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Article View: comp.os.msdos.programmer
Article #2289

Reading antiquated disk formats

#2289
From: Fogbound Child
Date: Tue, 18 Sep 1990 23:15
27 lines
1669 bytes

OK, this is a chance for people to show their age and/or ingenuity.
I've got 5.25" disks from a variety of old machines, which are not MSDOS
format compatible. I would like very much to be able to read some of the 
stuff and convert it to a MSDOS-readable format.

The formats and machines are as follows:

FORMAT			OPERATING SYSTEM		MACHINE
---------------------------------------------------------------
30 track, SS, SD        MOS                             SysTek I
35 track, SS, DD        MOS+                            SysTek I
40 track, SS, DD        Newdos 80 v2                    TRS-80 Mod I
40 track, DS, DD        Newdos 80 v2                    TRS-80 Mod I

I tried some half-hearted low-level hacking, but encountered great 
Trolls of the System (stuff like sectors numbered 0, etc), and fled in fear.


Any Information would be greatly appreciated!
(Please, no flames near my beloved antiques...)
___Samuel___
_________I_claim_and_accept_sole_responsibility_for_the_above._SjG.____________
<goldstein@aerospace.aero.org> | "I should have been a pair of ragged claws,
<goldstein@arecibo.aero.org>   |  Scuttling across the floors of silent seas."
(213) 336-3592 (9-5, M-F)      |     --   J. Alfred Prufrock (T. S. Eliot)
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!aplcen!samsung!usc!elroy.jpl.nasa.gov!aero!arecibo.aero.org
From: goldstein@arecibo.aero.org (Fogbound Child)
Newsgroups: comp.os.msdos.programmer
Subject: Reading antiquated disk formats
Message-ID: <85968@aerospace.AERO.ORG>
Date: 18 Sep 90 23:15:11 GMT
Sender: news@aerospace.aero.org
Organization: The Aerospace Corporation
Lines: 27
Disorganization: Chronic