So I read an article on making your interal SCSI bus external and then mounting drives in an external enclosure years ago and just perused it again and I thought it might be a fun hack. I have a stack of old 500 MB internal apple HD's and whatnot and thought I would use those and some other stuff. The thing I'm curious about is, if I remeber correctly, SCSI is a total of 27 devices on the bus? but on the back of the drives the jumpers only offer a limited number of jumper combos. How do I make sure that there is no conflict? Ideas?