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Mail Archives: djgpp/1998/07/23/19:17:52

Sender: nate AT cartsys DOT com
Message-ID: <35B7BB95.57E7B48C@cartsys.com>
Date: Thu, 23 Jul 1998 15:39:17 -0700
From: Nate Eldredge <nate AT cartsys DOT com>
MIME-Version: 1.0
To: b52g AT usa DOT net
CC: djgpp AT delorie DOT com
Subject: Re: EMM386 limiting memory to 32Mb
References: <m0ywsQ6-000S4PC AT inti DOT gov DOT ar> <35AF0C4B DOT 6809E3B3 AT calderauk DOT com> <35b656b2 DOT 192965583 AT news> <35B6F120 DOT 9E2BCDE8 AT calderauk DOT com>

JP Morris wrote:
> 
> Victor wrote:
> >
> > On Fri, 17 Jul 1998 09:33:15 +0100, JP Morris <jmorris AT calderauk DOT com>
> > wrote:
> >
> > >
> > > QEMM doesn't have the limit, in one person's config I saw +90M of
> > > EMS!
> > >
> > If you saw 90Mb of EMS that doesn't mean there's no limit. The limit
> > could be 128Mb ;)
> 
> Very true, but CWSDPMI (Which is going to -use- the EMS) has a limit of
> 128MB physical anyway, IIRC.

256MB as of r4.  And CWSDPMI can't use EMS anyway, only XMS and the
like.  (Yes, pedantic I know.)

> (FluxOS/mach dos extender has a 2GB physical/2GB swap limit, but it is
> elf-based, not coff, and intended to be cross-compiled.)
> 
> If you use QEMM's DPMI server you won't be constrained by CWSDPMI.
> I don't know if there are any limits inherent in the compiler libs or
> not. (Apart from 4GB addressing)

I seem to have heard about show-stopping bugs in at least some versions
of QDPMI.  Check the FAQ.

-- 

Nate Eldredge
nate AT cartsys DOT com


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