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======================================================================
Microsoft(R) Product Support Services Application Note (Text File)
PD0771: REPARTITIONING YOUR HARD DISK TO UPGRADE TO MS-DOS 6.0
======================================================================
Revision Date: 4/93
No Disk Included
The following information applies to Microsoft MS-DOS, version 6.0
Upgrade.
TABLE OF CONTENTS
=================
Do You Need to Repartition?
Preparing to Repartition
Creating a Startup Disk
Backing Up Your Files
Repartitioning Your Hard Disk
Formatting Your Hard Disk
Restoring Your Files
Upgrading to MS-DOS 6.0
Optionally Repartitioning Your Hard Disk
DO YOU NEED TO REPARTITION?
===========================
In most cases, you don't need to repartition your hard disk to install
MS-DOS version 6.0. You need to repartition your hard disk only if:
- The primary DOS partition on your hard disk is too small (less than
2 MB).
- The size of the clusters or sectors on your hard disk is
incompatible with MS-DOS version 6.0.
- There are more than four primary partitions on your hard disk.
- The primary DOS partition is inaccessible.
- A disk-partitioning program that is not compatible with the Setup
program for MS-DOS was used to partition your hard disk.
- Your primary DOS partition is incompatible with the Setup program
for MS-DOS. (This may be the case if you receive an error message
when trying to run Setup.)
If you don't need to repartition your hard disk for any of the
preceding reasons, but you still would like to, see "Optionally
Repartitioning Your Hard Disk" at the end of this document. If you
have determined that you cannot install MS-DOS version 6.0 without
repartitioning your hard disk, use the procedures in the "Preparing to
Repartition" section.
WARNING: Once you repartition your hard disk, you can no longer
use the Uninstall disk to return to your previous version of DOS.
PREPARING TO REPARTITION
========================
Before you partition your hard disk, you need the following:
╖ Enough floppy disks to back up your hard disk. Make sure your
floppy disks are newly formatted.
╖ A single floppy disk on which to install MS-DOS 6.0.
Repartitioning your hard disk involves:
╖ Creating an MS-DOS version 6.0 Startup disk
╖ Backing up your hard disk
╖ Repartitioning your hard disk by using the Fdisk program
╖ Formatting your hard disk
╖ Restoring your backed-up files
╖ Upgrading your system to MS-DOS version 6.0
WARNING: If you are using software such as Disk Manager,
SpeedStor(R), Priam(R), or Everex(TM) to replace the BIOS in
interactions between DOS and the hard disk controller, do not
repartition your hard disk with the MS-DOS Fdisk program. Instead,
use the disk-partitioning program you originally used to partition
your hard disk.
To determine whether you have one of these disk-partitioning
programs on your computer, search for the following files:
DMDRVR.BIN (Disk Manager), SSTOR.SYS (SpeedStor), HARDRIVE.SYS
(Priam), and EVDISK.SYS (Everex). If you need help in
repartitioning your hard disk or are unsure whether the BIOS is
being replaced, contact the manufacturer of your original disk-
partitioning software.
CREATING A STARTUP DISK
-----------------------
Begin by creating an MS-DOS version 6.0 Startup disk. To do so:
1. Start your computer with your current version of DOS.
2. Insert MS-DOS installation Setup Disk 1 in drive A.
3. Type "a:setup /f" at the MS-DOS command prompt, press ENTER, and
then follow the instructions on your screen.
Setup expands key MS-DOS files onto your floppy disk. You'll use
this floppy disk with the expanded files to temporarily run MS-DOS
version 6.0.
BACKING UP YOUR FILES
---------------------
You should back up files on every partition and each logical drive of
your hard disk.
WARNING: Make sure you back up your files before using the Fdisk
program. When you delete or modify a partition, all files on that
partition are deleted.
Use the MS-DOS BACKUP command to back up all the files on your hard
disk to a floppy disk by typing the following at the MS-DOS command
prompt and pressing ENTER
backup <drive:>\*.* <floppy:> /s
where <drive:> is your hard disk drive and <floppy:> is your floppy
disk drive. The /S switch specifies that every file in every directory
will be backed up. For example, to back up every file in every
directory on hard disk drive C onto disks in floppy disk drive A, type
the following command:
backup c:\*.* a: /s
NOTE: Use the backup command to back up files on every partition
and each logical drive of your hard disk.
