I have not used it but you might want to take a look at RamDisk
http://www.majorgeeks.com/RAMDisk_XP_d271.html

JS

"Scott Ehrlich" <Scott Ehrlich@discussions.microsoft.com> wrote in message
news:EC635B67-98DB-4357-AB9A-1C50391B0E3E@microsoft.com...
>I have a new 32 GB quad-core PC that I plan to install WinXP 32-bit on.
> Since WinXP 32-bit only utilizes 4 GB RAM, will the remaining 28 GB be
> wasted, or can it somehow be utilized?
>
> Thanks.
>
> Scott