yes it works, and its automatically backward compatible.

i have an Apple 3.5" here 800 ---> 2mb

aftermac was the one that motivated the project.

I guess FDHD externals are slightly rare?

http://aftermac.blogspot.com/

i know he did a post on the whole process somewhere, not sure if its on retromaccast.

http://retromaccast.ning.com/profile/JasonMcCormack

ah here it is

http://retromaccast.ning.com/profiles/status/show?id=1672786%3AStatus%3A98720#comments

Haha a guy like this, all Sportin his Mac Daddy shirt, doesn't play around! ahahah