At 03:01 PM 9/7/2011, Eric Auer wrote:

>Hi Ralf, James,
> >> I am wondering how to set up my device in virtualbox to work with
> >> freedos? I have looked in the settings for my guest os, freedos. I
> >> see under ports a section on serial ports, and also a section on
> >> USB. But I don't know which would relate to my external speech 
> synthesizer.
> > Had similar issues while getting a parallel port printer in DOSBOX
> > working on Windows 7 Home Premium/64Bit. DOSBOX just would not
> > provide a proper "translation" from the Windows 7 parallel port
> > device to a plain DOS parallel port within DOSBox.
>Maybe a bit "perverted" idea, but: Given that the "guest OS"
>is more often something like Windows, maybe VirtualBox will
>be better in forwarding the USB as-is? Then you will need a
>DOS "USB serial port" driver to access your serial devices,
>but at least VirtualBox does not have to simulate some type
>of device/port out of some other type of device/port? Your
>DOS driver would do the transform "inside guest space" :-)

Well, that would be indeed a bit "perverted", as I actually 
understand his initial post that his device is in fact serial (as in 
RS232/V24 I assume) and he already has to work with a crutch of a 
Serial2USB (not USB2Serial as mentioned, a Mac that runs OS X 10.7 
won't have a physical serial (RS232/V24) port!) to be able to 
physically hook up that device to his host PC. Using a not very 
"hardware friendly" host OS is certainly not helping here, which is 
likely to even further limit the chances of finding a working solution...


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