Latency on a Lenovo M715q
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17 Nov 2024 18:53 #314685
by okielaxplyr
Latency on a Lenovo M715q was created by okielaxplyr
I am trying to set-up a Probe_Basic configuration on my mill. I have successfully loaded Axis onto a Lenovo M715q with a AMD a6-8570e r5 processor. I have disabled all of the extra stuff in the bios and have tried different linux adjustments like locking the RT to one specific core and I still get terrible latency reports of around 70000ns.
Why is probe_basic used on AMD processors only?
Am I missing something? Start looking for a different computer?
I have two of these mini computers for a mill and lathe retrofit. I really like the durable form factor.
Please Advise
John
Why is probe_basic used on AMD processors only?
Am I missing something? Start looking for a different computer?
I have two of these mini computers for a mill and lathe retrofit. I really like the durable form factor.
Please Advise
John
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17 Nov 2024 20:55 #314691
by tommylight
More info would be helpful, like parallel or or Mesa or Pico setup?
70000 might still be usable to a certain point for parallel port, it should be OK for Mesa, no idea about Pico as i never used them.
Replied by tommylight on topic Latency on a Lenovo M715q
It is not only AMD, it runs on Intel and ARM also, just the naming has stuck as AMD64 as AMD was the first to market with a 64 bit processor back in the days.
Why is probe_basic used on AMD processors only?
More info would be helpful, like parallel or or Mesa or Pico setup?
70000 might still be usable to a certain point for parallel port, it should be OK for Mesa, no idea about Pico as i never used them.
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19 Nov 2024 23:30 #314883
by okielaxplyr
Replied by okielaxplyr on topic Latency on a Lenovo M715q
Hello Tommy
I am using the following hardware.
qty 1 7I92M ethernet Anything I/O
qty 1 7I77D daughter card
qty 1 Lenovo think center M715q
I am re using the MSI servo drives, SEM servo motors and Heidenhain encoders, I plan on adding a A axis later.
Regards
John
I am using the following hardware.
qty 1 7I92M ethernet Anything I/O
qty 1 7I77D daughter card
qty 1 Lenovo think center M715q
I am re using the MSI servo drives, SEM servo motors and Heidenhain encoders, I plan on adding a A axis later.
Regards
John
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20 Nov 2024 23:24 #314953
by tommylight
Replied by tommylight on topic Latency on a Lenovo M715q
Wire stuff, set up, test.
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22 Nov 2024 18:23 - 22 Nov 2024 18:24 #315042
by okielaxplyr
Replied by okielaxplyr on topic Latency on a Lenovo M715q
hello Tommy
I am getting this error now.
Actually I have been getting this error all the time.
I am getting this error now.
Actually I have been getting this error all the time.
Last edit: 22 Nov 2024 18:24 by okielaxplyr.
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22 Nov 2024 18:26 #315043
by tommylight
Replied by tommylight on topic Latency on a Lenovo M715q
Is that base period or servo period?
In the ini file, do not change the value of servo period, it should be 1000000 (1 million).
In the ini file, do not change the value of servo period, it should be 1000000 (1 million).
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19 Dec 2024 17:45 #316997
by okielaxplyr
Replied by okielaxplyr on topic Latency on a Lenovo M715q
sorry Tommy I have been side tracked all month. I will change the base back to 1million and give it try.
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