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Дата изменения: Wed Mar 7 01:04:36 2001
Дата индексирования: Thu Jan 15 10:21:26 2009
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Поисковые слова: arp 220
OS2.TXT

Notes on upgrading to MS-DOS 6
==============================

If you have OS/2 on your computer, and the MICROSOFT
MS-DOS 6 USER'S GUIDE referred you to the OS2.TXT
file, carry out the following procedure that corresponds
to your computer's configuration.

If You Have Neither OS/2 Dual Boot Nor OS/2 Boot Manager
--------------------------------------------------------
If you want to remove OS/2 from your computer but want
to save the data on your hard disk first, carry out the
following procedure:

To remove OS/2 and save the data on your computer:

1. Restart your computer using OS/2.

2. Back up the data files you want to keep onto floppy
disks by using the COPY command.

CAUTION Do not remove OS/2 system files from your hard disk.

3. Reinsert Setup Disk 1 in drive A (the startup drive).

4. Restart your computer by pressing CTRL+ALT+DEL.

5. When Setup displays the screen about a non-MS-DOS partition
or non-MS-DOS files, choose to remove the partition or files.

6. After you finish setting up MS-DOS, copy the data files
you saved in step 2 from the floppy disks back to your
hard disk.

If You Have OS/2 Dual Boot with DOS or OS/2 Boot Manager
with DOS
--------------------------------------------------------
When Setup detects OS/2, it displays a "Non-MS-DOS Partition
Detected" or "OS/2 Files Detected" screen. If Setup
displayed the "Non-MS-DOS Partition Detected" screen, carry out
Procedure 1. If Setup displayed the "OS/2 Files Detected"
screen, carry out Procedure 2.

Procedure 1 To remove OS/2 and save the data on your
computer:

1. When Setup displays the "Non-MS-DOS Partition Detected"
screen, choose the "Continue Setup" option.

2. After you set up MS-DOS 6, make sure you can access
your hard disk.

3. Back up the data files you want to keep onto floppy
disks or a network drive.

4. See "Using Fdisk to Configure Your Hard Disk" in the chapter
"Diagnosing and Solving Problems," and carry out all the procedures
that appear in the following sections:

o "Making a Startup Disk"

o "Using Fdisk"

o "Deleting Non-MS-DOS Partitions"

o "Deleting Logical Drives"

o "Deleting an Extended MS-DOS Partition"

o "Creating a Primary MS-DOS Partition"

o "Formatting Your Hard Disk"

5. Restart Setup. To do so, insert Setup Disk 1 in drive
A or drive B, and then type the following at the command
prompt:

A:SETUP

or

B:SETUP

6. After you configure your hard disk, copy the files you
saved in step 3 back to the disk.

Procedure 2 To remove OS/2 and save the data on your
computer:

NOTE If you have a version of OS/2 other than version 2.0,
the names of the OS/2 files and directories on your
hard disk may differ from those that appear in this
procedure.

CAUTION Do not remove MS-DOS program files from your computer.

1. Back up the data files you want to keep onto floppy
disks or a network drive.

2. If your Setup disks are compatible with drive A, insert
Setup Disk 1 in drive A, and then restart your computer by
pressing CTRL+ALT+DEL. After Setup displays the first
screen, press F3 twice to quit Setup.

If your Setup disks are not compatible with drive A,
create a startup disk for drive A. To do so, insert
Setup Disk 1 in drive B, and then type the following
at the command prompt:

B:SETUP /F

When prompted, choose to install MS-DOS on the floppy disk
in drive A. After Setup is finished, leave the startup disk
in drive A, and then restart your computer by pressing
CTRL+ALT+DEL.

3. Make drive C current by typing the following at the command
prompt:

C:

4. One by one, make each of the OS/2 directories and
subdirectories current by using the CD command, and
then delete all the files in them by using the DEL
command. For example, to make the SYSTEM subdirectory in
the OS2 directory current and delete all the files in it,
type the following at the command prompt:

CD \OS2\SYSTEM
DEL *.*

5. After you have deleted all files in these subdirectories,
delete the subdirectories by using the RD command. For
example, to delete the SYSTEM subdirectory in the OS2
directory on drive C, type:

RD C:\OS2\SYSTEM

6. After you have deleted all subdirectories in the OS2,
PSFONTS, SPOOL, NOWHERE, and OS!2_2.0_D directories,
delete all files in these directories by using the DEL
command.

7. Delete the OS2, PSFONTS, SPOOL, NOWHERE, and OS!2_2.0_D
directories by using the RD command.

8. Move to another disk or directory all the OS/2 files in
your root directory except the following:

EA DATA.SF
OS2lDR.MSG
OS2lDR
OS2KRNl
OS2BOOT
WP DATA. SF

9. Change to the root directory by typing the following at the
command prompt:

CD\

10. Change the attributes of the five files listed
in step 8 by typing the following at the command
prompt:

A:\ATTRIB -H -S -R C:\E*.*
A:\ATTRIB -H -S -R C:\O*.*
A:\ATTRIB -H -S -R C:\W*.*

11. Delete the files whose attributes you changed by typing
the following at the command prompt:

DEL E*.*
DEL O*.*
DEL W*.*

12. Return to the root directory the files that you moved in
step 8.

13. Remove disks from all floppy disk drives, and then restart
your computer by pressing CTRL+ALT+DEL.

14. Insert Setup Disk 1 in drive A or drive B.

15. Run Setup again by typing the following at the command prompt:

A:SETUP

or

B:SETUP

If You Have OS/2 Boot Manager Without DOS
-----------------------------------------

To remove OS/2 and save the data on your hard disk:

1. Back up the data files you want to keep onto floppy
disks or a network drive by using the COPY command.

2. Reinsert Setup Disk 1 in drive A (the startup drive).

3. Restart your computer by pressing CTRL+ALT+DEL.

4. When Setup displays the screen about OS/2 or non-
MS-DOS files, choose to remove OS/2 or the files.

5. After you finish setting up MS-DOS, copy the data files
you saved in step 1 back to your hard disk.