AOH :: PCB&DV.TXT
Running up to 4 nodes of PC-Bored under DesqView
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Setting Up DESQView and PCBoard V14.5a
Setting Up DESQView and PCBoard V14.5a
Advantages:
Advantages:
* Only one computer
* Only one monitor
* Only one hard drive
* Up to 4 nodes are a keyboard away
Disadvantages:
Disadvantages:
* System is harder to tune; lockups may occur
* A system which uses more than 2 COM ports may have
problems finding third party software which will
support 'non-standard' COM ports.
CONTENTS
CONTENTS
________
Topic Page
Topic Page
________________________________________________________
Getting Started . . . . . . . . . . . . . . . . . . . 1
Modifying CONFIG.SYS . . . . . . . . . . . . . . . . 3
Modifying AUTOEXEC.BAT . . . . . . . . . . . . . . . 4
Installing Additional Nodes . . . . . . . . . . . . . 5
Setting Up PCBoard . . . . . . . . . . . . . . . . . 6
Optimizing DESQview . . . . . . . . . . . . . . . . . 8
Example DOOR Batch Files and Environment Variables . 11
Third Party Software Setup . . . . . . . . . . . . . 13
Hooking Up a Multitasking Machine to a Network . . . 14
Answers to Common Questions . . . . . . . . . . . . . 14
Conclusion . . . . . . . . . . . . . . . . . . . . . 16
GETTING STARTED
GETTING STARTED
_______________
Ok, you have a PCBoard /E3 or higher node version and now you want
to know how you can run/install up to 4 nodes on a single machine.
This type of setup can be complicated at first, but after reading
this explanation the majority of your questions about setting up a
multinode system under DESQview should be answered.
How to Run Up to Four Nodes With PCBoard and DESQview Page: 1
How to Run Up to Four Nodes With PCBoard and DESQview Page: 1
First you will need to obtain the necessary hardware and software
found in the list below:
Recommended Hardware:
Recommended Hardware:
* 80386/486 based computer with 2 megabytes plus 512k of RAM
for each node.
* AT I/O card using NS16550AFN UARTs. If you plan to run
more than two nodes you may wish to look into an I/O card
or a special 3 or 4 port card that allows configurable
IRQ settings (preferably one that uses IRQs above 10).
* Floppy drive (5 1/4" or 3 1/2")
* Hard drive
* Monitor and video card
NOTE: It is not recommended that you use an 8088 or
80286 processor when attempting to run more than two
nodes on a single machine.
Necessary Software:
Necessary Software:
* MS-DOS (V3.3 or higher) * DESQview 386
* PCBoard V14.5a * Disk caching software
NOTE: If the amount of memory you will have available is
a concern you may wish to look into using the VROOM
overlay version of PCBoard which uses less memory. The
overlay version uses less memory by storing part of the
program on disk.
If you only plan on running two multi-tasking nodes using modems on
COM1 and COM2 then your modem setup will be REAL easy because you
will not need to worry about any IRQ conflicts. However, if you
plan on running more than 2 nodes, you might run into some IRQ
conflicts.
One of the most important things you will need to do next is
resolve any and all IRQ conflicts. IRQs are vital to
communications. They are interrupt requests and are used by
various components of a computer system to get the CPU's attention.
It is essential that each node has a unique COM port and each COM
port will need a unique base address and IRQ to operate correctly.
On most high quality I/O boards you can select from a wide range of
base addresses and IRQs. Below you will see a sample setup for 4
COM ports:
Base
COM Address IRQ
__________________
1 03F8 4
2 02F8 3 Note: If you have an autoswitch EGA/VGA
3 03E8 5 card, didable the autoswitch IRQ on the
4 02E8 2 card if you use IRQ2 on a COM port.
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How to Run Up to Four Nodes With PCBoard and DESQview Page: 2
NOTE: Finding an I/O card which uses a wide range of IRQs may be
hard to locate but you will enjoy the increased flexibility when it
comes to setting up a multitasking system. Another thing to look
for in a good I/O card is one that comes with NS16550AFN UARTs
built in, or has sockets so you can replace the existing UARTs.
Once you get the COM ports setup and installed you will next want
to modify your CONFIG.SYS and AUTOEXEC.BAT to work correctly in the
multitasking environment. Before modifying these files, install
but do not alter the configuration of DESQView and QEMM.
