From: rossi AT cs DOT unibo DOT it (Davide Rossi)
Subject: Re: gnc problem on 486 (fwd)
To: djgpp AT sun DOT soe DOT clarkson DOT edu
Date: Thu, 8 Dec 94 1:11:42 MET

Hello,
> 
> > System:  VTECH 486SX25, 8MB, STACKed 210MB
> >          DR DOS 7 (with update 7.1?)
> >          WIN 3.1
> >          tried "nodpmi" switch and then:
> >
> >            from DOS same problem, BUT -
> >
> >            from DOS box in Windows - works just fine!
> 
> Somebody said here some time ago the NDOS DPMI server is 
> incompatible with go32.  So ``nodpmi'' should work.  Are
> you sure you set it OK?  You should do this:
> 
> 	set go32=nodpmi
> 
> The reason I'm asking is that you tell us it worked fine in
> Windows DOS box *after* you put the ``nodpmi'' into the
> environment.  But if you do this (at least on my machine)
> go32 refuses to run at all, because Windows DOS box can run
> go32 *only* in DPMI mode.  So, if you added ``nodpmi'' correctly,
> you should have seen an error message from go32 saying something
> like ``CPU must be in real mode, not V86 mode''.
> 
> If you did the above set command OK and it didn't help, then maybe
> there are some other way to disable DPMI services of NDOS?

dpmi off
dpmi on

Davide.