Path: utzoo!utgpu!news-server.csri.toronto.edu!clyde.concordia.ca!uunet!cs.utexas.edu!sdd.hp.com!zaphod.mps.ohio-state.edu!wuarchive!udel!new
From: new@udel.EDU (Darren New)
Newsgroups: comp.sys.amiga
Subject: Re: Pin-out for external drive needed !!!
Message-ID: <18767@estelle.udel.EDU>
Date: 7 May 90 18:19:43 GMT
References: <1990May4.031413.5552@agate.berkeley.edu> <5160097@hplsla.HP.COM>
Reply-To: new@ee.udel.edu (Darren New)
Organization: University of Delaware
Lines: 12

In article <5160097@hplsla.HP.COM> tomb@hplsla.HP.COM (Tom Bruhns) writes:
>that it's an 80 track disk at that address (or alternatively, a 40
>track disk).  

Just to clear things up here...
you have sectors, blocks, heads, tracks, and cylinders.
cyl = heads times tracks.
Amiga floppies are 80 cyls, not 80 tracks.
Only old single-sided floppies are 40 tracks.
         (Jeesh, and I even see commercial disk-editor
          programs getting this wrong!)
                     -- Darren