On Apr 27, 2009, at 2:48 PM, David Hawkins wrote:

Can you give me an example of non-PCI memory that would be
non-prefetchable that you'd like us to try? We can see if our
host CPUs have an area like that ... we just need to know
what device to look for first :)

You can mark the pci inbound window on the 83xx as non-prefetchable  
(assuming 83xx is host). On a x86 host I doubt there is any easy way  
to get non-prefetchable memory.

- k