How to use the physical parallel port in a guest (host: win7, guest: dos)

[Stephan von Krawczynski]

Hello,

I am trying to virtualise a DOS guest on a windows 7 host because the physical
box is going to break in short (386, very old). Unfortunately there is a
software running using a hardware dongle on parallel port. AFAIK there is no
virtual parallel port in vbox, and anyways it probably would not work with a
dongle. So how can I configure vbox to exclusively use the hosts parallel port?

[Mark Cranness]

VirtualBox has had parallel port support for a while, but it is not visible
in the UI.
You need to use the VBoxManage to configure it.

See section 8.8.1 of the manual, --lptmode and --lpt options.

Version 4.2.0 apparently has "Added support for parallel port passthrough
on Windows hosts", according to the change log.

Post by Stephan von Krawczynski
Hello,
I am trying to virtualise a DOS guest on a windows 7 host because the physical
box is going to break in short (386, very old). Unfortunately there is a
software running using a hardware dongle on parallel port. AFAIK there is no
virtual parallel port in vbox, and anyways it probably would not work with a
dongle. So how can I configure vbox to exclusively use the hosts parallel port?
--
Regards,
Stephan
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[Stephan von Krawczynski]

Thanks Mark for this first hint.
I wonder if anyone can confirm if the standard lpt in guest is in fact a
passthrough type or if this has to be configured somehow, there seems to be no
hint at all in the manual...


On Fri, 8 Nov 2013 12:37:58 +1300

Post by Mark Cranness
VirtualBox has had parallel port support for a while, but it is not visible
in the UI.
You need to use the VBoxManage to configure it.
See section 8.8.1 of the manual, --lptmode and --lpt options.
Version 4.2.0 apparently has "Added support for parallel port passthrough
on Windows hosts", according to the change log.

Post by Stephan von Krawczynski
Hello,
I am trying to virtualise a DOS guest on a windows 7 host because the physical
box is going to break in short (386, very old). Unfortunately there is a
software running using a hardware dongle on parallel port. AFAIK there is no
virtual parallel port in vbox, and anyways it probably would not work with a
dongle. So how can I configure vbox to exclusively use the hosts parallel port?
--
Regards,
Stephan