You have an option of yes or no when uploading a file to this site. You have to click on "upload anyway" or something similar. I personally upload this file on 07/15/07 and I know it works because I use it on a Win98 machine. The contents of the file were taken directly from the install cd disk that came with the unit.
ME-320U2F USB enclosure drivers for Windows 98SE and Mac (update)
or any usb enclosure containing the "Oxford 911" (Prolific PL-2507) chipset
Unzip to a temp folder and run SETUP.EXE to install.