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SubjectRe: [PATCH 2.6.29-rc7 2/2] x86: disallow DAC for MCP51 PCI bridge
> x86 is blacklisting DAC for everything VIA. :-)

I'd assume that comes from published docs given VIA actually publish
stuff if you ask nicely.
>
> * MCP51 is a very old chipset at this point (it's circa 2005). Not
> many machine would be running with >4GB memory to begin with.
>
> * Given the above and scarcity of DAC on most end user machines
> (nothing on MCP51 does DAC by default), lack of reports isn't too
> surprising.
>
> * The board doesn't have a 64bit connector. It can't be dodgy
> connector and sil24 is known to behave well with DAC. The failure
> being specific to the particular machine doesn't seem likely.
>
> I'll ping nvidia about it but I think your bar is too high.

I don't think wanting to see *two* examples is a high bar.


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