MODIFYING CONFIG.SYS
MODIFYING CONFIG.SYS
____________________
At this point, you should make sure you have the following items in
your CONFIG.SYS:
DEVICE=QEMM.SYS [optional parameters]
FILES=nn
STACKS=0,0
Optional:
Optional:
FCBS=n,n
DEVICE=QEMM.SYS: This is the line which installs QEMM and will be
DEVICE=QEMM.SYS:
placed in your CONFIG.SYS automatically by QEMM's installation
procedure. You may see additional parameters after QEMM.SYS which
were automatically placed there by the installation program.
Unless you have a good reason to change them, leave them as is.
One addition which you will want to make to the optional parameters
passed to QEMM is NW3. NW3 will tell QEMM that Windows 3.x will
not be running on this machine and frees up an extra 4k of memory.
FILES=nn: On this line you need to replace 'nn' with 20 multiplied
FILES=nn:
by the number of nodes you are planning to run. For example if you
are planning on running 3 nodes you would set this value to 60
(20 3).
STACKS=0,0: This is necessary when running multitasking software.
STACKS=0,0:
By doing this you will also free up additional memory.
FCBS=n,n: FCBs were only used in older DOS programs so if you are
FCBS=n,n:
not running old programs such as Sidekick V1.0 then you may be able
to omit this line. The first parameter is the number of FCBs you
want, and the second number is the number to lock.
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How to Run Up to Four Nodes With PCBoard and DESQview Page: 3
MODIFYING AUTOEXEC.BAT
MODIFYING AUTOEXEC.BAT
______________________
[1] - The path to locate your PCBoard V14.5 executable and
utilities must be in your PATH= statement. (Example: PATH=C:\PCB)
[2] - Make sure that SHARE.EXE is being loaded inside your
AUTOEXEC.BAT. Reports have indicated that loading SHARE in high
memory can impede system performance and cause errors. It is
therefore suggested that SHARE.EXE be run in conventional memory if
at all possible.
[3] - Add the following line as the last two lines in AUTOEXEC.BAT:
CD\DV
DV
This will load DESQview on every bootup and is required if you wish
to recover from disasters such as power failures. For information
on how to load up all of your PCBoard nodes upon starting up
DESQview, please see "Starting Up PCBoard Nodes Using a DESQview
Script" on page 10.
Now that you have modified AUTOEXEC.BAT and CONFIG.SYS you are
ready to install additional PCBoard nodes.
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How to Run Up to Four Nodes With PCBoard and DESQview Page: 4
INSTALLING ADDITIONAL NODES
INSTALLING ADDITIONAL NODES
___________________________
NOTE: If you have not already set up your first node of PCBoard,
use INSTALL to set up your first node. Next, get all of you files
created and make sure the first node is running properly. It will
make a multiple node setup MUCH easier.
Creating the NODE directories
Creating the NODE directories
You need to create a SEPARATE subdirectory for each PCBoard node
you plan to run.
For node 1 create a directory off of your C:\PCB directory and call
it NODE1. To do this, just change to the C:\PCB directory and type
"MD NODE1" (do not include the quotes). Do this for each node you
want to add (up to NODE4). From here on, these directories will be
referred to as NODE directories.
Now you should have a directory structure that looks like this:
C:\
|
|-> PCB
|
|-> NODE1
|-> NODE2
|-> NODE3 (if you are going to run 3 nodes)
|-> NODE4 (if you are going to run 4 nodes)
Now, copy the following files to each NODEn directory:
BOARD.BAT
EVENT.SYS
PCBERR.OLD
PCBOARD.DAT
REMOTE.SYS
PCBVIEW.BAT
PCBR?.BAT (All external protocol receive BAT files)
PCBS?.BAT (All external protocol send BAT files)
For example: "COPY C:\PCB\BOARD.BAT C:\PCB\NODE1". Do so for each
file and each node.
Once you have copied the above list of files to each of the NODE
directories, delete the files listed above from the C:\PCB
directory. This will prevent PCBoard from accidently running from
the wrong directory.
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How to Run Up to Four Nodes With PCBoard and DESQview Page: 5
SETTING UP PCBOARD
SETTING UP PCBOARD
__________________
PCBSETUP.EXE
PCBSETUP.EXE
(For this example, we will assume that PCBoard is installed in
C:\PCB.)
