I would normally expect multiple adapters to cause problems. In fact the lash up that works is: 80 -> HD50 -> HD68 -> Adaptec 2940w PCI card. What does not appear to work, at least so far, is 80 -> 50 ribbon style connector. I have yet to dismantle the machine enough to try it on the internal bus.

As an aside Equill, your posts are always informative but equally important, a pleasure to read because of your use of the language.