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E/D 1.99n under OS/2 workaround



Hi Folks,

Brian Landy sent this workaround to me earlier today.  I haven't been
able to verify that it works because we don't yet have OS/2 running
anywhere, although Steve Sinnott and Brian Landy are giving me
pointers.

Hi,
   First, the workaround.  I just thought of it this morning.  Use the boot  
from drive A Dos prompt icon.  Better yet, make a virtual disk image.   
Anyway, this is the method which sets up a real copy of Dos in an OS/2 VDM.   
I ran my image of a DOS 6.22 bootdisk, and Executor ran flawlessly.  Here  
are the autoexec.bat and config.sys on that disk image:

config.sys
----------
rem The following OS/2 supplied driver must be on the boot disk.
rem It gives access to OS/2 HPFS hard drives.
device=fsfilter.sys
rem The next 2 are the special OS/2 versions, necessary for XMS, EMS
DEVICE=e:\OS2\MDOS\HIMEM.SYS
device=e:\os2\mdos\emm386.sys
DOS=HIGH,UMB
FILES=40
BUFFERS=30,0
LASTDRIVE=Z
FCBS=16,8
STACKS=9,256
SHELL=C:\DOS\COMMAND.COM C:\DOS\ /p /e:310

autoexec.bat
------------
@echo off
prompt $p$g
path=c:\dos;a:\;e:\os2;e:\os2\mdos;e:\os2\system;f:\dosutils;e:\;c:\WINDOWS; 
c:\winos2\dll;c:\drivers\viper;c:\win32s11;f:\tcpip\dos\etc;f:\tcpip\dos\bin
SET TMP=f:\temp
SET TEMP=f:\temp
set ETC=f:\tcpip\dos\etc
set viperpath=c:\drivers\viper
SET DIRCMD=/O:GEN
set blaster=A220 D1 I5 T3

set comspec=a:\command.com
lh e:\os2\mdos\mouse.com
lh c:\dos\doskey
rem This final OS/2 driver switches the real floppy drive from a to be
rem letter h, because the disk image will boot as drive a.
fsaccess h=a

To make a disk image, look up vmdisk in the Command Reference.  Anyway, this  
works, Executor runs.