> ZIPs drives are supposed to attach as sd0 (or sd1, sd2, ...).
> How old is your ZIP ?

 Err, not entirely true. ZIP drives can be External SCSI, External
Paralell Port and Internal IDE. The ZIP+ is both, External SCSI and
External Parallel (yep, interesting model). In the discussed case
the ZIP looks like Internal IDE.

-- 
Markus Illenseer