There are a few setup items which you may wish to change if you are
running under a multi-tasking environment:
1. After installing PCBoard, go into "NODE / EVENT /
SUBSCRIPTION" in PCBSetup and modify the following options:
Answer YES to "Running under a Network"
Put a "1" in "Node Number" (Change this value for
each node)
2. Whenever possible, specify a path to a file. This is
inclusive of batch files and your setup of PCBoard in general.
This can enhance the speed of your system, especially if you are
running EXE files from the PATH.
3. In "File Locations 2" make sure PCBPROT.DAT contains the path
to locate the file. For example: C:\PCB\PCBPROT.DAT. Since
you are pointing to one file you will find adding, changing, or
deleting protocols a lot easier.
4. Also in "File Locations 2" make sure that there is a path is
specified for PCBFILER.DEF. For example: C:\PCB\PCBFILER.DEF.
This way, your file directories will be colorized "on-the-fly"
with the colors you defined in PCBFiler.
NOTE: Since you are only going to running PCBoard from one
machine, most of your configuration files will not need to be
changed from your single node setup.
How to Run Up to Four Nodes With PCBoard and DESQview Page: 6
How to Run Up to Four Nodes With PCBoard and DESQview Page: 6
BOARD.BAT
BOARD.BAT
The default BOARD.BAT looks like this:
@echo off
set DSZLOG=C:\PCB\PCBDSZ.LOG
if exist REMOTE.BAT rename REMOTE.BAT REMOTE.SYS
if exist EVENT.BAT rename EVENT.BAT EVENT.SYS
if exist DOOR.BAT del DOOR.BAT
if exist ENDPCB del ENDPCB
PCB145
if exist REMOTE.BAT REMOTE
if exist DOOR.BAT DOOR
if exist EVENT.BAT EVENT
if exist ENDPCB goto end
:end
exit
You will need to modify each node's BOARD.BAT file so that the
batch file changes to the directory where the node resides. For
example node 1's new batch file would look like this:
@echo off
C:
C:
cd\PCB\NODE1 (Change to each nodes respective directory)
cd\PCB\NODE1
C:\DV\DVANSI (Loads ANSI driver for third party programs)
C:\DV\DVANSI
set DSZLOG=C:\PCB\NODE1\PCBDSZ.LOG (Change this for each node)
set DSZLOG=C:\PCB\NODE1\PCBDSZ.LOG
if exist REMOTE.BAT rename REMOTE.BAT REMOTE.SYS
if exist EVENT.BAT rename EVENT.BAT EVENT.SYS
if exist DOOR.BAT del DOOR.BAT
if exist ENDPCB del ENDPCB
PCB145
if exist REMOTE.BAT REMOTE
if exist DOOR.BAT DOOR
if exist EVENT.BAT EVENT
if exist ENDPCB goto end
:end
exit
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How to Run Up to Four Nodes With PCBoard and DESQview Page: 7
OPTIMIZING DESQVIEW
OPTIMIZING DESQVIEW
___________________
Next you will need to alter DESQview's setup slightly. Go into you
DESQview directory and run SETUP.
Next, select "Performance".
Your screen should look something like this:
1 Advanced Setup: Performance
Task Processing Time (in Clock Ticks)
Foreground: 2
Background: 2
Memory Usage (in K)
Common Memory: 17
DOS Buffer for EMS: 16
Optimize communications? (Y/N): N
Allow swapping of programs? (Y/N): Y
Manage printer contention? (Y/N): N
Next field Tab
Backup menu Esc
DONE <
Foreground and Background Processing Time: It is very important
that you set the foreground and background ticks to an equal value.
Otherwise, your system will likely suffer a performance degradation
which callers may perceive as an intermittent, jerking display.
The exact value for these two values varies, depending on how many
nodes you are running and the processing speed of your computer.
Avoid setting these values to 1:1, which may result in sluggish
system performance. You can experiment with this value to see
which works best on your machine, though 2:2 or 3:3 usually seems
to be a good choice.
Two of the most important settings you will change are "Optimize
Communications" and "Manage printer contention". Set both of these
to N to help avoid possible system lockups.
