On Thu, Dec 01, 2011 at 06:49:54PM +1300, Alexey Korolev wrote:
> Isaku san,
> 
> I've just added you to discussion.
> There are some issues with PCI 64bit support in Windows. Windows
> fails to assign the resource if it doesn't fit in first 4GB window.
> 
> I really don't know why it happens.
> One of the possibilities is related to lack of _DSM method in ACPI.
> 
> Another guesse could be related to the fact that 440FX only supports
> 32bit PCI bus interface and windows may limit PCI address range to
> first 4GB for PCI devices under this bridge.
> I remember you were working on Q35 chipset simulation, I wonder if
> it is working and would it be possible to try?
> 
> Thanks,
> Alexey

Maybe the range above 4G needs to be declared in the _CRS
resource?

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