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Re: [Xen-devel] VGA passthough still not working

On Fri, Jan 20, 2012 at 02:05:43PM +0100, Sandi Romih wrote:
>    Hello,
>    I have spent a lot of time trying to get gfx passthru working on my system
>    without success.
>    I looked onto my hardware capabilities again to make sure that it does
>    support VT-d and I am not too sure that it does fully.
>    My hardware is as follows:
>    - Supermicro X8DTH-6F motherboard (5520 chipset which supports VT-d)
>    - single Xeon X5650 CPU (which is listed as supporting VT-x, no mention of
>    VT-d at [1]ark.intel.com)
>    Now, according to the [2]VTdHowTo, the motherboard BIOS, chipset AND CPU
>    need to support VT-d.
>    What confuses me is, why is the 55x0 chipset listed there if none of the
>    CPU's supported, that I know of, dont have the VT-d feature option, only
>    VT-x.

I've been using VT-d with Xen with Intel 5500 series chipset, and Xeon 5600 
series CPU.
VT-d needs to be enabled in the BIOS.

-- Pasi

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