Asus A8V Deluxe Can't see full 4GB

[Bryan J. Smith]

tweeks <tweeks at rackspace.com> wrote:
> And no.. Running PAE is NOT desireable..

AMD's 48-bit addressing mode _requires_ PAE, 52-bit.  But it
doesn't take a performance hit like old PAE, 36-bit.

> Am I missing something here... or is this system simply NOT
> going to be able to get to that last PCI mapped 512MB?

I think you're not setting up some things correctly. 
Although the map may use 3.5-4GiB for I/O, you should still
have 4GiB usable (even if mapped to 4.5GiB).

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