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Article #26592

Re: Read/Write discs in another format

#26592
From: ftw
Date: Thu, 30 Apr 1987 14:36
16 lines
1182 bytes
I'm not aware of any programs myself which will read Apple Mac disks.  I would
also be very surprised to find any, since the Mac uses a constant linear
velocity disk format (and drive), where everyone else uses constant angular
velocity.

In short, a Mac disk spins at a slower rate when the head is at the outer
tracks, and faster on the inner tracks.  This means that there are more
sectors on the outer tracks, and fewer on the inner.  The density of the
information is the same (bits/inch or whatever) no matter which track you're
on.


				Farrell Woods
				Datacube, Inc.
				{mirror, ihnp4}!datacube!ftw
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!rutgers!clyde!ima!mirror!datacube!ftw
From: ftw@datacube.UUCP
Newsgroups: comp.sys.atari.st
Subject: Re: Read/Write discs in another format
Message-ID: <105100001@datacube>
Date: Thu, 30-Apr-87 10:36:00 EDT
Article-I.D.: datacube.105100001
Posted: Thu Apr 30 10:36:00 1987
Date-Received: Sun, 3-May-87 05:52:24 EDT
References: <773@luth.UUCP>
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Nf-ID: #R:luth.UUCP:-77300:datacube:105100001:000:611
Nf-From: datacube.UUCP!ftw    Apr 30 10:36:00 1987