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You need both the correct firmware on the 5I25 (or 5I25T) and the 7I77
connected and fully powered before the 7I77 will be detected.

Suggested 5V power arrangement is:

5I25 W2 down    ( No P3 5V power)
5I25T W3 down  ( No P3 5V power)

7I77 W5 right (no cable 5V power)

5V supplied to 7I77 TB1

Note that the firmware for the 5I25T and 5I25 is different and not interchangeable.

If you ordered the 5I25/5I25T with a 7I77 from Mesa, the 5I25/5I25T would normally
have been pre-configured for use with the 7I77

In any case you can look at the pinout of the firmware with:

sudo mesaflash --device 5i25 --readhmid > pins.txt

or 

sudo mesaflash --device 5i25t --readhmid > pins.txt

and post pins.txt here for confirmation


Note that the error has nothing to do with either the 5I25 or 7I77
but rather some issue with hal_input


 

Greetings everyone, I am starting a retrofit on an older maho MH800E following some of RotarySMP's documentation. I have purchased quite a few mesa cards (5i25 w/7177, 7i74, 7i73, and 7i84) I am just trying to get familiar with all of this stuff as I have never done a linuxcnc project before. I am good with wiring and I know enough about programming stuff but I am having a hard time getting the computer to talk with the 7i77. it appears to be seeing the 5i25 just not anything else. I bought the kit of both 5i25 and 7i77 so I assumed the firmware would be the right one but I have read elsewhere this may not be the case so possibly need to get some new firmware installed. I could also be doing the config wrong as I was a bit confused when it was asking about the 2x7i77 with one 7i77 that is what I picked. and before that it asked about parports I assumed it was asking if I was going to use a combination of parallel ports with the mesa cards? it could be referring to the ports on the 5i25 but again I was unfamiliar with this stuff. Any tips or suggestions would be very helpful