in advance.
    Last edited by anomie; 10-05-2011 at 03:04 AM. Reason: Forgot to include the link.

  2. #2
    Join Date
    Oct 2007
    Posts
    321

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    I can actually say that Dual-graphics support does not seem to support the crossfire X configuration yet. however it's perfectly fine if you use the graphics cards separately for now. As for the Combination from an Llano chip and a dedicated chip, this is usable in single gpu mode, but not with the CrossfireX. I should also make sure you note that this is from a mobile setup of the Radeon 6720G2 ( combination of Radeon HD6520G and Radeon HD6650M ). Also, during installation you might need to use the Vesa drivers until you get the latest proprietary fully installed ( Tested on Sabayon Linux 6 )

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