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1994-03-04
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264 lines
NOVELL TECHNICAL INFORMATION DOCUMENT
TITLE: Configuration Optimization for 80286 Machines
DOCUMENT ID: 014910
DOCUMENT REVISION: A
DATE: 15FEB94
ALERT STATUS: Yellow
INFORMATION TYPE: Issue
README FOR: NA
NOVELL PRODUCT and VERSION:
Novell DOS 7
ABSTRACT:
This document explains how to maximize Novell DOS 7.0
configurations for 80286 computers.
------------------------------------------------------------------
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 7.0 has been written to take advantage of the 386
and 486 PC. If the user chooses to run Novell DOS 7.0 on a
286 PC, the following configurations would assist in
achieving the optimum setup. However, the user may find a
significantly less amount of Conventional Memory available
for applications. This is due to the size of Novell DOS 7.0
and the limitations of the 286 PC architecture.
These are some sample configuration files for AT compatible
computers. The following configurations offer basic
guidelines to give the user ideas on what can be done with
Novell DOS 7. Configurations may need to be adjusted
according to the requirements of the computer hardware and
software.
AT Computers 640 KB (ONLY)
CONFIG.SYS
SHELL=C:\COMMAND.COM C:\ /E:256 /P
BREAK=ON
BUFFERS=20
FILES=30
FCBS=4,4
FASTOPEN=256
HISTORY=ON, 256, ON
AUTOEXEC.BAT
@ECHO OFF
:NWDOSBEG
PATH C:\;C:\NWDOS;C:\NWDOS\NWCLIENT;
VERIFY OFF
PROMPT [NWDOS] $P$G
?"Load Personal NetWare (Y/N)?" call STARTNET.BAT
?"Enable DelWatch TSR (Y/N)?" DELWATCH C: /F:200
:NWDOSEND
These files will setup an AT-type computer to use the
following Novell DOS 7.0 features:
The DELWATCH command is a 5 KB TSR loaded that keeps track
of deleted files. The options indicate that the C: drive
will be watched and no more than 200 deletions will be
tracked.
Depending on the configuration, this PC/AT could be used for
other "light-duty" services on networks, and so forth.
Consequently, other drivers can be implemented, which will
result in reducing the amount of memory available for
applications.
PC/AT or 286 Based Computers with 640 KB and LIM 4.0
Expansion Boards
CONFIG.SYS
SHELL=C:\COMMAND.COM C:\ /E:256 /P
BREAK=ON
BUFFERS=20
FILES=30
FCBS=4,4
FASTOPEN=256
HISTORY=ON, 256, ON
DEVICE=REMM.SYS
?"Do not use LIM (y/n)?
"DEVICE=C:\NWDOS\HIMEM.SYS/C=EMSALL?"Use LIM (y/n)?
"DEVICE=C:\NWDOS\HIMEM.SYS/C=EMSUMB
AUTOEXEC.BAT
@ECHO OFF
:NWDOSBEG
PATH C:\;C:\NWDOS;C:\NWDOS\NWCLIENT
VERIFY OFF
PROMPT [NWDOS] $P$G
?"Load Personal NetWare (Y/N)?" call STARTNET.BAT
?"Enable DelWatch TSR (Y/N)?" DELWATCH C: /F:200
:NWDOSEND
The LIM 4.0 Expansion Board will come with a device driver
that enables it to work and function with DOS applications.
The device driver that the memory expansion board comes with
could be named REMM.SYS. Please read your memory
expansion-board's documentation for the location and name of
the driver that enables that memory. If the board's driver
is named differently, replace the REMM.SYS file in the
configuration file with the driver named for your LIM board.
The other switches, /CHIPSET=EMSALL or EMSUMB, allow all the
Upper Memory to be used for the operating system's purpose
or allow an EMS (LIM) page frame as well as an extra portion
of upper memory for the operating system's use.
As stated earlier, the EMS memory manager and the LIM
hardware must meet the LIM 4.0 specification to work
properly.
