

              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.

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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.
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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.
