Author Topic: Virtual Serial Port?  (Read 4289 times)

Rich Walsh

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Virtual Serial Port?
« on: July 12, 2025, 06:58:15 pm »
I'm doing some maintenance on a program that won't start up unless it finds a 'COM1:' - but my late-model machine doesn't have any serial ports.

Is there a driver that will create a COM1$ device without the backing hardware? (It doesn't really matter what this virtual port does - it just has to be present.)

Doug Bissett

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Re: Virtual Serial Port?
« Reply #1 on: July 12, 2025, 07:32:41 pm »
I seem to recall, that PMFAX has something, but I don't remember the details.

There is also that old "alternate" serial driver. Again, my memory fails me.

Perhaps a VBox system can do it.

HTH

Doug Bissett

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Re: Virtual Serial Port?
« Reply #2 on: July 12, 2025, 07:47:15 pm »
There is also USB serial port, if you have one.

Dave Yeo

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Re: Virtual Serial Port?
« Reply #3 on: July 12, 2025, 11:47:21 pm »
I seem to recall, that PMFAX has something, but I don't remember the details.

There is also that old "alternate" serial driver. Again, my memory fails me.


Rodent? Should be on Hobbes. http://hobbesarchive.com/Home/Download?path=/Hobbes/pub/os2/system/drivers/mouse/Rodent_1-0-13.zip which is the public domain version with source.

CalYY

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Re: Virtual Serial Port?
« Reply #4 on: October 21, 2025, 01:57:08 pm »
SIO serial port driver has vmodem.exe