Win3xStart - allows to start Windows 3.x under DOS 7.1

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Win3xStart - allows to start Windows 3.x under DOS 7.1

ﾀﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄﾙ

v1.53 - 14 January 1999

by Ralf Buschmann, based on an idea by Samuel Leo

This document will look most pretty in a MS-DOS based text editor ...

Purpose

Win3xStart makes some changes to the file IO.SYS of DOS 7.10, allowing

you to install and run Windows 3.x in OSR2/Win98 DOS mode like in earlier

versions of Windows 95. Normally, Windows 3.x complains about an

incompatible DOS version. If you say: "Wait a minute: shouldn't I

re-install OSR2 over an existing DOS 6.x and then use the 'Previous

operating System' menu item in Windows 95 boot menu for that purpose ?" -

forget about it. This works for the first time attempt, but results in

COMPLETE boot failure the next time you reboot your machine. Dual boot is

officially not supported in OSR2. If you really need the dual boot

feature with a previous version of DOS, use the fix that I include in

directory DUALBOOT.BUG here. This installs MS-DOS 6.22 from the original

setup diskettes and fixes the dual boot failure simultaneously.

Note: Dual boot capability with earlier versions of DOS has been restored

in Windows 98.

How do you determine that you have OSR2 at all ? Go to a DOS prompt and

issue the command VER. Windows 95 OSR2 responds

Windows 95. [version 4.00.1111]

All earlier versions of Windows 95 display [... 4.00.950], you do not

need the patch there. If you plan to install Windows 3.x under such an

earlier (also known as 'retail') version of Windows 95, please read the

installation notes on Windows 3.x in this document carefully too.

Usage

Just start W3XSTART.EXE. The program gives you three options, "Apply

Changes", "Undo Changes" and "Exit". The first option saves the data to

be modified to the backup file W3XSTART.BIN in current directory and then

patches IO.SYS. The program looks for IO.SYS on C:\, if for any reason it

is not found there it prompt's you to enter a full path. In this case be

careful because any filename is accepted and minimal error testing is

done only by checking file size and searching for an OSR2/Win98 specific

string. Normally, IO.SYS is located in the root directory of your boot

drive with it's attributes set to Read Only, Hidden and System. But first

of all Win3xStart will check your DOS version and terminates if it's

different from 7.10 (OSR2/Win98).

The second option restores all changes from W3XSTART.BIN, the third

finally aborts the program without any actions.

Because IO.SYS is an Windows 95/98 system file that is used during boot

process, I strongly recommend to use Win3xStart from a Windows 95/98

floppy boot disk.

IMPORTANT NOTE: This disk must NOT be write protected !

Doing so, the backup file will be in a safe place and in case of complete

failure you are able to boot from that disk again and to safely restore

all modifications from WIN3XSTART.BIN by the 2nd option in Win3xStart.

After applying the patch, reboot your machine to DOS mode and install

Windows 3.x

IMPORTANT NOTES ON INSTALLING WINDOWS 3.X

Please choose USER DEFINED SETUP (hope this is the correct term in

english). Choose a directory DIFFERENT from where Windows 95/98 is

installed. Then, at the end of setup, it is very important that you

answer

when Setup asks you to update AUTOEXEC.BAT and CONFIG.SYS ! Updating

these files by Windows 3.x will cause some DOS drivers from Windows 3.x

to appear there that are NOT compatible with DOS 7.10. These drivers

then replace the DOS 7.10 ones which may lead to the inability to start

EITHER Windows 95/98 OR Windows 3.x. After finishing setup, check once

again that there are NO drivers in AUTOEXEC.BAT and CONFIG.SYS that are

loaded from the Windows 3.x directory, especially HIMEM.SYS,

IFSHLP.SYS, SETVER.EXE and EMM386.EXE. All drivers must be by DOS 7.10

and therefore loaded from Windows 95/98 directory or it's COMMAND

subdirectory. Of course, this applies not to third party drivers that

are installed on your machine.

There is ONE exception: If you decide to use an startup menu in

CONFIG.SYS as recommended (see below), and ONLY then, you should load

IFSHLP.SYS from the Windows 3.x directory in the [DOS] section of

CONFIG.SYS. This allows to use the Windows 3.11 32bit disk access since

this is not available with the DOS 7.10 version of IFSHLP.SYS. In this

case it is not an good idea to start Windows 95/98 later from the DOS

prompt...

PLEASE NOTE ALSO: To create and use a permanent swap file in Windows

3.x you have to allow direct disk access by the command LOCK <DL>:

before starting Windows 3.x, where <DL> have to be replaced by the

drive letter where you want to create / use the permanent swap file.

