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From: clarson@ux.acs.umn.edu (Chaz Larson)
Newsgroups: comp.sys.mac.hardware
Subject: Re: My !@#&*% IIci floppy drive...
Keywords: 1.4MB 3.5 mini floppy initialization failures
Message-ID: <2720@ux.acs.umn.edu>
Date: 14 Nov 90 18:06:26 GMT
References: <32@ws7m.UUCP> <8836@pasteur.Berkeley.EDU> <1990Nov13.225202.13399@hayes.ims.alaska.edu> <1990Nov14.150505.21014@ux1.cso.uiuc.edu>
Reply-To: clarson@ux.acs.umn.edu (Chaz Larson)
Organization: Iron City, USA
Lines: 22

In article <1990Nov14.150505.21014@ux1.cso.uiuc.edu> robs@ux1.cso.uiuc.edu (Rob Schaeffer) writes:
|I have a super drive and I've suddenly had a LOT of formatting
|problems.  

I've been experiencing another wierd one.  Pick up a DS/DD disk and take a look
at the back [hub] side.  Notice that right where the HD-identifier hole would
be there is a small depression [I'm looking at a Sony disk right now, and it's
a little rectangular depression with "M06" in it]. On my IIci, this little dent
is apparently deep enough to make the drive think that it has recieved an HD
disk.  Stick the 800K floppy in, and the IIci reports that it "is formatted 
incorrectly for this drive."  Cover the micro-depression with a Post-It Note,
and it comes up as the 800K disk it really is.  Geez.  The way I understand it,
many PC's use an optical system for sensing whether or not that little hole is
present.  Why in the world did Apple use a mechanical system?

chaz



-- 
Someone please release me from this trance.
clarson@ux.acs.umn.edu                                       AOL:Crowbone