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DOS 6.2 under VirtualPC - access to LPT1 printer port?

Source: microsoft.public.virtualpc
Sent: 07/16/2009
From: Mel_3 <(email address - cut out)>
Message:

I'm trying to help a friend who has an old COBOL data base running
under DOS 6.2 on an old 486 PC.
- Mother Board failed
- Have it working under VirtualBox but VirtualBox provides no access
to LPT1
- The COBOL application renders most reports to the printer and not
the screen
- So VirtualBox... at this point does not seem like a solution.
- I even tracked down the old DOS TSR LPT12FILE.com but since
VirtualBox does not provide LPT1 the print files all go into a que and
never appear in the file.

My Question:
1 - Will VirtualPC allow access to the parallel printer port LPT1 ?
2 - Anyone have DOS 6.2 running under VirtualPC?
3 - I have the boot disk and 3 setup disk... would I normally need
anything else?

BTW, I'm running Windows XP Pro as my OS.

Thanks for any help.

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Related Messages

Re: DOS 6.2 under VirtualPC - access to LPT1 printer port?

Sent: 07/16/2009
From: "Steve Jain [MVP]" <(email address - cut out)>
Message:

On Thu, 16 Jul 2009 10:35:10 -0700 (PDT), Mel_3
<(email address - cut out)> wrote:

Yes

Yes

No, make sure that you set LPT1 in the VM to LPT1 on the host. The
printer must be DOS compatible, it can't be a "Windows only" printer.
Make sure to stop anything that will monopolize the printer on the
host, inkjet/laser printer monitors, spoolers, etc.

--
Cheers,
Steve Jain, Virtual Machine MVP
http://vpc.essjae.com/

Show quoted text

>I'm trying to help a friend who has an old COBOL data base running
>under DOS 6.2 on an old 486 PC.
>- Mother Board failed
>- Have it working under VirtualBox but VirtualBox provides no access
>to LPT1
>- The COBOL application renders most reports to the printer and not
>the screen
>- So VirtualBox... at this point does not seem like a solution.
>- I even tracked down the old DOS TSR LPT12FILE.com but since
>VirtualBox does not provide LPT1 the print files all go into a que and
>never appear in the file.
>
>My Question:
>1 - Will VirtualPC allow access to the parallel printer port LPT1 ?
>2 - Anyone have DOS 6.2 running under VirtualPC?
>3 - I have the boot disk and 3 setup disk... would I normally need
>anything else?
>
>BTW, I'm running Windows XP Pro as my OS.
>
>Thanks for any help.

RE: DOS 6.2 under VirtualPC - access to LPT1 printer port?

Sent: 07/16/2009
From: Wesley
Message:

What you want to do is doable. Download VPC and read the help files to get
started. Ignore the reference that DOS is not supported, its not, but it
runs, you just can not get help from MS. Go to http://vpc.essjae.com/ to get
the 2004 VMADs. If possible get a copy of VPC2004 help files (don't know
where), as I recall it may have stuff about DOS omitted in the VPC2007 help
files. Search http://blogs.msdn.com/virtual_pc_guy/ for other help.
--
Wesley

"Mel_3" wrote:

Show quoted text

> I'm trying to help a friend who has an old COBOL data base running
> under DOS 6.2 on an old 486 PC.
> - Mother Board failed
> - Have it working under VirtualBox but VirtualBox provides no access
> to LPT1
> - The COBOL application renders most reports to the printer and not
> the screen
> - So VirtualBox... at this point does not seem like a solution.
> - I even tracked down the old DOS TSR LPT12FILE.com but since
> VirtualBox does not provide LPT1 the print files all go into a que and
> never appear in the file.
>
> My Question:
> 1 - Will VirtualPC allow access to the parallel printer port LPT1 ?
> 2 - Anyone have DOS 6.2 running under VirtualPC?
> 3 - I have the boot disk and 3 setup disk... would I normally need
> anything else?
>
> BTW, I'm running Windows XP Pro as my OS.
>
> Thanks for any help.
>

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