From: Jon Williams <jonw AT nouva DOT com>
To: opendos AT delorie DOT com
Subject: Re: Packed file is corrupt?
Date: Sat, 21 Nov 1998 18:57:52 +0000
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Try memmax -l -u

I think I remember correctly. DRDOS is giving you too much memory, and the app.
can't load into the lowest 64k.

jon

On Sat, 21 Nov 1998, you wrote:
>I downloaded DR-DOS 7.02 some time ago to try on my old Philips P2230 
>with i286 CPU, after having used MS-DOS 6.0 before. Recently, I even 
>updated to DR-DOS 7.03 BETA.
>
>When trying to launch a couple of applications residing on the C-
>drive, among them PCTOOLS' PCShell, in a version from 1991, I got the 
>error message "Packed file is corrupt". I'm not running any kind of 
>disk-compression.
>
>However, when trying to launch the same applications from Norton
>Commander, 1988 version, everything seemed to be quite normal. Also,
>when trying to launch the same applications from the commandline
>after having booted the computer up from a floppy with DR-DOS 7.02 or 
>MS-DOS 6.0, nothing peculiar happened.
>
>
>ANOTHER PECULIARITY
>
>I recently bought some software from the Swedish Postal Giro, in 
>order to be able to pay my bills via modem. I chose an old DOS-
>version of their software, in order for it to work properly on my old 
>computer. The name of this software is "AviTel 3.33" which probably 
>doesn't mean a thing to you. The program's configuration is 
>automatically saved to a file called "avitel.bok".
>
>Anyhow, when changing the configuration to suit my needs, the program 
>refused to start anew, claiming there was something wrong with the 
>configuration file - "unknown post" or something like that.
>
>Then I tried to make the changes after having booted the computer 
>with MS-DOS instead, and now it worked! The changed file could also 
>be read by DR-DOS. 
>
>Then I made the experiment just *looking* at the configuration
>(without making any changes) and then finishing the program. With
>MS-DOS the config-file now had a new time-stamp, but the same size. A
>close scrutiny with PCShell in hex-read-mode revealed some
>differences, though. Doing *exactly* the same thing with DR-DOS, both
>7.02 and 7.03, the file also changed, but not in the same way, and
>the length was also increased, from 503 bytes to 512 bytes. The file 
>"looked at" with MS-DOS was still accepted by the program, whereas it 
>rejected the file DR-DOS had been involved with.
>
>I suppose one cannot expect 100% compatibility between different OS's 
>and different versions thereof. 
>
>Lars-Einar Jansson
>Stockholm, Sweden
>Stockholm, Sweden
--
Jon Williams

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