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Path: utzoo!linus!philabs!cmcl2!seismo!uwvax!astroatc!nicmad!brown
From: brown@nicmad.UUCP
Newsgroups: net.micro.pc
Subject: Re: ibm dos 3.1 vs 2.0
Message-ID: <177@nicmad.UUCP>
Date: Thu, 16-May-85 22:54:01 EDT
Article-I.D.: nicmad.177
Posted: Thu May 16 22:54:01 1985
Date-Received: Sun, 19-May-85 05:02:07 EDT
References: <194@uwvax.UUCP>
Distribution: net
Organization: Nicolet Instrument Corp. Madison WI
Lines: 22

> I have an XT. As an experiment, I booted dos 3.1 from floppy. I then
> used 'sys' to transfer dos to the hard disk. 3.1 would boot from the disk.
> Then I tried booting 2.0 from floppy. Again I used 'sys' to transfer
> 2.0 to the hard disk. Now I can't boot from the hard disk. If I transfer
> 3.1 over, I can boot from the hard disk. 
> 
> The question is: why, after installing dos 3.1, is it impossible to 
> install 2.0 so as to boot from it? (I realize  I can get back to 2.0 
> by reformating the disk, but I would rather not).

You didn't say anything about the COMMAND.COM file.  I am assuming that you
didn't move that as well.  If you didn't that would make it not work.  If
you did, you got me.  I haven't tried that experiment yet, and don't plan
to (I don't want to go back to any version of 2.xx)
-- 
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   ({!seismo,!ihnp4}!uwvax!astroatc!nicmad!brown)