Document 1603
Windows 3.1
04/09/91

                        Novell Desktop Systems Group
                         Digital Research DRDOS 6.0
                                
                           Microsoft Windows 3.1

The following is an excerpt from the DR DOS 6 Update Release Notes:

DR DOS 6.0 is fully compatible with Microsoft Windows 3.1.

The Windows 3.1 default drive for temporary swap files is the drive on
which Windows was installed. If Windows is installed on a SuperStor
drive it is recommended that users change the default drive for swap
files to an uncompressed drive. This should be done for both temporary
and permanent swap files. Use the 386 Enhanced option from Control Panel
to change swap files.
	
If Super PC-Kwik is already loaded when you install Windows 3.1, you are
informed by the Windows SETUP program that SUPERPCK.EXE is running and
you are warned that your system may fail; ignore this message and
continue with the Windows installation procedure.

Windows 3.1 makes changes to autoexec.bat and config.sys on installation.
It is recommended that you make a backup of these files.
	
By default, Windows installs the SMARTDrive disk cache program and the
HIMEM.SYS memory manager. However, the DR DOS 6.0 disk cache, Super
PC-Kwik, and the DR DOS 6.0 MemoryMAX drivers provide superior
functionality over the Windows 3.1 SMARTDrive disk cache and HIMEM.SYS.
To use Super PC-Kwik and the DR DOS MemoryMAX drivers, instead of
SMARTDrive and HIMEM.SYS, you simply remove one line from your autoexec.bat
and config.sys files. Edit autoexec.bat to remove the line
	
	C:\WINDOWS\SMARTDRV.EXE
	
and edit config.sys to remove the line
	
	DEVICE=C:\WINDOWS\HIMEM.SYS

The above lines should be removed after Windows 3.1 has been installed but
prior to rebooting.

If you are using the DR DOS 6.0 EMM386.SYS MemoryMAX driver, Windows may
also replace the EMM386.SYS line in your config.sys file with the Windows
EMM386.EXE line. As a result of this change, your system may generate an
error message when rebooting. The EMM386 line should be changed back to its
original form after installing Windows 3.1 for your system to boot
properly. Refer to the backup of your config.sys to be sure that you have
the correct syntax.

The Windows 3.1 installation will also insert a STACKS command into the
CONFIG.SYS. Even though DR DOS does not use a STACKS command the line can
be left in CONFIG.SYS. No error will result.

DR DOS 6.0 is compatible with both the SMARTDrive disk cache and with
HIMEM.SYS. If you want to continue using these drivers, you must run the
DR DOS SETUP program, and remove MemoryMAX and Super PC-Kwik. However, if
you do use SMARTDrive instead of Super PC-Kwik, do not use the SMARTDrive
+ (plus) option to enable caching on a SuperStor compressed drive.
Unexpected errors may result when this option is used.

EMM386.SYS supports upper memory for Windows 3.1 running in Standard or
Enhanced mode. You no longer need to use the /WINSTD option on the
EMM386.SYS command line to run Windows 3.1 in Standard mode.  (Note: As a
result, if you use SETUP to configure MemoryMAX, EMM386.SYS, to run Windows
3.1, you should respond "No" to the question "Support Windows Standard Mode"
when prompted.)

NOTE: Machines that have LPT1 ports and are using NE2000 network cards
configured for I/O address 360 have occasionally hung or had trouble running
DOS applications under Windows 3.1. If this is encountered, try setting the
NE2000 for a lower I/O address.

The Windows 3.1 upgrade should only be installed over a 12/6/91 DR DOS
6.0. A full Business Update is being prepared and will be sent to all
registered users.