You can use your current version of the MS-DOS BACKUP command because
it should be compatible with the RESTORE command provided with MS-DOS
6.0. Because MS-DOS 6.0 now includes the full-screen version of
Microsoft Backup for MS-DOS and Microsoft Backup for Windows, the
command prompt version of BACKUP is not included with the product.
However, RESTORE is still provided.
NOTE: Before using your current version of the BACKUP command and
repartitioning, you should back up a few files and use the RESTORE
command provided with MS-DOS 6 Upgrade to restore the files. This
should be done as a safety precaution to ensure you are not using
an original equipment manufacturer (OEM) version of BACKUP that is
not compatible with the MS-DOS 6.0 RESTORE command.
If you do not want to use BACKUP and RESTORE, you can use a third-
party backup program such as Fastback(TM), Norton Utilities(R) Backup,
PC Tools(TM) Backup, and so forth.
REPARTITIONING YOUR HARD DISK
-----------------------------
Repartitioning your hard disk involves:
╖ Deleting any non-DOS partitions
╖ Deleting the logical drives in the extended DOS partition, if
your system has any
╖ Deleting the extended DOS partition, if your system has one
╖ Deleting any primary DOS partitions
╖ Creating a new primary DOS partition
╖ Specifying the maximum disk size for the partition, and making
the partition active
Before you repartition your hard disk, make sure you write down the
volume label for each partition. You will need this information later.
To find the volume label for your hard disk drive, type the following
at the MS-DOS command prompt and press ENTER
vol <drive:>
where <drive:> is your hard disk drive. For example, if you want to
determine the volume label for drive C, type the following command:
vol c:
To repartition your hard disk:
1. If you are not already running MS-DOS 6.0, insert your
Startup disk in drive A, and then restart your computer by
pressing CTRL+ALT+DEL.
2. If you have not already done so, insert the Startup disk
(which you created using the procedure in the "Creating a Startup
Disk" section) in drive A.
3. At the MS-DOS command prompt, type "fdisk" (without the
quotation marks) and press ENTER. The FDISK Options screen
appears:
MS-DOS Version 6
Fixed Disk Setup Program
(C)Copyright Microsoft Corp. 1983-1993
FDISK Options
Current fixed disk drive: 1
Choose one of the following:
1. Create DOS partition or Logical DOS Drive
2. Set active partition
3. Delete partition or Logical DOS Drive
4. Display partition information
Enter choice: [1]
Press Esc to exit FDISK
4. Press 3 to choose Delete Partition Or Logical DOS Drive, and
then press ENTER. The Delete DOS Partition Or Logical DOS Drive
screen appears:
Delete DOS Partition or Logical DOS Drive
Current fixed disk drive: 1
Choose one of the following:
1. Delete Primary DOS Partition
2. Delete Extended DOS Partition
3. Delete Logical DOS Drive(s) in the Extended DOS Partition
4. Delete Non-DOS Partition
Enter choice: [ ]
Press Esc to return to FDISK Options
5. If any of your partitions were created with a third-party
disk-partitioning utility or installation program, press 4 to
choose Delete Non-DOS Partition, and then press ENTER. If all your
partitions were created with MS-DOS, press ESC to return to the
FDISK Options screen, then skip to step 10 of this procedure.
If you chose option 4, the Delete Non-DOS Partition screen
appears:
Delete Non-DOS Partition
Current fixed disk drive: 1
Partition Status Type Volume Label Mbytes System Usage
C: 1 A PRI DOS 23 FAT16 33%
2 Non-DOS 23 33%
3 EXT DOS 23 33%
Total disk space is 69 Mbytes (1 Mbyte=1048576 bytes)
WARNING! Data in the deleted Non-DOS Partition will be lost.
What non-DOS partition do you want to delete..? [1]
Press Esc to return to FDISK Options
6. Type the number of the partition you want to delete, and then
press ENTER.
7. To confirm the deletion, press Y, and then press ENTER.
8. Press ESC to return to the FDISK Options screen.
9. Repeat steps 4-8 if you have any other partitions that were
created with a third-party disk-partitioning utility or
installation program.
10. The FDISK Options menu should now be on your screen. If you have a
partition that was created with MS-DOS, press 3 to choose Delete
Partition Or Logical DOS Drive and press ENTER. If you have just
one non-DOS partition, skip to step 22 in this procedure.
