How do I use USB as add on RAM to system?

[picard]

How do I use the USB memory as extra addon to system RAM? Vista suppose to have this feature. I checked the help file but it didn't mention about it.

 

[pkellmey]

You mean like this:
http://www.tomshardware.com/2007/01/31/windows-vista-superfetch-and-readyboostanalyzed/page3.html

 

[picard]

You mean like this:
http://www.tomshardware.com/2007/01/31/windows-vista-superfetch-and-readyboostanalyzed/page3.html

thank you. this is what I was looking for all this time.