N
Node PIF configurations
Node PIF configurations
Now you must define PIF files for each node. To do this, select
"Open Window" from the DESQview manu menu. Then select "Add
Program" and "Other (Add program not found in list)". You will
then be asked to specify a path to the program. Supply a node
directory for each program you add. For example, enter
How to Run Up to Four Nodes With PCBoard and DESQview Page: 8
How to Run Up to Four Nodes With PCBoard and DESQview Page: 8
C:\PCB\NODE1, C:\PCB\NODE2, etc. Next, you are presented with the
standard PIF editing screen.
Add a Program Screen:
Add a Program Screen:
Now you need to set up PIF files for each node. You can specify
anything you choose in the "Program Name" and "Keys to Open"
fields. The recommended values for the remaining fields follow:
Memory Size: 450K
450K
Program: C:\PCB\NODE1\BOARD.BAT (Change value for each node)
Directory: C:\PCB\NODE1 (Change this value for each node)
C:\PCB\NODE1
Writes directly to screen: N
N
Displays graphics info: N
N
Virtualize text: T
T
Uses serial ports: N
N
Requires floppy disk: N
N
When you are finished editing that screen, select F1 for advanced
options. You will be presented with another screen.
Change the values in the "Change a Program - Advanced Options" to
resemble the following:
System Memory (in K): 0
0
Maximum Program Memory Size (in K): BLANK
Script Buffer: 0
0
Max EMS Memory: BLANK
Close on Exit: N
N
Uses own colors: Y
Y
Allow Close: N
N
Runs in background: Y
Y
Uses Math Coprocessor: N
N
Keyboard Conflict: 0
0
Share CPU foreground: Y
Y
Share EGA foreground: N
N
Can be swapped: N
N
Protection Level: 0
0
System Memory: This should remain 0 unless you are running a
program written expressly for DESQview.
Script Buffer: You will not be using scripts inside of PCBoard so
set this to 0.
0
Close on Exit: Set this to N. The last line of the new BOARD.BAT
(exit) will take care of closing the window.
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How to Run Up to Four Nodes With PCBoard and DESQview Page: 9
Uses own colors: Unless you have no objections to DESQview's odd
color assignment set this to Y so you can see PCBoard in all its
glory.
Allow Close: By setting this to N you do not allow a 'Close
Window' command to be executed from the DESQview menu. Remember,
it is always best to properly exit a program whenever possible.
Runs in background: Set this to Y on all dial-in nodes and set this
to N on any local maintenance nodes you may have. By setting any
local nodes to not be active in the background you can save
precious processor time should you accidently leave your
maintenance node running in the background.
Uses Math Coprocessor: This field should be set to N. You will
save precious memory and may even slightly improve performance.
Can be swapped: This should be set to N on any communications
program you run. If you set this field to Y you will cause a hard
system lock.
Starting Up PCBoard Nodes Using a DESQview Script
Starting Up PCBoard Nodes Using a DESQview Script
In order to have all of your nodes load up every time you start
DESQview you will need to use a script. The following key sequence
will create a script for starting up to 4 nodes on one machine.
Initiate DESQview's script learning mode by hitting SHIFT-DESQview
(usually ALT).
Select "Start Script", and when prompted for a key to define, hold
down ALT while pressing 255 on the numeric keypad. By assigning it
to an obscure key you lower the chances of accidently activating
the script.
Now you must give your script a name. Make sure it starts with an
! (exclamation point) or it will not be executed when you start up
DESQview. Now just open up all of your nodes manually. When you
are finished, hit ALT-Shift to tell DESQview to "Finish script".
Upon doing this, the windows will close; you will need to reopen
the script learning window, select "Save scripts", and then save
the script you created. It is recommended that you save this
script under the name DESQVIEW.DVS.
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How to Run Up to Four Nodes With PCBoard and DESQview Page: 10
EXAMPLE DOOR BATCH FILES AND ENVIRONMENT VARIABLES
EXAMPLE DOOR BATCH FILES AND ENVIRONMENT VARIABLES
__________________________________________________
Setting up DOOR programs in a multitasking environment may prove
tricky at first, but with a little help your batch files will be
easy to create.
You can set up your doors to each have their own individual
DOORS.LST and have each node call a separate batch file. However,
you will assuredly find maintenance a time-laboring chore.
