From: pjfarley AT dorsai DOT org (Peter J. Farley III)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Need Old DOS Program to Run on WIN95
Date: Wed, 08 Oct 1997 01:56:41 GMT
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Jeffrey Furlong <jfurlong AT telephone-headset DOT com> wrote:
>All my machines have WIN95 on them. Some will run a DOS 5.0 application called GEOS, 
>some will now. The machines that run the old DOS program, all had MS-DOS on their 
>machine before WIN95 was loaded on top of it. The machines that will not run the old DOS 
>program never had DOS on their machine before.

Hm-m-m.  Maybe PC GEOS (BTW, I used the C64 version for a long time)
is looking for the MSDOS boot files, IO.SYS and/or MSDOS.SYS
(IBMBIO.SYS and IBMDOS.SYS on IBM systems)?  That could explain the
difference in which systems run it and which do not.  I thought,
though, that a Win95 install deleted those files?  Maybe not?

>I did a mem /c to see what was loaded. I noticed on the machines that ran the old DOS 
>program, MS-DOS was loaded into memory. On machines that never had DOS on their system, 
>I just see SYSTEM loaded into memory.

It just occurred to me that what you see as "DOS" loaded is probably
COMMAND.COM, plus maybe the drivers and such from MSDOS.SYS.  I
believe that "SYSTEM" is the Win95 version of this.  If you still see
"DOS" loaded on a Win95 system, I recommend you go to a good Win95
forum and ask there why you see that difference between the DOS
converted systems and the never-was-DOS systems.  That may well give
you the clue you need to solve the problem.

BTW, do you do the mem /c from a DOS box on W95, or from a "pure DOS"
(don't start Win95) boot?  Is there a difference in mem /c output
between the two?

>How can I get MS-DOS loaded into memory on a WIN95 machine, or, how can I get the old 
>DOS program to run? 
>
>PS Already tried SETVER

I don't know how much more help I can be.  This subject *is* just a
tad off-topic for this group, so if you have more questions, please
contact me via email only.  In any case, good luck solving your
problem.

Peter J. Farley III (pjfarley AT dorsai DOT org)

----------------------------------------------------
Peter J. Farley III (pjfarley AT dorsai DOT org)