On Sun, Jul 31, 2005 at 09:36:42AM -0700, Jason Thorpe wrote:

The use of PAE seems to be the must.

[snip]
When used on a 32-bit operating system, the OS has to support Physical Address 
Extension mode, also known as PAE; you can't use NX if the processor is only 
doing normal paging.
[/snip]

WWW: http://www.devx.com/amd/Article/27809

-- 
hernani