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DAVOVL.FAX
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1995-01-25
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OSDANOVL - CREATING A VMB FOR THE NETWARE LAN REQUESTER
10/19/94
================================================================
CREATING A DOS IMAGE FILE FOR OS/2 2.x TO BE
USED WITH THE NETWARE V2.1 LAN REQUESTER FOR OS/2
VMB - (Virtual Machine Boot)
================================================================
Please Read Entire Document For Full Explanation of Procedure
----------------------------------------------------------------
SYMPTON: Applications that run off the Netware Lan Requester
for OS/2 do not run in a VDM session.
RESOLUTION: Create a VMB for the Netware Lan Requester
PROCEDURES:
SECTION I - CREATING A VMB DISKETTE
1. Each Image file you create equals the size of the diskette
you use, for example, 360k, 720k, or 1.44mb high density
diskette. There are two ways to create a VMB diskette:
METHOD A:
Start from a DOS bootable diskette that includes the
FORMAT.COM file from native DOS. Type: FORMAT A: /S
and press Enter. When you see a message asking you
to Press any key, insert a blank diskette for the VMB in
Drive A, and press Enter. COMMAND.COM is on the
diskette when this step is completed.
METHOD B:
If you have native DOS installed on your computer, start
from there. Insert a blank formatted diskette you want
to use for the VMB in Drive A, and, from the DOS root
directory, type: SYS A: and press Enter. COMMAND.COM is
on the diskette when this step is completed.
After completing one of the above steps, insert the VMB
diskette in Drive A: and start the system. If it starts
correctly, continue with the following procedures. If not,
try the previous steps again.
NOTE: After creating a VMB diskette, you can:
- Start from OS/2's Command Prompts Icon View
(DOS from Drive A)
- Start from the VMB Image Icon on your Desktop
NOTE: Use the following instructions to create the VMB.
Make certain it running before you customize the VMB
image. Then, you can add other device drivers, native
DOS files, and statements in the CONFIG.SYS and
AUTOEXEC.BAT specific to your application, network,
etc. You have to create several VMBs for each program
that has special requirements.
2. Start in OS/2 and copy the following files from the
OS2\MDOS directory to the VMB diskette:
ANSI.SYS
FSFILTER.SYS
FSACCESS.EXE
EMM386.SYS
HIMEM.SYS
LPTDD.SYS
MOUSE.COM
You may add any number of NATIVE DOS files to this diskette,
but not until the VMB is running.
3. The VMB lets you read/write to Drive A: using
an alternate drive letter. You can change the AUTOEXEC.BAT,
CONFIG.SYS, and add files after the Image file is on the hard
disk - this is Drive A. (Instructions below)
4. Each time you install a new version of OS/2 or a ServicePak,
you need to update the IMAGE with the current version of
the files from the OS2\MDOS directory listed in step 2 above.
INSTRUCTIONS
-----------------------------------------------------------------
1. On the VMB diskette create the following AUTOEXEC.BAT
file with a text editor:
PRIVATE OR GLOBAL
-----------------
ECHO OFF
PROMPT $P$G
MOUSE.COM
PATH C:\;C:\VMB;C:\NETWARE
SET DOS=VDM
FSACCESS G=A
C:
CD\NETWARE
NETX.EXE
(Private Only) H: (Lastdrive+1 - Example: G+1 = H)
NOTE: If you start DOS from an Image File, you cannot use
physical Drive A until you release the Image File.
FSACCESS G=A releases Drive A and assigns "G" which is the
drive after the last assigned drive on your workstation.
This lets DOS applications read/write to physical Drive
A - which is logical Drive G. When retrieving/saving a
file from/to physical Drive A, rename the Application's
drive destination to "G" instead of "A".
LAN USERS: Do not use FSACCESS Z=A if your Lan
assigns logical Drive Z as the network
drive.
2. On the VMB diskette create the following CONFIG.SYS with a
text editor:
PRIVATE OR GLOBAL
-----------------
DEVICE=FSFILTER.SYS
FILES=40
BUFFERS=40
DEVICE=HIMEM.SYS
DEVICE=EMM386.SYS
LASTDRIVE=G
DOS=HIGH,UMB
DEVICE=ANSI.SYS
DEVICE=LPTDD.SYS
DEVICE=C:\NETWARE\DOSVIPX.SYS
NOTE: LASTDRIVE=G is the same as the FSACCESS
assigned drive from the AUTOEXEC.BAT.
3. Make a directory called C:\VMB for the VMB image. Copy the
COMMAND.COM from the VMB diskette to the VMB directory. Go
to C:\VMB and type:
VMDISK A: DOS.IMG and press Enter.
This creates an image of the diskette you created. The
Image File is named DOS.IMG and is in the C:\VMB directory.
4. When completed, remove and store the diskette. Return to the
desktop.
================================================================
SECTION II - CREATING A VMB DESKTOP ICON
1. Creating the Icon:
a. Open the OS/2 System folder.
b. Select the Command Prompts Icon.
c. Copy the DOS Full Screen icon to the Desktop by holding
down the Ctrl key and dragging the icon to Desktop while
holding down the right mouse button.
d. Close Command Prompts and the OS/2 System Folder.
2. Change the DOS Settings For the VMB Icon:
a. Select the Icon created in Step 1.
b. Press the right mouse button to display the menu.
c. Select the Arrow on Open.
d. Select Settings to open the Settings notebook.
e. Select Session.
f. Select DOS Settings.
g. Change the following settings:
EMS_MEMORY_LIMIT to: Default is 2048
DOS_UMB to: ON
DOS_HIGH to: ON
DOS_STARTUP_DRIVE to: C:\VMB\DOS.IMG
XMS_MEMORY_LIMIT to: Default is 2048
(Min. Requirement)
PRIVATE GLOBAL
------- ------
NETWARE_RESOURCES to: PRIVATE GLOBAL
DOS_FILES to: 214(MAX) 214(MAX)
DOS_LASTDRIVE to: G G
NOTE: In a PRIVATE session, the DOS_LASTDRIVE needs to be set
to the drive letter past your last OS/2 workstation drive.
EXAMPLE: If you have drives A: B: C: D: E: F: your
DOS_LASTDRIVE should be set to G. H: will
be you LOGIN drive for that session.
h. Use these settings for applications that use DOS
PROTECTED MODE INTERFACE (DPMI).
DPMI_MEMORY_LIMIT to: 4 (Minimum Requirement)
DPMI_DOS_API to: ENABLE
i. If your PC has a LAN adapter, or other board that uses
RAM memory, add the range it uses to the
MEM_EXCLUDE_REGIONS settings (i.e., D8000-DFFFF for
an Ethernet Adapter).
NOTE: There may be other settings you want to change, but do
not do it until the VMB is running.
3. Select Save.
4. Select General and change the Title field to VMB or
the name you want to call your Desktop Icon.
5. Close the window.
6. Select the new DOS VMB Desktop Icon.
7. To EXIT the VMB from within the VMB, create a batch file
in the VMB directory called X.BAT containing the following:
@ C:\OS2\MDOS\EXIT_VDM
8. Save the file.
9. Type X at the command prompt.
NOTE: If you have problems with the above steps, check all
your file and directory names, especially the ones in
the DOS Settings.