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Old 30th June 2008
deadeyes deadeyes is offline
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Default Parallel to USB cable on FreeBSD? + virtualisation?

Hi all,

I noticed that I don't have a parallel port on my new computer, but I still use a HP 5P Laser Jet on the parallel port.

So I thought I could buy a converter for this. However, I wonder if this will work under FreeBSD.

Also, if I connect my printer to the host, will I be able to use it in a virtual machine? Something I maybe want to do with my FreeBSD as guest os.

Greetings and thanks in advance!
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Old 30th June 2008
BSDfan666 BSDfan666 is offline
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I think USB-to-parallel is standardized, all of the BSD's have a ulpt(4) driver.

QEMU has the -parallel option, so the command on FreeBSD might be:
% qemu (options) -parallel /dev/{ulpt0 or unlpt0}

I'm not sure which one you must use, but you'll need to make sure you have the correct permissions to access that device node.

I hope this helps
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Old 30th June 2008
davidgurvich davidgurvich is offline
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Instead of a parallel->usb converter, get a print-server or switch that has a parallel port.
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Old 30th June 2008
BSDfan666 BSDfan666 is offline
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Quote:
Originally Posted by davidgurvich View Post
Instead of a parallel->usb converter, get a print-server or switch that has a parallel port.
It's good to make suggestions, but that's not what the OP asked.
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Old 2nd July 2008
deadeyes deadeyes is offline
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Quote:
Originally Posted by BSDfan666 View Post
I think USB-to-parallel is standardized, all of the BSD's have a ulpt(4) driver.

QEMU has the -parallel option, so the command on FreeBSD might be:
% qemu (options) -parallel /dev/{ulpt0 or unlpt0}

I'm not sure which one you must use, but you'll need to make sure you have the correct permissions to access that device node.

I hope this helps
Thank you for your clear answer!

Any idea if this is possible with Xen as hypervisor and fully virtualized FreeBSD?

davidgurvich: it's a nice proposal, but BSDfan666 just told exactly what I thought
Thanks for the effort though!
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