Subj : DOS fix
To   : All
From : Sean Dennis
Date : Thu May 07 2020 07:50 pm

Hi everyone,

Here is the full fix.  This is available at:

https://www.arcanoae.com/wiki/arcaos/known-issues-commonly-reported/#doswin

Here is the full fix verbatim:

===
This is a known condition on many newer systems. It is mentioned in the README
in the list of known issues. Generally, this is due to an incompatibility in
the BIOS of the system with the DOS VDM code in ArcaOS (inherited from IBM's
OS/2 Warp 4).

Arca Noae is continuing to work on addressing this (and other causes of
failure of DOS sessions to start).

Some possible workarounds:

Modify the VSVGA.SYS line in CONFIG.SYS to include the following parameter:

DEVICE=N:\OS2\MDOS\VSVGA.SYS /int10textgrfxsafe

With the above change, it may be necessary to append the following to
AUTOEXEC.BAT (located either in the root directory of the boot volume or
where specified for the DOS session object):

mode co80
cls

Another option, when full screen sessions work but windowed ones do not, is
to open a full screen session first, and then press Alt-Home to switch it to
a windowed session (this only works for DOS sessions, not OS/2 full screen
and windowed sessions).
===

So Rick, try adding that "mode" statement to AUTOEXEC.BAT.

Later,
Sean

... Don't ask me; I was hired for my looks.
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