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From: jsims@vuse.vanderbilt.edu (J. Robert Sims)
Subject: Re: Devide Overflow in 486
Message-ID: <1991Jun13.163014.26201@vuse.vanderbilt.edu>
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Organization: Vanderbilt University School of Engineering, Nashville, TN, USA
References: <1991Jun7.164632.18083@jato.jpl.nasa.gov> <1991Jun7.180912.5684@beach.csulb.edu>
Date: Thu, 13 Jun 1991 16:30:14 GMT

In article <1991Jun7.180912.5684@beach.csulb.edu> bwong@beach.csulb.edu (Bradley Wong) writes:
>In article <1991Jun7.164632.18083@jato.jpl.nasa.gov> ptimmerm@kathy.jpl.nasa.gov (Paul Timmerman) writes:
>>I a experiencing a problem with a Micrtronics 25 MHZ Cache 486 PC.
>>The error message is Devide Overflow.  It happens under many different
>>apps.  The OS is MSDOS 4.0.1.  Ran checkit and showed not problems.
>
> Offhand, try setting the system in "low gear".  I have seen several
> similar messages on my 486-33, several games and Avery LabelPro.
> Avery LP needed a new exe.  The others would work at 8Mh instead of
> 33Mh.  In one case (Monkey Island) that problem was due to a race 
> condition while waiting for the Sound Blaster driver to respond.
>
> Anyway, try a slower speed for starters.
>
>

I am going to suggest the opposite:  be sure that your system is set for
FAST in the CMOS setup.  I had the same problem, which would show up
when accessing the floppy drive.  It would also cause windows to crash
whenever it tried to use a floppy.  A new BIOS helped my problem, but
I must leave the CMOS set to fast, which means the turbo button doesn't
work.  If you want slow speed, hit ctrl-alt-minus after you boot DOS.
Don't do this in a window under win3 (unless you have everything saved).
Apparently this problem mainly occurs with IDE drives.

Good luck

Rob
jsims@vuse.vanderbilt.edu