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Ok that's been known not to work, the 16GB is a new board and you have been only the second user to bring up an issue.

I've just upload a new image, not tested on 16GB model but 4GB. It may work on the 16GB model.
forum.linuxcnc.org/9-installing-linuxcnc...5-test-images#319747

All images have been tested on a 4gb Rpi5 bought int Nov-Dec 2023, updated with latest EEPROM. Not official images by any length. It is recommended to use Balena Etcher. Rpi Imager has had issues with the images built by the program suite used to build the images.

Saturday 1st Feb 2025
The image below is not recommended for use and is only being left for historical reasons.


Friday 24th Jan 2025
This one has Mate Desktop, latest Linuxcnc Packages built from 2.9 source, ie: has hm2_spix driver. SPI enabled by default, no messing with config file. 6.12.10 rt kernel
drive.google.com/file/d/1EnvDj8BY6zotSFk...E70/view?usp=sharing

The below packages are installed in the image.

Linuxcnc packages available here if anyone is interested.
github.com/ozzyrob/rpi-linuxcnc-packages...62642dde63_arm64.deb
github.com/ozzyrob/rpi-linuxcnc-packages...62642dde63_arm64.deb

Mesaflash 3.5.10
github.com/ozzyrob/rpi-linuxcnc-packages...ash_3.5.10_arm64.deb

Just bought it. 16gb

It's a one to one connection. Pin 1 to Pin 1 etc. The wire with the red tracer is pin 1.

Ok 120GB is going to relate to storage not ram.

What is the spec of your RPi5 ?
What image did you try ?
How old is your Rpi5, when did you buy it ?
Could you possibly take a picture of the screen ?

I cant get Linuxcnc to boot  on pi 5. 4 skulls and page full of text. what am i ding wrong? 120GB pi 5 

That worked thank you!

I am now getting a "joint 2 on limit switch" error when i try to jog the machine on start up. The only other thing that changes is i went from gmocappy to axis (since i no longer have a touch screen).

I went to hal show and tested all three (still waiting on the fourth) limit switches and both estops do what they should.

Should i undo the "-not" ? If that was the case shouldn't it be all the joints?