Please read the warning LOCK displays carefully. After exiting Windows

3.x you should disallow direct disk access by UNLOCK <DL>: . Further,

you will not be able to create the permanent swap file on a logical

drive that resists in an extended partition that was created by the DOS

7.10 version of FDISK. These are normally drive letters D:, E: and so

on. This does not apply to FDISK of the retail version of Windows 95.

And yes, it is possible to install Windows 3.x on a FAT32 drive. But be

careful, because using a permanent swap file by locking this drive as

described may damage the FAT32 file system !! Do not use a permanent swap

file here.

Notes

In order to avoid problems with Windows 3.x applications that scan for

system files such as WIN.INI and SYSTEM.INI, the Windows 95/98 directory

should be removed from your PATH statement before starting Windows 3.x.

Because you have to start your computer in DOS mode to run Windows 3.x,

this can most easily done by a batch file that first modifies PATH and

then starts Windows 3.x. Assuming you have Windows 95 in C:\WINDOWS and

Windows for Workgroups in C:\WIN311, this would look like the following:

ﾄﾄᦍ 121k1023b 2;ﾄWIN311.BATﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄ

@ECHO OFF

REM Makes Backup of current path

REM

SET ORGPATH=%PATH%

REM

REM Removes Windows 95 from PATH, but leaves WINDOWS\COMMAND as DOS

REM directory and adds Windows 3.11 directory. Add further directories as

REM needed.

REM

SET PATH=

SET PATH=C:\BAT;C:\WINDOWS\COMMAND;C:\WIN311

REM

REM Starts Windows 3.11

REM

C:\WIN311\WIN.COM

REM

REM Restores old PATH

REM

SET PATH=%ORGPATH%

SET ORGPATH=

ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄWIN311.BATﾄﾄᦍ 121k1023b 2;ﾄ

Now save this batch, e.g. as C:\BAT\WIN311.BAT, assuming you have a

directory C:\BAT. At least, the directory where you saved the batch

should be listed in your PATH statement in AUTOEXEC.BAT , so you can

start Windows 3.x from any directory. Then start Windows 3.11 by typing

WIN311.

If you are still having problems (e.g Windows 3.x hangs at the splash

screen, then enter the line

DOS=NOAUTO

to your CONFIG.SYS. This prevents DOS 7.10 from loading FILES, BUFFERS

etc. to upper memory. Maybe Windows 3.x is sometimes confused about this.

IMPORTANT NOTE: DOS=NOAUTO also prevents automatic loading of HIMEM.SYS,

IFSHLP.SYS and SETVER.EXE during boot process. You have to manually enter

these drivers into CONFIG.SYS using the DEVICE / DEVICEHIGH command since

they are urgently NEEDED to start the Windows 95/98 GUI.

However, I strongly recommend using an startup menu in CONFIG.SYS like

the following (please note that the country specific settings are for

germany and that this is a SAMPLE configuration). A line beginning with

REM indicates an comment and can be removed :

ﾄﾄᦍ 121k1023b 2;ﾄCONFIG.SYSﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄ

[MENU]

MENUITEM=WIN95,Windows 95

MENUITEM=DOS,DOS Mode for Windows 3.11

MENUDEFAULT=WIN95,10

[COMMON]

COUNTRY=049,850,C:\WINDOWS\COMMAND\COUNTRY.SYS

DEVICE=C:\WINDOWS\HIMEM.SYS /TESTMEM:OFF

[WIN95]

DOS=HIGH,UMB

REM No DOS drivers in Windows 95/98 please !

REM HIMEM.SYS, IFSHLP.SYS and SETVER.EXE are loaded automatically

REM since DOS=NOAUTO is not present in this section.

[DOS]

DOS=HIGH,UMB,NOAUTO

BUFFERS=10

FILES=40

DEVICE=C:\WINDOWS\EMM386.EXE NOEMS

REM See notes on IFSHLP.SYS in [Usage] section of this document

DEVICEHIGH=C:\WIN311\IFSHLP.SYS

DEVICEHIGH=C:\WINDOWS\SETVER.EXE

REM Additional DOS drivers here (CD-ROM ...)

