i remember that, back in the old days of amiga cu mag and the like i read an article that tolking about a special modification that amiga paralel port need to work ok with zip drives, and if this thing on ebay is the one maybe it's not function ok. i have an ide 250 zip and use it from time to time when i wasn't have cdrw on amiga, and was working fine as a hard disk controled from HDToolbox.