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OS/2 Shareware BBS: 36 Tips
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PCSUPP.FAX
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1994-12-01
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Setting up PC Support 10/01/92
PC SUPPORT/400 UNDER OS/2 2.0 INFORMATION
-----------------------------------------
Description: This fax describes how to install and use PC Support for DOS
under OS/2 v2.0. This excerpt is taken from OS/2 Red Book Vol. 2.
B.0 Appendix B. Running DOS PC Support/400 in OS/2 V2.0
This appendix covers the instructions for the installation of DOS PC
Support/400under OS/2 V2.0, and the restrictions for this environment.
In DOS PC Support/400, the Shared Folders device driver is a block device
driver. Since the virtual DOS machine of OS/2 V2.0 does not support block
device drivers, DOS PC Support/400 must be run in a Virtual Machine Boot
session. We will describe below the setup of DOS PC Support/400 in a DOS
5.0 Virtual Machine Boot. The process creates a DOS 5.0 boot diskette,
which is then copied as a diskette image to the hard disk. This enables
the DOS PC Support/400 Virtual Machine Boot to be started from the hard
disk rather than a diskette.
B.1 Installation Preparation
The following are required before starting the installation:
1. Basic DOS PC Support/400 Installation diskette(s) V2R1 or later
2. DOS 5.0 bootable diskette, formatted with the system (/S) option
3. If using a LAN, the LAN Support Program diskette 1.22 or later
4. DOS PC Support/400 Installation and Administration Guide (SC41-0006).
B.2 Installation
If DOS PC Support/400 is to use a LAN, we must first install the LAN
device drivers on the DOS 5.0 diskette with the LAN Support Program
diskette. This puts the DXMx0MOD.SYS drivers in the CONFIG.SYS of the
DOS 5.0 diskette.
1. Run the DOS PC Support/400 installation program.
a. During the installation, you will be asked which "Drive your
personal computer starts from?". This must be answered as "A"
drive.
b. When you are asked to "Insert diskette from which you will start
the personal computer in drive A.", insert the DOS 5.0 diskette.
Further instructions on how to use the Install program are in the
guide.
2. When the DOS PC Support/400 installation program has stopped, add the
following line to the top of the CONFIG.SYS file on the DOS 5.0
diskette:
DEVICE=C:\OS2\MDOS\FSFILTER.SYS
NOTE: if you have installed OS/2 V2.0 on a drive other than C:, use
that drive letter instead.
FSFILTER.SYS is a special DOS device driver that allows a Virtual
Machine Boot session to access (read/write) all OS/2 V2.0 drives (both
FAT and HPFS). Without this driver, the Virtual Machine Boot session
can only READ from OS/2 V2.0 FAT drives.
3. Create a Virtual Machine Boot diskette image file from your DOS 5.0
diskette with the following steps:
a. Put your DOS 5.0 diskette in drive A:
b. At a OS/2 or DOS command prompt, enter:
VMDISK A: C:\PCSDOS50.DSK
This will create a file that contains an image of the DOS 5.0
diskette.
4. Create a new VDM object on the Workplace Shell desktop.
a. Locate the Templates folder. It is usually an icon on the
Workplace Shell.
b. Open the Templates folder.
c. Locate the Program icon template.
d. Drag the Program icon template on to the desktop. This will cause
the Program Settings notebook to appear.
e. Enter an asterisk "*" in the Path and file name field.
f. Select the Session notebook tab.
g. Select either DOS full screen or DOS window and then select the
DOS Settings... button.
h. Select the DOS_STARTUP_DRIVE list item and then enter:
C:\PCSDOS50.DSK
in the upper right entry field.
i. Select the Save button to save the DOS settings and return.
j. Select the General notebook tab.
k. Change the Title field to DOS PC Support/400 or your own name
describing the new object.
l. Close the Settings notebook by double clicking on the system menu
in the upper left corner of the window.
Now there will be a DOS PC Support/400 icon on your desktop. Double click
on it to bring up DOS PC Support/400.
B.3 Restrictions
The following general restrictions apply to this environment:
1. Only the Basic DOS (Not Extended DOS) version of DOS PC Support/400 is
supported.
2. Only V2R1 or greater versions of DOS PC Support/400 are supported.
3. Only a single DOS PC Support/400 virtual DOS machine(VDM) is
supported.
4. If OS/2 Version 2.0 Extended Services is used, the OS/2 version of PC
Support must be run instead of the Basic DOS version, as the device
drivers used by DOS PC Support/400 requires exclusive control of any
adapter used for DOS communications.
5. When a Virtual Machine Boot session is started from a diskette image
file, the "A:" drive within the VDM will refer to the diskette image
file. If you would like to access the physical drive "A:," OS/2 V2.0
supplies a program called FSACCESS.EXE to do this. See the online
command reference for more information.
6. The default hot-key of Alt-ESC is reserved for OS/2 V2.0 and must be
changed in order to have hot-key support. This can be done by using
the Configure WorkStation Function (CFGWSF.EXE) program to
create/change a keyboard profile.
7. For LAN connections, only the LAN Support Program Version 1.22 or
later is supported.
8. If you decide to close the DOS PC Support/400 Virtual Machine Boot
session while the LAN router is active, you must wait two minutes
before starting up the VDM again. This time will allow the card to
reset itself on the LAN. The DOS PC Support/400 VDM will appear to
hang if it is restarted too soon.
9. For an SDLC router, if you decide to close the Virtual Machine Boot
session while the router is active, you must stop the router or power
off the modem first. Failing to do so could cause a system trap to
occur.
10. The ASYNC router is NOT supported at this time.
12/31/99