I used to work for Iomega Tech Support, I remember this happening if your MB has a seperate ATA 100 controller (Promise/ HighPoint or whatever) and if you connect it to this then this will cause this ...

Arrgh! First of all, I just had C: die on me a few days ago. I knew it was dying for a while before the fact, and imaged it with Drive Image 2002. Dell sent me the replacement, I popped it in, imaged ...