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Thank you so much ! Exactly what I need.

Compaq? So that is roughly 15-20 years old, giving two possible issues:
-an NVIDIA add on graphic card
-one of the Intel 915 graphic cards built in the chipset
The first is easy, just yank out the card and use the onboard graphic...that might be the 915 and has issues with Linux and was fully blacklisted at one point in time.
Still, there are options:
-power on the PC
-hold down the right side SHIFT key till you see the GRUB menu
-press E to enter editing the boot options
-there should be "quiet splash" on one of the lines, add "nomodeset" after the quiet or splash
-press F10 to boot
Does that work?

The last error message (whilst I was sorting out the copying of stuff into the .ini file - not getting any at present) had this:

Traceback File "/usr/lib/python3/dist-packages/qtpyvcp/plugins/notifications.py", in timerEvent error = self.error_channel.poll() ^^^^^^^^^^^^^^^^^^^^^^^^^ linuxcnc.error: Error buffer invalid

... not sure if any relevance.

All secondary pin function channels are numbered 0..N
(the primary function of each pin is GPIO)

 So if you have 6 stepgens, they would be numbered 0 to 5.
And if you had 2 PWM generators or encoders  they would be numbered 0 to 1.
 

There is no software support package for the 7I89,as it is a passive daughtercard.

Here is firmware for a 7I96S with a 7I89 on  P1:

 

PktUART (V3) on the 7I96s and SSerial channel 0 on the 7I89.
 

$ qtpyvcp -i

QtPyVCP Info
Version: 5.1.0+14.gba8f741e

LinuxCNC Info
Version: 2.9.8

Qt Info
Qt Version: 5.15.8
Qt API: PyQt5
Qt API Version: 5.15.9

System Info
Description: Debian GNU/Linux 12 (bookworm)

Kernel: 6.1.0-30-rt-amd64
Version: #1 SMP PREEMPT_RT Debian 6.1.124-1 (2025-01-12)
Ram: 7 GB

CPU Info
Vendor ID: Intel(R) Core(TM) i7-6700 CPU @ 3.40GHz
Architecture:
Physical Cores: 4
Logical Cores: 8

@grandixximo 
Unfortunately, the Jitter/Clunking came back, even though dc-phased is on. 

If the Num column indicates channel if the numbers are one digit long, and the pins associated with the 0 channel are for the x-axis, why is the PWM signal for the spindle and associated encoders also on channel 0 in this screenshot of the PcCConf wizard?

Hi everyone,The download link for the 7i89 firmware/support package on the Mesa website appears to be broken, and I couldn’t find any information about a firmware variant that includes pktuart, and I couldn't find one in the 7i96s package. Would it be possible to make a firmware for 7i96S with 7i89 connected on P1, pktuart enabled (for VFD/Modbus use) on the 7i96s ?  Thanks a lot,
tar

I have now gotten the tool changer working mechanically and electrically tied in with LinuxCNC. 


Next step is to set up the carousel comp. Since my lathe is still running 2.8.2, and I never updated it, the version of Carausel.comp will still be the one with the bugs identified here...
www.forum.linuxcnc.org/10-advanced-confi...carousel-toolchanger

I see three options.
1/ patch the carousel I have and recompile it
2/ download the current carousel.comp from github and compile it.
3/ upgrade my full installation from 2.8.2 to 2.9.8, and then the current carousel will already be covered.

linuxcnc.org/docs/html/getting-started/updating-linuxcnc.html
I read the wiki that it is recommended to do a clean install, but I am hestitant to do that with a working system. Wish me luck.
Cheers,
Mark
 

Hi smc.collins,

Hello smc.collins,
As an occasional user of FreeCAD, I feel exactly the same way. The topology problem isn’t intuitive to grasp. These issues also existed—and still exist—in the professional CAD software “Catia V5”! But the software handles them differently. It shows me which references are incorrect or no longer exist. FreeCAD doesn’t do that yet. Mango Jelly has uploaded a video to YouTube that gives us users a better understanding and shows a way out of the topology problem traps. I also wonder what the topology problem has to do with CAM... 
Solidworks and MasterCam is an exellent Combination.

 
Hi all,

I am developing a 4-axis foam cutter using a Bigtreetech Octopus Pro V1.0.1 F429 connected to a Raspberry PI5 via SPI.
I have amended the Config.txt file, the .hal and .ini, and named the axis as X, Y, A and U.

What happens is the following:
1- X and Y axis work fine.
2- If I try to move the A-axis, then both A and U move.
3- If I try to move just the U axis, then nothing happens.

What am I missing?

I have attached the board pin mapping, the Config.txt and my .hal and .ini files, which were modified from those in the remora "ConfigSamples"  directory.

Cheers
Pier


 

Hi i can get cheap a q6a with 8gb ram. I read that its more powerful then a raspberry pi 5.

But here i cant find Informations.

Is it useless for us?

Thanks

Haha read-check
Ten times more than I got, still only 30 mikroseconds.
Could be enough if you are close to the limit. But you shouldn't be, I guess. Are you?

Record position feedback and commanded position when the clunk happens.
There ought to be something.

Hakan wrote:

Record lcec.0.pll-err with halscope. Should stay low.

as i said it bounces plus or minus 30000 or so