PC/AT or 286 Based Computers with 1 MB and LIM 4.0 Expansion
Boards
CONFIG.SYS
SHELL=C:\COMMAND.COM C:\ /E:256 /P
BREAK=ON
BUFFERS=20
FILES=30
FCBS=4,4
FASTOPEN=256
HISTORY=ON, 256, ON
DEVICE=REMM.SYS
?"Do not use LIM (y/n)? "DEVICE=C:\NWDOS\HIMEM.SYS
/C=EMSALL
?"Use LIM (y/n)? "DEVICE=C:\NWDOS\HIMEM.SYS
/C=EMSUMBDOS=HIGH
AUTOEXEC.BAT
@ECHO OFF
:NWDOSBEG
PATH C:\;C:\NWDOS;C:\NWDOS\NWCLIENT
VERIFY OFF
PROMPT [NWDOS] $P$G
?"Load Personal NetWare (Y/N)?" call STARTNET.BAT
?"Enable DelWatch TSR (Y/N)?" DELWATCH C: /F:200
:NWDOSEND
This basic setup is similar to an AT machine with 640 KB
except for the DOS=HIGH. An AT machine with 1 MB RAM will
have 384 KB of extended memory. This 384 KB will be
addressed beginning at FFFF not A000 (640 decimal), as you
might assume. Because the beginning address is FFFF,
DOS=HIGH can make use of the High Memory Area (HMA) to
relocate the Novell DOS kernel and data structures. This
has the added benefit of permitting the more efficient use
of Upper Memory for TSRs. Briefly, up to 192 KB of memory
can be used outside conventional memory.
286-Based Computer with Special Chipsets and Extended Memory
CONFIG.SYS
SHELL=C:\COMMAND.COM C:\ /E:256 /P
BREAK=ON
BUFFERS=20
FILES=30
FCBS=4,4
FASTOPEN=256
HISTORY=ON, 256, ON
DEVICE=REMM.SYS
?"Load Memory Manager (y/n)? "DEVICE=C:\NWDOS\HIMEM.SYS
/C=AUTO
DOS=HIGH
AUTOEXEC.BAT
@ECHO OFF
:NWDOSBEG
PATH C:\;C:\NWDOS;C:\NWDOS\NWCLIENT
VERIFY OFF
PROMPT [NWDOS] $P$G
?"Load Personal NetWare (Y/N)?" call STARTNET.BAT
?"Enable DelWatch TSR (Y/N)?" DELWATCH C: /F:200
:NWDOSEND
These files can be used if your 286/AT machine has been
manufactured with special memory mapping chips that offer
control of certain memory functions. These systems offer
favorable Upper Memory support for Novell DOS's memory
management software to enable and use Upper Memory for TSRs
and device drivers. Shadowing should be enabled in the
computer's CMOS to support the creation of upper memory by
Novell DOS 7. The important line in the example above is
the driver HIMEM.SYS. This allows the operating system to
determine the type of chipset within the 286/AT machine and
enable Upper Memory. The DOS=HIGH will relocate the
operating system into High Memory.
The valid switch options for HIMEM.SYS /CHIPSET= are the
following:
EMSALL These switches are for XT and AT machines with LIM
4.0 hardware and drivers.
or
EMSUMB
NEAT This switch is for 286 machines with Chips and
Technologies NEAT, NEATsx, LeAPSet, or LeAPSetsx
SCAT This switch is for 286 machines with Chips and
Technologies SCAT chipset.
RAM This switch is for permanent Upper Memory. It
must be used with the /USE option on the HIMEM.SYS
driver.
NONE This switch is for instructing the HIMEM.SYS file
not to use Shadow RAM.
AUTO This switch is for the AUTO detection of chipset
installed.
286-Based Computer with Extended Memory Running Windows 3.1
CONFIG.SYS
SHELL=C:\COMMAND.COM C:\ /E:256 /P
BREAK=ON
BUFFERS=30
FILES=40
FCBS=4,4
FASTOPEN=256
HISTORY=ON, 256, ON
?"Load Memory Manager (y/n)? "DEVICE=C:\NWDOS\HIMEM.SYS
DOS=HIGH
AUTOEXEC.BAT
@ECHO OFF
:NWDOSBEG
PATH C:\;C:\NWDOS;C:\NWDOS\NWCLIENT
VERIFY OFF
SET TEMP=c:\temp
MKDIR %TEMP% >NUL
PROMPT [NWDOS] $P$G
?"Load Personal NetWare (Y/N)?" call STARTNET.BAT
?"Enable DelWatch TSR (Y/N)?" DELWATCH C: /F:200
:NWDOSEND
Microsoft Windows 3.1 requires at least 384 KB of available
XMS (Extended Memory Specification) memory. If enough
extended memory is on the computer, adding a cache such as
NWCACHE can improve Windows performance.