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Date:	Sun, 24 Oct 1999 19:06:32 PDT
From:	Patrick Tantraphol <ptantra@pacbell.net >
Reply-To:	scoug-general@scoug.com
To:	< "scoug-general@scoug.com" > scoug-general@scoug.com >
Subject:	SCOUG-General: Tuning OS/2 for legacy DOS

Content Type: text/plain

On Sun, 24 Oct 1999 12:18:25 -0700 (PDT), Peter Skye wrote:

>Refresh my memory. What are the things I need to do to tune OS/2 for
>old DOS programs?
>
>1) AUTOEXEC.BAT: I know there's an AUTOEXEC.BAT file in the root
>directory, which I presume is the _default_ for DOS. I seem to remember
>some way to have a different DOS AUTOEXEC.BAT for some DOS sessions -
>anyone remember?

save your autoexec.bat file under a different name such as AUTOEX.BAT
(probably anything with a .BAT extension will do). Then go to your DOS
Properties and change the DOS_AUTOEXEC parameter to refer to your new
autoexec file.

>2) CONFIG.SYS: Also, in the OS/2 CONFIG.SYS file there are some DOS
>settings. Anybody remember where a complete list of these might be?

I only know the obvious ones such as:
PATH
FILES=## (also definable in DOS Properties)
BUFFERS=## (also definable in DOS Properties)
DOS=[HIGH|LOW], [NOUMB|UMB] (also definable in DOS Properties)
DEVICE=x:\OS2\MDOS\VCOM.SYS (for com ports)
DEVICE=C:\OS2\MDOS\VSVGA.SYS (for video driver)
SET TEMP=

You may just want to alter the FILES, BUFFERS, and DOS= parameters only in
the DOS Properties of your DOS Program.

Hope this helps,
Patrick

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