One USB Tape Drive:
http://www.onstream.com/desktop/usb30_e.html

Mnimum system requirements 
IBM compatible PC with Pentium 200 or higher processor 
- Windows 98 
- 32 MB of RAM 
- 50MB of free hard disk space 
- CD-ROM drive to install software 
- Available USB port 

 
What you get in the box:
 
- 30GB USB external drive 
- Getting started guide 
- Quick install card 
- USB cable 
- Power supply 
- Vertical mount stand 
- CD-ROM with OnStream Echo Software and documentation 
30GB ADR cartridges are sold separately 


>No, not on parallel port. Do USB tape drives exist ?
>
>--
>Manuel Bouyer <bouyer@antioche.eu.org>
>--