If you chose option 3 on the FDISK Options screen, the Delete DOS
Partition Or Logical DOS Drive screen appears.
11. If you have a logical drive, press 3 to choose Delete Logical DOS
Drive(s) In The Extended DOS Partition and press ENTER. The Delete
Logical DOS Drive(s) In The Extended DOS Partition screen appears.
If you don't have any logical drives, skip to step 17.
Delete Logical DOS Drive(s) in the Extended DOS Partition
Drv Volume Label Mbytes System Usage
D: 15 FAT12 65%
E: 8 FAT12 35%
Total Extended DOS Partition size is 23 Mbytes (1 MByte=1048576
bytes)
WARNING! Data in a deleted Logical DOS Drive will be lost.
What drive do you want to delete.........................? [ ]
Press Esc to return to FDISK Options
12. Type the letter of the drive you want to delete and press ENTER.
13. Type the volume label if there is one and press ENTER.
14. To confirm the deletion, press Y and press ENTER.
15. If there are other logical drives you want to delete, repeat steps
12-14 above.
16. When all logical drives have been deleted, press ESC. An
information screen appears.
17. Press ESC again to return to the FDISK Options screen.
18. Press 3 to choose Delete Partition Or Logical DOS Drive and press
ENTER. The Delete DOS Partition Or Logical DOS Drive screen
appears.
19. Press 2 to choose Delete Extended DOS Partition and press ENTER.
The Delete Extended DOS Partition screen appears. If you don't
have any extended DOS partitions, skip to step 21.
Delete Extended DOS Partition
Current fixed disk drive: 1
Partition Status Type Volume Label Mbytes System Usage
C: 1 A PRI DOS 23 FAT16 33%
2 EXT DOS 23 33%
Total disk space is 69 Mbytes (1 Mbyte=1048576 bytes)
WARNING! Data in the deleted Extended DOS Partition will be lost.
Do you wish to continue (Y/N)........................? [N]
Press Esc to return to FDISK Options
20. To confirm that you want to delete the extended DOS partition,
press Y and press ENTER.
21. Press ESC to return to the FDISK Options screen.
22. Press 3 to choose Delete Partition Or Logical DOS Drive and press
ENTER. The Delete DOS Partition Or Logical DOS Drive screen
appears.
23. Press 1 to choose Delete Primary DOS Partition and press ENTER.
The Delete Primary DOS Partition screen appears.
Delete Primary DOS Partition
Current fixed disk drive: 1
Partition Status Type Volume Label Mbytes System Usage
C: 1 A PRI DOS 23 FAT16 33%
Total disk space is 69 Mbytes (1 Mbyte=1048576 bytes)
WARNING! Data in the deleted Primary DOS Partition will be lost.
What primary partition do you want to delete..? [1]
Enter volume label...............................? [ ]
Press Esc to return to FDISK Options
24. Press ENTER to delete your primary partition.
25. Type the volume label, if there is one, and press ENTER.
26. To confirm the deletion, press Y and press ENTER.
27. Press ESC to return to the FDISK Options screen.
28. Press ENTER to choose Create A DOS Partition Or Logical DOS Drive.
The Create DOS Partition Or Logical DOS Drive screen appears.
Create DOS Partition or Logical DOS Drive
Current fixed disk drive: 1
Choose one of the following:
1. Create Primary DOS Partition
2. Create Extended DOS Partition
3. Create Logical DOS Drive(s) in the Extended DOS Partition
Enter choice: [1]
Press Esc to return to FDISK Options
29. Press ENTER to choose Create Primary DOS Partition. The Create
Primary DOS Partition screen appears.
Create Primary DOS Partition
Current fixed disk drive: 1
Do you wish to use the maximum available size for a Primary DOS
Partition and make the partition active
(Y/N)...........................?[Y]
Press Esc to return to FDISK Options
30. Press ENTER to specify the maximum size for the partition and make
the partition active.
31. Make sure your Startup disk is in drive A and press any key.
FORMATTING YOUR HARD DISK
-------------------------
You cannot use your hard disk until you format it.
To format your hard disk:
1. Make sure you are running MS-DOS 6.0 from your Startup disk.
2. Type the following at the MS-DOS command prompt and press ENTER
format <drive:> /s
where <drive:> is your hard disk drive. For example if your hard
disk drive is drive C, type the following command:
format c: /s
3. Press Y and press ENTER to proceed with formatting.
4. Once formatting is complete, type a volume label if you want one
and press ENTER.
