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1994-03-04
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NOVELL TECHNICAL INFORMATION DOCUMENT
TITLE: OS/2 Installation with Novell DOS 7
DOCUMENT ID: 014916
DOCUMENT REVISION: A
DATE: 15FEB94
ALERT STATUS: Yellow
INFORMATION TYPE: Issue
README FOR: NA
NOVELL PRODUCT and VERSION:
Novell DOS 7
ABSTRACT:
This document will supplement the information found in the OS/2
Installation Guide. A full understanding of the OS/2
Installation Guide is necessary to properly install OS/2 with
Novell DOS 7.
------------------------------------------------------------------
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
Planning Ahead
Determine which operating systems are to be used on the
system and plan accordingly.
Dual Boot (OS/2 and Novell DOS 7)
Dual Boot is the most practical method of installation for
OS/2 with Novell DOS 7 users. Before installation, take
care to observe the noted precautions. Make sure that there
is at least 40 MB available as the primary partition. OS/2
2.0 can take as much as 34 MB of disk space; OS/2 2.1 can
take 39 MB; and Novell DOS 7 can use 8.5 MB of space.
Do not compress the primary drive. Although Stacker makes a
version for both OS/2 and Novell DOS, it is difficult to get
both operating systems to recognize the partition and is not
recommended.
Do not Enable Security. OS/2 will not recognize the
existence of a hard disk if Novell DOS 7 Security is
enabled, and it will fail to install.
The following is explained in the OS/2 Installation Guide:
1. Novell DOS 7 must be installed on the disk before
installing OS/2.
2. Copy COMMAND.COM to the NWDOS directory and edit the
CONFIG.SYS file to read:
SHELL=C:\NWDOS\COMMAND.COM C:\NWDOS
OS/2 is now ready to install.
Multi-Boot (OS/2, Novell DOS 7 and a Third Operating System)
Using the Multi-Boot method described in the OS/2
Installation Guide, perform the following steps listed:
1. Prepare the drive with the OS/2 FDISK. You can prepare
the drive using the Novell DOS 7 FDISK; however, this
will only add an additional step as OS/2 will do the
same through the installation.
2. Set up the BootManager Partition and other operating
system's partitions. This should include all
partitions to be installed. The OS/2 partition can be
an Extended or a Primary partition.
Novell DOS requires a Primary DOS C: partition, as does
any version of DOS. If you have more than one physical
drive, you can create two primary partitions (one on
each drive); however, Novell DOS will need to be
installed to the C: drive.
If you elect to create more than one Primary partition
on the first physical drive, only one will be visible
at a time. Novell recommends that OS/2 reside on the
D: drive and Novell DOS on C: drive. This will allow
transfer of data and maximum disk drive usage.
3. Install OS/2. This can be installed to a Primary or an
Extended Partition. During the installation, it is
necessary to reboot the system several times. After
the disks are loaded (printer and screen drivers), it
is not necessary to reboot to install Novell DOS 7. If
you do reboot, skip step 4.
4. Open a DOS box in OS/2.
5. Format the C: drive. Formatting the C: drive from the
DOS box instead of from the OS/2 box is important
because OS/2 does not format the drive correctly for
DOS versions.
6. With the Novell DOS 7 installation diskette in the
drive, go to that drive and type INSTALL.
After completed, INSTALL will want to reboot the
system. This will close the DOS box but not restart
OS/2. If this was the method chosen, it is possible to
start another DOS box and run SETUP so that when Novell
DOS 7 is booted, it is completely configured and ready
to run.
7. Install the third operating system.
8. Boot OS/2 and run FDISK to make a partition
installable.
Discussion of the Boot Procedure under Boot Manager
BootManager works differently than with what most DOS users
are familiar. A good understanding of this will alleviate
many of the problems associated with combining Novell DOS 7
with OS/2 and the BootManager.
When OS/2 is installed and the BootManager option is chosen,
OS/2 will want to run FDISK on the drive to prepare it for
use. The optimum configuration for BootManager, OS/2, and
Novell DOS 7 is a three-partition system on one physical
drive. Other partitions can exist as well as other drives;
however, these three partitions must exist.
The OS/2 FDISK will create the BootManager Partition, the
OS/2 partition and can create the Novell DOS 7 partition.
The Novell DOS 7 partition will need to be a primary
partition.
After creating these partitions, the OS/2 FDISK can make a
partition "Installable." When a partition is made
"Installable," it is the partition that an installing
operating system will recognize the partition as the
Bootable Partition. This partition is not formatted and
must be prepared before installing Novell DOS 7 on to this
partition.
If a drive is not made "Installable," then Novell DOS 7 will
select the first available drive. Normally, this is the
only existing Primary Partition on the drive for DOS. OS/2
cannot install without making the partition "Installable"
first.
Note: Errors may result if installation of Novell DOS 7
is done on any drive other than a Primary DOS C:
drive.
OS/2 will prepare the drive during INSTALL, using High
Performance File System (HPFS) or a File Allocation Table
(FAT) file system. Novell DOS 7 does not automatically
format a drive during install. Because the Novell DOS 7
FDISK will format the drive when creating the partition,
INSTALL will assume the drive is formatted if a partition
exists. Before installing Novell DOS 7, make sure the
partition has been formatted.
If the Novell DOS 7 FDISK utility is used to make the
partition Active, it will need to be used again to make the
BootManager Partition Active. Without doing this, only
Novell DOS 7 will boot and the BootManager will never be
accessed. After the BootManager Partition is set Active,
all future boots will first go through this partition before
booting Novell DOS 7 or OS/2.
If an additional DOS is desired, having more than one
Primary DOS partition is necessary. Only the OS/2 FDISK
utility can create this second Primary DOS partition. This
partition will not be visible when booted under Novell DOS
7, because the Novell DOS 7 partition will not be visible
while booted under the other version of DOS.
It is also possible to install OS/2 to a Primary DOS
partition; however, Novell recommends using an Extended
Partition so that it can still be used when booted under
DOS.
Some operating systems, such as UNIX, do not require a DOS
partition. These operating systems will prepare the
partition during installation; and in most cases, these
partitions are not accessible by Novell DOS 7.
For more information see the Technical Information Document
on OS/2 and Novell DOS 7 Compatibility.