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What PC?????????????
Realtek is the network card, and it will be enabled automatically if no boot devices are found.
In BIOS:
-disable secure boot
-disable TPM
-enable CSM
-enable compatibility mode
And as a general rule, don't look for answers on google anymore, it is useless mostly. Look at the coresponding forums, for Debian = Debian forums, for Mint = Mint forums, etc.

Tried every net solution for days to install linuxcnc, Debian, mint... nothing works. I did get as far as completing the installation successfully a few times, only to have my clean 1TB usb hard drive not be “found” on reboot. Also not showing up in bios “UEFI Boot sources” but the drive is first under bios setup “boot order” The live versions work but not any of the installs. Tried every possible bios setting and disk partition suggestions on the net with no luck. One odd thing that may help find the problem is that “UEFI: IPv4 Realtex PCIe FE family controller” and “UEFI: IPv6 Realtex PCIe FE family controller” keep showing up even after being disabled in “boot order” bios settings. I thought realtex was just for my old HP windows 8 audio system. Even after disabling everything but the USB drive in the boot order bios, the USB drive with the OS is not found. Since the internet came out and after all the OS systems I have installed, Linux OS seems impossible to install. Some Linux user must know what the problem is, but not any I found on the net offering solutions so far have worked.Correction… I misspelled “Realtex” it is “Realtek” 
 

Ethercat Update Sun, 16th Feb 2025

Ethercat installs and kernel modules build, some will build for running kernel, some build for 6.1.x kernel, but load with just a message about tainting kernel in logs. Just need someone with Ethercat hardware to confirm operation.

OK that's a good start, all we need is someone to confirm with actual hardware.

I looked through the EL5101 docs and - did I get it right? - it measures frequency by counting number of edge rises during a 10 ms window? Could be where 10 ms comes from. Seems low resolution also, frequency will be in steps of 100 Hz.

Its been quite meany years now but I wonder if anyone has got these handy little tools working on a more recent version on Python3.x ?

Yeh, that looks OK. If Ethercat was going to fail due to unsupported kernel, you would not have got that far...

PCW wrote:

Pretty strange, seems to be a issue with the 2.9.4 binary unless it's something subtle
wrong with the hal file syntax.

Can you post you hal/ini files?

 

2.94 is just a tag in git at a (recent) given point in time. You git checkout v2.94 to get the source. Perhaps there is a dependency missing from the .Deb build instructions.
 

theres 14, 20, 26, 36, 50, 68. 50 and 68 were the only ones commonly used in computers i think.

Hmmmm there is no 26 pin SCSI connector that i can think of, they are always 50 pin IDC style or over 70 pin connectors with pretty damn small raster.
Again, pictures?
Of the connector now, at least.

well, I guess I'm waiting another 2 weeks. but I think I can at least get the servos moving and linuxcnc/ethercat running. And then maybe the rs485 spindle.

Point me to where I need to read about configuring that?

pics later. already have 2 issues.

1: the 200w servos have 11mm shafts. wft is that? I ordered couplings but they wont arrive for 2 weeks.

Second issue is i am having a hard time cinding the CN26P cables for the io from somewhere economical that doesnt take 2 months to ship. (nohting on amazon, digikeys pricing is insane, and the actual cables from omron or yaskawa are both expensive AND take 2 months.

sigh.

its just a scsi connector, youd think every computer store would have some in the back room collecting dust.

opi5 plus has 2x2.5G lan.
This board can run linuxcnc with ethernet mesa card?
Supported by mainstrean kernel?
Has anyone tested it?