It has been said here before. Linux fully supports PAE whereas Windows only uses it for execution restriction. Therefore you are not able to see anything beyond the 4 GB limit on Windows.
> Linux fully supports PAE whereas Windows only uses it for execution restriction.
That is not correct. Windows also supports full PAE, but adds licensing-based restrictions. The Datacenter and Enterprise editions of Windows Server 2008 will provide access to all 64GB RAM PAE can provide.
