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1994-03-04
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NOVELL TECHNICAL INFORMATION DOCUMENT
TITLE: Windows 3.1 and Novell DOS 7
DOCUMENT ID: 014924
DOCUMENT REVISION: A
DATE: 27FEB94
ALERT STATUS: Yellow
INFORMATION TYPE: Issue
README FOR: NA
NOVELL PRODUCT and VERSION:
Novell DOS 7
ABSTRACT:
This document discusses the installation and operation of
Microsoft Windows 3.1 on a Novell DOS 7 system. This document
contains configuration requirements for Microsoft Windows 3.1.
------------------------------------------------------------------
DISCLAIMER
THE ORIGIN OF THIS INFORMATION MAY BE INTERNAL OR EXTERNAL TO
NOVELL. NOVELL MAKES EVERY EFFORT WITHIN ITS MEANS TO VERIFY
THIS INFORMATION. HOWEVER, THE INFORMATION PROVIDED IN THIS
DOCUMENT IS FOR YOUR INFORMATION ONLY. NOVELL MAKES NO EXPLICIT
OR IMPLIED CLAIMS TO THE VALIDITY OF THIS INFORMATION.
------------------------------------------------------------------
ISSUE
Novell DOS 7 is fully compatible with Microsoft Windows 3.1.
WINDOWS REQUIREMENTS
Microsoft Windows 3.1 is designed to run on 286, 386SX, 386
and 486 computers. It has two modes of operation (Standard
and Enhanced). Windows Standard mode requires that there be
at least 1 MB of total memory and that an XMS memory
manager, such as HIMEM.SYS or EMM386.EXE, be present.
Windows will only run in Enhanced Mode on a 386, 486 or
Pentium CPU, and it requires a minimum of 1 MB of available
XMS memory. The recommended amount of XMS memory for
Enhanced Mode is 3.5 MB. Your mode of operation can be
determined by selecting the HELP menu from the Windows
Program Manager. Select ABOUT PROGRAM MANAGER and a
dialogue box will be displayed indicating the mode you are
currently using.
The /V option for HIMEM.SYS and EMM386.EXE cannot be used
with Windows 3.1. This option takes "unused" video memory
addresses and assigns them to conventional memory. Only
text based applications can run when the /V switch is on.
STACKER
The Windows 3.1 default disk for temporary or permanent swap
files is the disk on which Windows was installed. If
Windows is installed on a Stacker disk, the Virtual Memory
Temporary or Permanent Swap File cannot reside on a Stacker
disk.
CHANGING THE SWAP FILE LOCATION
You must be in Enhanced Mode to change the location of the
swap file. To do so, perform the following steps:
1. Open the Control Panel by double clicking on the icon.
2. Select the 386 Enhanced icon. This displays a dialogue
box with several buttons.
3. Select the button labeled Virtual Memory.
4. The next dialogue box will indicate whether a permanent
swap file is in use and which drive is being used for
the swap file. Select the appropriate options to place
the swap file on the uncompressed drive (not the
uncompressed portion of a compressed drive).
PERMANENT SWAP FILE SIZE
The optimal size of the Windows permanent swap file can
often speed the processing of programs and data within
Windows.
To change the size of the permanent swap file, within
Windows, choose the CONTROL PANEL, 386 Enhanced, Virtual
Memory and Change buttons. It is best to use the change
size recommended by Windows. It is also recommended that
32-bit Access be checked.
SUPERSTOR
If SuperStor is used, make sure the C: drive is not
compressed (for example, drives C: and D: swapped). The use
of SuperStor on a DOS partition, such as the D: or E: drive
is recommended, with compression of the entire partition.
The Windows 3.1 temporary or permanent swap file should be
on a DOS uncompressed drive.
Note: If the uncompressed drive does not have enough
space for the swap file, DO NOT run Windows in
Enhanced mode until enough free space has been
cleared. Standard mode can still be used;
although, it is not recommended. Creating a
backup of the compressed drive and remove the
compressed partition may be necessary to create
enough uncompressed free space for Windows swap
files. Swap files average from 2 to 8 MB but can
be as large as 30 MB.
NWCACHE
The use of NWCACHE (a high-speed memory buffer that keeps
copies of the data read from and written to the hard or
floppy drives) can significantly increase the performance of
Windows 3.1.
NWCACHE should be configured to use upper and extended
memory if possible, and can be loaded from CONFIG.SYS
instead of AUTOEXEC.BAT for added speed. NWCACHE is
configured to use upper and extended memory if it is
available using the /MUX option.
Both of these options can be enabled through Novell DOS 7
SETUP program by performing the following:
1. Enter Novell DOS 7 SETUP (type SETUP at the C:\>
prompt).
2. Select the "Disk Performance" option from the Setup
Menu.
3. Using the arrow keys or mouse pointer, select the
"NWCACHE" option.
4. Select the "Configure NWCACHE" option.
5. Select (with the arrow keys or mouse pointer) the
"Maximum Size [nnnn] Kbytes" option. Change the memory
used, or choose to accept the default memory selected
by Setup.
6. Select "Minimum Size [nnnn] Kbytes" option. Change the
memory used, or choose to accept the default memory
selected by Setup.
7. Using the arrow keys or mouse pointer, check the box
[v] next to the "Allow Memory Lending" option.
8. To save the settings and make the appropriate changes
to the AUTOEXEC.BAT file. Choose "Accept the above and
Continue" option; then choose the "Exit this screen"
option then the "Save changes & Exit" option.
WINDOWS 3.1 INSTALLATION
If NWCACHE is already loaded when you install Windows 3.1,
the Windows SETUP program displays a warning message that
NWCACHE is running and that your system may fail. Ignore
this message and continue with the Windows installation
procedure. This message will also appear whenever the
Windows SETUP program is used to change Windows
configurations.
Make backups of the AUTOEXEC.BAT and CONFIG.SYS files before
installing or choose the Custom Setup option from the
Windows Installation screen. The Windows 3.1 standard
installation makes changes to the these files. When the
installation is complete, return these two files to their
previous state BEFORE rebooting the computer.
CHANGES TO CONFIGURATION FILES
Make sure the AUTOEXEC.BAT file contains the following
lines:
PATH C:\NWDOS;C:\NWCLIENT;C:\WINDOWS;etc...
SHARE /L:10 /F:2048
Make sure the CONFIG.SYS file contains the following line:
STACKS=9,256