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Article View: alt.msdos.programmer
Article #15

Re: MSC 7.0 386MAX general compatibility problem

#15
From: RICHARD HOFFBECK
Date: Thu, 29 Oct 1992 19:00
40 lines
3041 bytes
In article <1992Oct28.231557.29142@cbnewsi.cb.att.com>, promislo@cbnewsi.cb.att.com (mark.r.promislow) writes:
> I am using MS-C/C++ 7.0 with the Qualitas 386MAX memory manager
> that MS packaged with it.  MS-C/C++ 7.0 requires either 386MAX or
> MS-Windows to run their compiler.
>  
> The problem that I am having is if I boot with 386MAX my MS-Windows
> performance is greatly reduced.  Just to run MS-Windows, I needed to
> increase my memory from 4M to 8M.  Also, if I try to load any of my
> PC-Lan software I very quickly get out of memory errors.  I am
> wondering if I am doing something wrong, or if other people have
> encountered similar problems and perhaps found a way around them.

I finally took 386MAX off my system last night and installed the DPMI module
for QEMM.  After $20 in connect time to download patches from Compuserve and
all sorts of compatibility problems, I decided that 386MAX was just too
expensive for me.  386MAX was constantly causing 'insufficient memory'
errors with the C 7.0 tools even with 4 megs of memory, and I was no 
longer able to run some simple Clipper applications I had laying around that
only required 384K of conventional memory.

The clincher came when I found that the virtual memory library that comes
with C 7.0 wouldn't work with 386MAX (even after applying the patches from
Qualitas).  HIMEM/EMM worked fine, QEMM worked fine and the DPMI in Windows
worked -- it was only 386MAX that locked up the system when the VM module
tried to access XMS memory (EMS and disk based VM would work as long as
smartdrv wasn't loaded)

Do yourself a favor and drop 386MAX into the nearest trash can.  QEMM is a
bargin at twice its discounted price and of course himem/emm is included
with DOS and Windows.  Compiling in a Windows DOS box isn't even too bad
if you set the foreground priority high enough.

--rick

+-----------------------------------------------------------------+
| Richard Hoffbeck               INTERNET: rwh@moose.cccs.umn.edu |
| Colon Cancer Control Study     ATT     : (612) 627-4151         |
| University of Minnesota        CIS     : 72406,521              |
| Minneapolis, MN 55455                                           |
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From: rwh@moose.cccs.umn.edu (RICHARD HOFFBECK)
Subject: Re: MSC 7.0 386MAX general compatibility problem
Message-ID: <29OCT199213000228@moose.cccs.umn.edu>
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Organization: Colon Cancer Control Study, University of Minnesota, Minneapolis
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Date: Thu, 29 Oct 1992 19:00:00 GMT
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