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Doesn’t work. Says “does not have release file”

Hi,
I have a Sherline 5400 CNC that has been in storage and I am planning on getting it up and running again (it's been some years).  I am computer shopping and weighing options and looking into what has changed.  My previous setup was a PC Tower with a Parallel port running to a Gecko 540.  Instead of replacing that setup in-kind, I am looking into using a small form factor (or mini) computer with a MESA ethernet card.  Am I understanding things correctly that I can use a small/mini computer with ethernet, run it to a MESA 7i92TF, which in turn runs to my Gecko 540 (thereby skipping a PCIe parallel port card)?  Also do I need to worry about male/female couplings for the MESA DB25 (7i92TF vs 7i92TM) or can it be managed with gender changers (not ideal) or are there signal considerations with gender changers?  Finally, to confirm, I should be using the preempt-RT kernel if I am going to use MESA ethernet?
 
I have been reading here and the docs, but I am still a little overwhelmed playing catchup and appreciate any guidance before I purchase a PC and MESA Card.

Thanks,
Tom 

aaron wrote:

How am I running a raspberry pi all of a sudden?

You are not, it is a remnance of a Debian f@kup that is still dragging on.

aaron wrote:

Is it possible to install a nvidia graphics card and still use Linuxcnc?

Most probably not, proprietary NVIDIA drivers did not work at all on RT-Preempt kernel last i tried over a year ago.
You are welcomed, always.

I have read your description on usinages.com (I'm french).
I have bought Delta motors from Movitecnic in France, they are really helpful and have good prices.
I used Leadshine on stepper system only, it was ok.

Not exactly sure but i think that is the wrong buildbot, try
buildbot.linuxcnc.org