Mail Archives: opendos/2000/11/10/04:40:07
I never kept track of the problems with it. It sometimes would get an error
with DPMI and complain but would run anyway.. I don't remember what the
setup was when this happened. I had a 386SX25 with 4MB ram, 6MB ram, 386DX40
with 4MB ram, 8MB ram. I ran DRDOS 6, Novell DOS 7, on the SX Novell 7,
OpenDOS 7.01, Caldera DOS 7.02 on the DX. Somewhere along the line it worked
fine and would use DPMI. I didn't worry about it that much. As long as it
worked, I didn't care. But I do remember having it complain and sometimes it
would work without complaining. Also during the years I was running these
variuos setups, I also used QEMM. QEMM has it's own DPMI. PKZIP would show
variuos versions of DPMI being used. Some worked fine and with others PKZIP
would complain. Sometimes PKZIP would not use DPMI and run without it. PKZIP
2.01 also had problems. As long as it worked and did not hang the system, I
didn't worry about it. I never noticed any great increase in speed with or
without DPMI.
Now I have had definite problems using GZIP 32 bit. I have not checked it
out for a long time and just use the 16 bit version. I don't need to use it
very often in DOS, so I just use the 16 bit version.
The only thing I have done with 2.50 is run the help screens on PKZIP and
PKUNZIP and that worked fine. I'll play with it zipping and unzipping files
and see what happens. I have been using mostly RAR as it has better
compression and I like the way it splits up files into chunks. PK 2.5 my
have better compression than 2.04 and may be as good as RAR now, so I'll
probably check it out soon.
Pat
----- Original Message -----
From: "Arkady V.Belousov" <ark AT belous DOT munic DOT msk DOT su>
To: <opendos AT delorie DOT com>
Cc: <PAUL-MA AT reze-1 DOT rz DOT rwth-aachen DOT de>
Sent: Thursday, November 09, 2000 11:46 AM
Subject: Re: PKZIP 2.50 for DOS
> X-Comment-To: Matthias Paul
>
> Hi!
>
> 9-ξΟΡ-2000 18:02 PAUL-MA AT reze-1 DOT rz DOT rwth-aachen DOT de (Matthias Paul) wrote to
> opendos AT delorie DOT com:
>
> MP> Right now I cannot remember who it was, but a couple of weeks
> MP> ago someone mentioned that he was not able to use PKZIP 2.50 for
> MP> DOS under DR-DOS, while PKZIP 2.04 worked OK for him.
> MP> I have run some tests and have come to the conclusion, that
> MP> PKZIP 2.50's DPMI support fails under EMM386.EXE when DPMI
> MP> is enabled (so far I tested only EMM386 3.27 as of DR-DOS 7.03).
>
> ...and who wrong?
>
> MP> PKZIP 2.04 has (almost) no problems to use EMM386 DPMI support
> MP> (but there have been a number of other problems).
>
> Can you mention which?
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