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Yeah I'd take what that user says with a grain of salt, unfortunately he can be a little unreliable or completely off the mark.

Try this command to see what is installed

Confirmed is a SW issue.

I replaced the hy_gt_vfd driver with mb2hal, which is a generic modbus HAL component, no HW changes, and it works.

nice....thanks

For configurations with specific daughtercards, the daughtercard 
name is included in the file name and you can use the .pin file
to determine the content and pinout of the firmware, for example
the 7i76eu_7i76x1_pktv2d.pin file shows that the configuration
includes a V2 PktUART ( the TX and RX halves )

Thx.
Just out of curiosity…
Is there an overview what all those firmwares do / are meant for?

Or how could I have found that out myself?

Regards

7i76eu_7i76x1_pktv2d.bin 

Would be the correct firmware

You will also need to update LinuxCNC to the lastest version
sine the hm2_modbus driver is quite new.

 

this post says that vnc is preinstalled.

forum.linuxcnc.org/38-general-linuxcnc-q...time?start=30#328405

however - thx for your feedback, I will just manually install one.

thank you.
I know I need to update / flash my 7i76eu.
The "bundle" from your webpage contains 20+ different firmware files... I would assume that 7i76eud.bin/pin are the correct ones, right? (for a standalone 7i76eu without any extensions)

This should work for 2.8 and up, notice the hal command at the end for refreshing the Gremlin (plotter).

Thanks. With you and juliankoenig and the links, I have plenty to work with.
I really appreciate you guys taking time to reply and share your knowledge.

Not really what I wanted, but I think it will work.
Thanks for the link to the example code.
Thanks for your help.

I recall there was chat about including it, i was against it as it is a huge security risk and not required for machine control.
-
If it is included, it does require setting up the password for VNC explicitly, at least it did 10 or more years back.

The ICE40 module is very nice, unfortunately for us living in Australia the $34 module has an $86 shipping fee, then converted to AUD it will be close to $190 AUD...the ECP5 kit will land here for about $100, and has a lot more IO. 

When you say programming the ECP5 is slow, is that via USB within Riocore and are we talking minutes or half an hour ? I can stock extra coffee ! 

Cheers.
Russell.

I'm not too sure if that's the case, would be interesting to see the source of that info.
Your best bet would be to search for setting up a vnc server on Debian, ignore any AI generated answers.
For reference the Linuxcnc ISO is just a normal Debian one that has been customised with a realtime kernel and the required Linuxcnc packages, so basically any info that pertains to Debian is relevant.
There maybe some threads but you would have to really look for them.
Mind tho it's not the best of ideas to operate an unattended machine via vnc. In fact I feel it's not the best of ideas to leave a home built CNC machine running unattended, this also applies to something you may buy at the very lower end of the spectrum.
From memory, vnc won't let you be logged in at the machine and log in remotely, or it maybe tiger.

TBH this is not really an Linuxcnc issue but a Hyper-V Debian issue as the standard Debian installer is used.
What you can try is to install Debian bookworm from a Debian ISO with XFCE desktop then follow the instructions in the Linuxcnc docs to install the Linuxcnc packages. This is about the best suggestion I can come up with.
Personally I use VirtualBox, as it's basically flawless.