This gives you the choice between 'Windows 95' and 'DOS Mode for Windows

3.11' at startup, where Windows 95 is started automatically after 10

seconds (MENUDEFAULT). You can proceed using your selection in

AUTOEXEC.BAT by the environment variable CONFIG, which is now set to

either 'WIN95' or 'DOS':

ﾄﾄᦍ 121k1023b 2;ﾄAUTOEXEC.BATﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;ﾄﾄᦍ 121k1023b 2;

@ECHO OFF

REM Common settings here

SET TEMP=C:\TEMP

SET BLASTER=A220 I5 D1 T4

PATH %PATH%;C:\BAT;D:\TP;D:\TP\UTILS;D:\F-PROT

LH C:\WINDOWS\COMMAND\KEYB.COM GR,,C:\WINDOWS\COMMAND\KEYBRD2.SYS

LH C:\WINDOWS\COMMAND\DOSKEY.COM

GOTO %CONFIG%

:DOS

REM DOS drivers here (SMARTDRV, MSCDEX)

REM GOTO OUT must be the last statement in this section

GOTO OUT

:WIN95

C:\WINDOWS\WIN.COM

:OUT

Finally, to get this working, you have to enter 'BootGUI=0' (whithout the

quotes) to the [Options]-Section in C:\MSDOS.SYS. Otherwise Windows 95/98

would be started althoug 'DOS Mode' has been selected. (DOS 7.x simply

executes the command 'WIN' after finishing AUTOEXEC.BAT when BootGUI=1).

You may also disable the splash screen here by 'Logo=0' (whithout

quotes). Since MSDOS.SYS is normally hidden, the easiest way to edit this

file is to use the following commands in a DOS window or in DOS mode:

attrib c:\msdos.sys -h -r -s

edit c:\msdos.sys

attrib c:\msdos.sys +h +r +s

For your convience, I included the file MSDOSSYS.INF. Just right-click it

in Explorer and choose 'Install', it will modify MSDOS.SYS for you as

described. You can undo these changes in Control Panel - Software -

Install / Uninstall.

As you see, this all can result in really hard work !

Disclaimer

YOU ARE USING WIN3XSTART AT YOUR OWN RISK! THE AUTHOR (RALF BUSCHMANN) IS

NOT LIABLE FOR ANY DAMAGE CAUSED BY THE USE OF WIN3XSTART OR BY THE

INABILITY TO USE WIN3XSTART. IF YOU ARE NOT SURE ABOUT THIS, OR IF YOU DO

NOT ACCEPT THIS, THEN DO NOT USE THIS PROGRAM !

Win3xStart is posted as FREEWARE under the following conditions:

1. The copyright notices may not be removed

2. The program may not be sold, only given away WITHOUT any cost

3. The program may not be modified in any way

4. This file (W3XSTART.DOC) should always accompany W3XSTART.EXE

Credits

Thanks to Samuel Leo ([email protected]) who made this all possible,

to J g Weske for his genuine W95Boot and to Lui Hoi Ming for testing on

chinese OSR 2.

Known Problems

1. File system is said to be damaged

Sometimes you may get an error message when exiting Windows 3.x like

"File allocation table bad" for some drive. Don't panic, this isn't true.

As a workaround, make sure that you start Windows 3.x from the root

directory of drive C:, e.g.:

CD\

C:\WIN311\WIN.COM

If you use WIN311.BAT as described above, modify it accordingly.

2. Some programs request loading of SHARE.EXE

Some programs (e.g. Microsoft Word 6.0) diplay the following error

message on startup:

YOU MUST EXIT WINDOWS AND LOAD SHARE.EXE IN ORDER TO RUN ....

Normally there should be no need to do this, since Windows 3.x has its

own virtual device driver, VSHARE.386, for file sharing purposes.

But it seems that there is something in the DOS 7.1 real mode kernel that

prevents this driver from proper function. Unfortunately, SHARE.EXE is

not shipped with Windows 95/98. You may try to use SHARE.EXE of your

old DOS 6.22 for instance (remember you have to modify the DOS version

passed to SHARE.EXE by SETVER SHARE.EXE 6.22), but unfortunately this

will not solve the problem too. This is because SHARE.EXE is not

supported in OSR2/Win98, see

ftp://ftp.microsoft.com/peropsys/win95/kb/Q161/6/19.txt

for more information. Since the 'cheat' mentioned there doesn't work too,

it is currently not possible to run these programs.

Revision History

v1.0 - First Version released.

v1.1 - Fixed runtime error if current disk is write protected

- Attributes of IO.SYS not restored in error case, fixed

- Documentation reworked

v1.2 - Program screen now displays correct version information

- Documentation extended

v1.3 - Included MSDOSSYS.INF, documentation reworked.

v1.4 - Added installation notes for Windows 3.x

v1.5 - Made the program more verbosely, IO.SYS is now checked

for an OSR2 specific string.

v1.51 - Minor changes to documentation.

v1.52 - Fixed Win3xStart not working for chinese OSR 2.

v1.53 - Added note for problem with SHARE.EXE

v1.53 - January 1999: tested and approved that Win3xStart works with

Windows 98, no new release.

Contact

EMail : [email protected]

WWW : https://www.conactive.com/win95/

Feel free to drop me a line if you liked this program !

Ralf Buschmann, January 1999

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