What you're probably thinking of is Vista's ReadyBoost feature, which
can use a USB thumb drive (that meets certain minimum requirements - not
just any thumb drive) to enlarge/expand virtual memory. It does not
replace the virtual memory on the hard drive. WinXP does not, as far as
I know, support this.
--
Bruce Chambers
Help us help you:
http://support.microsoft.com/default.aspx/kb/555375
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The philosopher has never killed any priests, whereas the priest has
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~ Denis Diderot