From: Aylott Mark <AylottM AT thmulti DOT com>
To: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>,
        Charles Sandmann <sandmann AT clio DOT rice DOT edu>
Cc: DGJPP Newsgroup <djgpp AT delorie DOT com>
Subject: Re: DPMI Host limited to 64MB physical memory on Compaq PC ??
Date: Mon, 09 Jun 97 10:12:00 PDT
Message-ID: <339C3951@smtpgate.villingen>
Encoding: 45 TEXT
Precedence: bulk


> From: Eli Zaretskii
> To: Aylott Mark
> Cc: DGJPP Newsgroup; Charles Sandmann
> Subject: Re: DPMI Host limited to 64MB physical memory on Compaq PC ??
> Date: Thursday, 5 June, 1997 11:12AM
>
>
> On Wed, 4 Jun 1997, Aylott Mark wrote:
>
> > Thanks for the reply and ideas. I have ditched all 3rd party memory
> > drivers ( blank config.sys ), and loaded nothing in the autoexec.bat
> > so it's using CWSDPMI
> >
> > My memory test program mallocs 1 meg blocks until it can't anymore.
> > Now I get 13MB of memory. The dpmi info call reports 3840 physical
> > pages ( = 15360 kBytes )
>
> What does go32-v2 print when invoked with no arguments?
>

When I run go32-v2 I get :

DPMI memory available 15627 kb
DPMI swap spcae available 0 kb

> > With HIMEM.SYS /EISA loaded I get 62MB

To be precise when I run go32-v2 I get :

DPMI memory available 62667 kb
DPMI swap spcae available 0 kb

> >
> > So it seems that CWSDPMI is not seeing all 128MB.
>
> This might also be due to what BIOS reports.  Charles, can it be that the
> value in CMOS wraps around at 64MB and therefore CWSDPMI thinks it has
> fewer memory than actually available?  This is about a machine that has
> 128MB physically installed.  Did you ever happen to run on such systems?
>

This does look like a BIOS problem, any ideas ?
Thanks,
Mark