[geeks] Greater than 4GB swapfile on XP...

[nate at portents.com]

> But I'm kind of curious why 2 of the machines are running PAE kernels and
> the others aren't even though they all show as XP Pro 2002 SP3.

PAE is used/needed by DEP, and so needs a CPU with either NX (AMD) or XD
(Intel) support in the CPU, and is something that gets enabled
automatically if the hardware support is there:

http://support.microsoft.com/kb/875352

- Nate