I will try to keep an up-to-date version of this mini-HOWTO available on my web pages. You can check it out at
http://www.torque.net/zip.html.
There is a more general ZIP FAQ web page (with a definite Macintosh bias) at
http://earth.cnct.com/home/steveg/zip.html.
Iomega’s web pages are at
http://www.iomega.com/.
And if you are looking for general information about parallel port programming for the PC, you might want to visit
http://www.lvr.com/parport.htm