RESTORING YOUR FILES
--------------------
Now you can restore the files you backed up previously. If you used a
third-party program such as Fastback to backup your files, use the
same program to restore your files. If you used the MS-DOS BACKUP
command, use the MS-DOS RESTORE command to restore them.
To restore your files using the MS-DOS RESTORE command:
1. Insert the Startup disk in drive A.
2. Type the following at the MS-DOS command prompt and press ENTER
restore <drive1:> <drive2:>\*.* /s
where <drive1:> specifies the drive on which the backed-up files
are stored and <drive2:> is your hard disk drive. For example, if
you insert your backup disk in drive A and your hard disk drive is
drive C, type the following command:
restore a: c:\*.* /s
The /S switch restores every file in every subdirectory you backed
up.
3. Insert your Startup disk if you are prompted with the following
message:
Insert disk with \COMMAND.COM in drive A
4. Repeat steps 2 and 3 if you have other backup disks. For example,
you might have a set of backup disks for drive D.
UPGRADING TO MS-DOS 6.0
-----------------------
Now you can upgrade your system to MS-DOS version 6.0.
To upgrade to MS-DOS 6.0:
1. Insert Setup Disk 1 in drive A.
2. At the MS-DOS command prompt, type "a:setup" and press ENTER.
3. Continue following the instructions on the screen to install MS-DOS
version 6.0.
NOTE: Before you restart your system, make sure drive A is empty.
OPTIONALLY REPARTITIONING YOUR HARD DISK
----------------------------------------
If you don't need to repartition your hard disk in order to install MS-
DOS version 6.0, follow the steps outlined here. You have two choices
when optionally repartitioning your hard disk:
- Use your current version of the MS-DOS BACKUP and RESTORE commands
to back up your hard disk when preparing to partition.
- First install MS-DOS version 6.0 in order to use the Microsoft
Backup program (MSBACKUP) when preparing to partition.
While this option requires that you install MS-DOS version 6.0
twice (once before, and once after you partition), being able to
use the Microsoft Backup program provides you with many more
options when backing up your data.
To partition your hard disk by using MS-DOS version 6.0:
1. Insert Setup Disk 1 (the first of your installation disks) in
drive A.
2. At the MS-DOS command prompt, type "a:setup", press ENTER,
and then follow the instructions in the first few screens. At the
screen that begins with "The following programs can be installed
on your computer," note the default setting for "Backup." This
setting will be either Windows Only or MS-DOS Only.
3. If you have Microsoft Windows installed on your personal
computer, change the Backup setting to include MS-DOS. You can
choose either the Backup: MS-DOS Only option or the Backup:
Windows And MS-DOS option.
4. Continue following the instructions to install MS-DOS version
6.0.
5. Before you restart your system, make sure drive A is empty.
6. Insert Setup Disk 1 (the first of your installation disks) in
drive A.
7. To create a startup floppy disk called Startup, type "a:setup /f"
at the MS-DOS command prompt and press ENTER. Follow the
instructions on the screen.
8. Run the Microsoft Backup program by typing "MSBACKUP" at the
MS-DOS command prompt and pressing ENTER. Create full backups of
all the partitions on your hard disk.
9. At the MS-DOS command prompt, type "FDISK" and press ENTER.
This initiates the procedure to partition your hard disk. Refer to
"Using Fdisk to Configure Your Hard Disk" in Chapter 8 of the
"Microsoft MS-DOS 6 User's Guide".
10. Insert the Startup disk (which you created in step 7) in drive A
and format all of your partitions. When formatting your hard disk
drive, use the /S switch (this transfers system files to your hard
disk drive, making it the startup drive). For example, type the
following at the MS-DOS command prompt and press ENTER
format <drive:> /s
where <drive:> is your hard disk drive. For example, if your hard
disk drive is drive C, type the following command:
format c: /s
11. Install MS-DOS version 6.0 on your newly partitioned hard disk. Be
sure to install the MS-DOS version of the Microsoft Backup
program.
12. Run Microsoft Backup to restore your data by typing "MSBACKUP" at
the MS-DOS command prompt and pressing ENTER. If you used the MS-
DOS Backup program to back up your data, use the MS-DOS RESTORE
command to restore it.