I have one of these Iomega NAS's. I tried for the longest time to identify the motherboard in it, and finally did as an Abit TS-20. It's a micro-ATX Pentium-3 board. Couldn't find drivers anywhere, but finally have succeeded in obtaining the original driver CD which contains (obviously) the drivers, also a flash utility and the motherboard manual. I have zipped it all and uploaded it to DriverGuide.com here: http://profiles.driverguide.com/driver/detail.php?driverid=1220444
Just putting in the link so somebody who needs it doesn't have to go through all the trouble that I did.

It's all good, but driverguide has an extensive search engine and would find those drivers upon a google search anyways... but thanks anyway )))