Date:	Tue, 25 Mar 1997 20:40:18 -0500 (EST)
From:	Jude DaShiell <jdashiel AT eagle1 DOT eaglenet DOT com>
Sender:	jdashiel AT eagle1 DOT eaglenet DOT com
To:	Matthias DOT Paul AT post DOT rwth-aachen DOT de
Cc:	opendos AT delorie DOT com
Subject:	Re: floppy disks
In-Reply-To:	<17EE893AC7@ibh.rwth-aachen.de>
Message-Id:	<Pine.NXT.3.95.970325203749.14309U-100000@eagle1>
Mime-Version:	1.0

There's something else I've noticed with floppy drives, even when
they do work properly under opendos the transfer rate on file
copying is very very slow.  Don't know if that points at anything but there it is.
Thanks for the ideas to check out.
On Tue, 25 Mar 1997, Matthias Paul wrote:

> On Mon, 24 Mar 1997 16:31:48, Sylphid wrote:
> > i heard a couple of you guys talking about having problems with 
> > floppy disks with opendos .. i was at a friend's house with my 
> > pooter trying to copy some files on 1.44MB floppies, and i kept
> > on getting I/O erros.  is this the same as you experienced?
> > 
> > of course, it could just be my hardware .. i don't trust most 
> > parts of my computer at all.
> 
> I have never experienced these problems on my systems running
> Novell DOS, but I heard of someone, who had similar problems 
> with a harddisk, which was fixed with one of the earlier 
> Novell DOS updates.  While so far I assume that OpenDOS 7.01 
> can be compared best with Novell DOS Update 13, this might not be 
> the case for all fixes (someone from Caldera was needed to clarify 
> the status of the software).  So, these are only some guesses to 
> get more some information on you problems:
> 
> 
> Have you overspeeded your mainboard?  (Many older 386 boards suffer 
> from DMA 'dropouts', if they've run at higher speed for some time.)
> If you have a turbo switch, do these errors occur in slow mode?
> Try to slow down your DMA and bus timing in CMOS setup.
> 
> Do you have EMM386 installed?  If so, does the errors disappear 
> without EMM386 installed?  If so, try to fiddle with the /DMASIZE=kb
> option.  Does CONFIG.SYS DOS=LOW fix your problems?  If so, try to
> place the BUFFERS= in low memory, not in the HMA or UMBs, that is, 
> not using HIBUFFERS= and not using DOS=HIGH, and/or UMB during this 
> test.  By the way, what are your BUFFERS=, FILES=, and FCBS= 
> settings?  Is SHARE loaded, are you running under TASKMGR or Windows?
> 
> If these do not fix your problems, try to set the undocumented 
> CONFIG.SYS directive DEBLOCK=0000.  (For details on this and all the
> other undocumented switches, have a look at my NWDOSTIP.TXT from 
> my MPDOSTIP.ZIP package.)
> 
> If floppies do fine after these tests, tell us your results, 
> and we might better guess, where to search for a permanent fix.
> 
> Bye,
> 
>  Matthias
> ------------------------------------------------------------------
>  Matthias Paul     ! My eMail address has changed. For some time !
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>  eMail: <Matthias DOT Paul AT post DOT rwth-aachen DOT de>                       
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> 


jude <jdashiel AT eagle1 DOT eaglenet DOT com>

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