Instead, we recommend that you create one batch file using
___
environment variables.
First of all, it is suggested that you do not have a copy of the
___
door for each node. Instead you should only have one copy of the
door for the multitasking machine. Therefore, we have to
compensate for a situation where two nodes try to run the same door
at the same time. Below you will find various generic examples.
NOTE: Since there are so many DOOR programs available
specific configurations for specific DOOR programs will
not be covered. Instead generic examples will be given
for the most popular types of configuration.
Doors that allow configuration files on the command line:
Doors that allow configuration files on the command line:
ECHO OFF
cd\DOORS\GAME
GAME GAME%PCBNODE%.CNF
%PCBDRIVE%
cd %PCBDIR%
BOARD
This example will replace PCBNODE with the value PCBoard V14.5a
sets it to in your environment.
ECHO OFF: Turns echo off so command lines are not echoed to
the screen
CD\DOORS\GAME: Changes to the directory which contains the DOOR
GAME GAME%PCBNODE%.CNF: Executes the DOOR using configuration file
GAMEn.CNF (n is replaced by the value of the
PCBNODE environment variable).
%PCBDRIVE%: Changes to the drive where you run PCBoard node
from. (For example: C: ).
CD %PCBDIR%: This changes to the directory where you run the
PCBoard node from. (For example: \PCB\NODE3).
How to Run Up to Four Nodes With PCBoard and DESQview Page: 11
How to Run Up to Four Nodes With PCBoard and DESQview Page: 11
If you have PCBoard set to swap you should not rely on the
environment variables being in place. Therefore, you should place
the following statements beginning at the second line of each
node's BOARD.BAT file. For example, node 1's
C:\PCB\NODE1\BOARD.BAT file would have these line added:
set PCBDRIVE=C:
set PCBDIR=\PCB\NODE1
set PCBNODE=1
As an additional example, on node 2 you would add the following
lines to the C:\PCB\NODE2\BOARD.BAT.
set PCBDRIVE=C:
set PCBDIR=\PCB\NODE2
set PCBNODE=2
Make these modifications to each node's batch file.
By setting the environment variables within each node's BOARD.BAT
file, you eliminate the difficulty of managing 4 separate batch
files which all run the same DOOR.
It is absolutely critical that you do not rely on 14.5a's new
environment variables being in the environment space if you have
set PCBOARD to swap on shells to DOS.
DOORs Which Do Not Accept Configuration Files on the Command Line:
DOORs Which Do Not Accept Configuration Files on the Command Line:
Unfortunately, in a situation such as this you will need to create
separate copies of the DOOR for each NODE or scrap the DOOR and
replace it with one that will work in a multitasking environment.
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How to Run Up to Four Nodes With PCBoard and DESQview Page: 12
THIRD PARTY SOFTWARE SETUP RECOMMENDATIONS
THIRD PARTY SOFTWARE SETUP RECOMMENDATIONS
__________________________________________
DSZ (ZModem transfer protocol)
DSZ (ZModem transfer protocol)
Your PCBRZ & PCBSZ batch files should resemble the following
examples:
PCBRZ.BAT
echo off
if exist PCBERR.FIL del PCBERR.FIL
if exist PCBDSZ.LOG del PCBDSZ.LOG
DSZ port %1 F pY129 handshake both estimate 0 %5 pB4096 pd0 z
pr1 rz -p %3
PCBSZ.BAT
echo off
if exist PCBERR.FIL del PCBERR.FIL
if exist PCBDSZ.LOG del PCBDSZ.LOG
DSZ port %1 F pY129 handshake both pB4096 estimate 0 %5 z sz
%3
The F and pY129 parameters are new to the 'normal' DSZ command
line. These parameters will help improve performance and will
cause DSZ to use less CPU cycles during DSZ transfers which will
speed up the other PCBoard nodes.
NOTE: All DSZ commands are case sensitive and should
NOTE: All DSZ commands are case sensitive and should
be entered just as you find them in this example.
be entered just as you find them in this example.
NOTE: These commands should only be used in
NOTE: These commands should only be used in
conjunction with a NS16550AFN UART.
conjunction with a NS16550AFN UART.
