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CNC controller and parallel port problems

Forum CPU & Components : Other Components - CNC controller and parallel port problems

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p8ntslinger676   03-15-2007 at 12:48:28 AM

me and my friend just recently bought a new controller box for our cnc machine, and seeing as I have never used a parallel port in my life for printers or anything, i dont know how to set one up to run our cnc controller from it, and i know it is not a driver issue, it just seems that the port isnt even responding when we plug in the controller box or when we open mach 3(a milling program) a little help would be greatly appriciated.

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kitchenshark   03-15-2007 at 01:14:00 AM
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Is the port by any chance disabled in BIOS? I know that with all my machines I disable the LPT port (parallel port) to free up an IRQ. Maybe the board came with it turned off? Or someone turned it off?

Just a thought off the top of my head.

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p8ntslinger676   03-15-2007 at 01:23:23 AM
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no, we went into the bios and turned it on, we are just kind of stumped and needed help

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blue68f100   03-15-2007 at 01:58:29 AM
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Have you tried changing the port protocol? Std, bi-directional, ecp
The std port does not provide 2-way communication. Just a way to stop the flow of data. The others are 2-way communications (IEEE1284). The std and 2-way do not use the same cable. But the 2way (IEEE1284) is backwards compatable.

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