<Bingo! They are a single head version of the FD55F which was their
<'quad' density drive - 96tpi and 250k data rate.
<
<What other info would you like?
Thanks Don, that conformed what I thought. They are used in Visual 1050
CPM3 systems as 400kb drives. I'm looking at fitting them with a 3.5"
drive to be compatable with my other CPM systems at 720/780/1.44.
Allison