NOTE: If you are using a non-standard COM3 and/or COM4
NOTE: If you are using a non-standard COM3 and/or COM4
delete PORT %1 from both batch files and use the
delete PORT %1 from both batch files and use the
"portx" parameter instead. As an example, if you were
"portx" parameter instead. As an example, if you were
using a base address of 3e8 and IRQ 5 on COM3 instead
using a base address of 3e8 and IRQ 5 on COM3 instead
of port %1 you would replace this with "portx 3e8,5".
of port %1 you would replace this with "portx 3e8,5".
Please note that you need to make sure that you only
Please note that you need to make sure that you only
use this specific batch file with the node that is
use this specific batch file with the node that is
using this non-standard COM port or you will have
using this non-standard COM port or you will have
problems getting DSZ to run properly.
problems getting DSZ to run properly.
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How to Run Up to Four Nodes With PCBoard and DESQview Page: 13
HOOKING UP A MULTITASKING MACHINE ON A NETWORK
HOOKING UP A MULTITASKING MACHINE ON A NETWORK
______________________________________________
Items to keep in mind when hooking a multitasking machine onto an
existing network:
* Check your file location and conference setup.
Change the path for those files you wish to share with
the network; for instance, the user file.
* Set "run_burst=1" in your call to your AILANBIOS
_____________
line. This will give more processing time back to the
CPU and will help speed up your task switching. This
parameter only works with Lantastic. If you are using
a different network, consult your manual.
* Increase your tasks in QEMM. To do this add
"tasks=nn" (where nn is the number of tasks to
allocate) to your QEMM.SYS line in CONFIG.SYS. Set
this value to 16 times the number of nodes you plan to
run.
* If you want to slightly increase network speed and if
you have some conventional memory to spare, load REDIR
in low memory.
ANSWERS TO COMMON QUESTIONS
ANSWERS TO COMMON QUESTIONS
___________________________
When I make a change to one of the conferences (including the Main
When I make a change to one of the conferences (including the Main
Board) the change shows up on all of the nodes. Why?
Board) the change shows up on all of the nodes. Why?
This is because all of your nodes point to the same CNAMES file
(located in PCBSetup, File Locations #1). The CNAMES file contains
all conference information and since you are using one CNAMES file
you see the changes reflected on all nodes.
The obvious solution would be to specify different CNAMES files on
each node. This is not recommended though because any time you
made a change to any conference you would have to make that same
change on each node. Instead use relative addressing.
Relative addressing depends on where you are. For example relative
addressing looks like this:
DOORS.LST
Absolute addressing, on the other hand, looks like this:
C:\PCB\GEN\DOORS.LST
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How to Run Up to Four Nodes With PCBoard and DESQview Page: 14
Notice that the relative addressing example is missing the drive
letter and the complete path from the root. Relative addressing
then depends on the current directory to find the DOORS.LST file
within it.
Why is it that whenever I open up a node's window it loads the
Why is it that whenever I open up a node's window it loads the
wrong node and sometimes gives a modem reset error?
wrong node and sometimes gives a modem reset error?
This is most commonly caused by changing to the wrong node
directory in your BOARD.BAT. Make sure you change to the correct
node directory before you execute PCBoard so that the correct
PCBOARD.DAT (setup) file is read.
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How to Run Up to Four Nodes With PCBoard and DESQview Page: 15
CONCLUSION
CONCLUSION
__________
There are countless ways to set up a multitasking system
(especially when placing it on a network). This article covers
just a few.
As you can see, setting up a multitasking system can be
complicated, but the cost advantages for running this type of
system can be an advantage for some. However, if you plan on
expanding to a system with more than 4 nodes, you should consider
what a true Local Area Network has to offer.
DISCLAIMER
DISCLAIMER
__________
The information provided in this document is provided 'as-is'
without any warranty of any type or guarantee of fitness of use.
The configurations detailed in this document have been used by some
systems however results may vary from system to system and you
assume full responsibility for trying any of the above suggestions
on your system. It is suggested that before you attempt any of the
suggestions listed that you completely back-up your system.
PCBoard is a registered trademark of Clark Development Company.
QEMM and DESQview are trademarks of Quarterdeck Office Systems.
Lantastic is a trademark of Artisoft.
How to Run Up to Four Nodes With PCBoard and DESQview Page:16
How to Run Up to Four Nodes With PCBoard and DESQview Page:16
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