There is a great website out there that details a lot about what one can do with these drives, how to get them open, back up and running and how to get around things like this.

http://www.ransackery.com/western-di...a.htm#comments

it's not the best organized but there is a TON of information there. I've gotten 1 of my older drives back up and running, after getting my data off it first.