You can see http://www.superant.com/cgi-bin/slencyclopedia.pl?USB and the same in http://www.wlug.org.nz/USB

Very interesting links like :

*http://linuxkey.biz/

*http://linuxmobile.sourceforge.net/

and

* http://linuxdocs.tuxfamily.org/flonix/index.php

Regards.