Date   : Sat, 26 Aug 2006 01:44:20 +0100
From   : jgh@... (Jonathan Graham Harston)
Subject: Re: writing and reading on 3.5 floppy

>Message-ID: <10608240039.ZM21586@...>
 
Pete Turnbull <pete@...> wrote:
> On Aug 23 2006, 12:37, David Hunt wrote:
> 
> > The reason 3.5" drives don't work on the ModelB is the 8271 expects
 
They *do* work with an 8271 if you use DFS 0.90 or DFS 1.21.
 
> to get a sector start notification from the drive.
 
> I believe that's essentially incorrect; they do have an index sensor.
 
> What is true, is that some modern 3.5" drives mask out the INDEX pulse
> (and the READ DATA signal) during seeks, which might cause timeout
> problems.
 
Is there an actual correct explanation for why using 3.5" disk
drives with DFS 1.20 gives "Disk Error 10"? I've given up and just
say "DFS 1.21 works with 3.5" drives by ignores Disk Error 10".
 
-- 
J.G.Harston - jgh@...                - mdfs.net/User/JGH
There are three food groups: brown, green and ice cream.