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sudo ethtool works 

I have several motor controllers that are driven by differential signals (CLK, #CLK, DIR, #DIR) – the inputs (5V, Ri = 120 Ohm) are not optically isolated. At first glance, it seems that controlling it with my Mesa 7i76EU works perfectly.

For testing purposes, I'd like to use the parallel port or possibly a RP2040 – in addition, I have a "Benezan Mini Breakout Board" left over from a previous setup that I could use.
It would be great if there were a solution for this.

probably needs sudo ethtool

I installed ethtool and I am still getting command not found 

I did a video recently about this

Yes, the network is not setup properly (no fixed IP address)
 

sudo apt install ethtool
-
And the network is not set up properly or not connected???

I get command not found for some reason 

It sounds like the maybe Ethernet on the host has power management or enabled or something similar

what does:

ethtool --show-eee [ethernet device name]

report?

[ethernet device name] is the name of the Ethernet device connected to the 7I76E,
something like eth0 or eno1. You can get the device name from a the results of
the command

ip a



 

This problem has always been there, it is a new build I just completed last week and I have gotten this error from the start.

OK, the /INIT LED is illuminated on the 7I76E which means this is not a 7I76E power issue
but either a host or 7I76E network issue. (The /INIT LED indicates a watchdog bite)

Is this a new problems or has it always been there?

I disconnected all power supplies except for the one powering the mesa board and I still get the same error every 45 seconds. 
These are the lights on the mesa board 

When is disconnects, is the init light illuminated on the 7I76E?
 

tommylight wrote:

Can you power off the machine and leave only Mesa powered?

I turned everything off except the PC and it no longer disconnects on its own and it doesnt show my mesa connection. But when I turn the mesa board and the machine on it starts disconnecting again every 45 seconds. So now I think you guys have a good point and maybe this could be hardware related.