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Re: 452 Communication Errors, TB270 done, errors still there SOLVED
Posted: Tue Jul 05, 2022 12:15 am
by suntravel
It looks like Lenovo with intel with Intel chip needs this, my other Lenovo with Realtek chip works fine with default settings.
Uwe
Re: 452 Communication Errors, TB270 done, errors still there SOLVED
Posted: Tue Jul 05, 2022 12:49 am
by Spartan117
ShawnM wrote: ↑Mon Jul 04, 2022 10:14 pm
Spartan117 wrote: ↑Sun Jul 03, 2022 3:56 pm
BAM, got it!
It was the setting "Speed and Duplex" in Device Manager -> Network-adapter -> advanced settings -> 10. from top (it's german here, so i can't tell you what it is called in english, exactly.
It was set so "automatic", that didn't work.
Set it to 100MBit/s full-duplex, that delivered 2800 resent packages^^
Now i set it to 100MBit/s half-duplex, and the stresstest.cnc passed without errors
In Win10 Pro it's under "Speed & Duplex" in the advanced tab for your network card. The default is "auto negotiation". The drop down box under "Value" is where you can change the value to 100 Mbps full or half duplex if it helps you.
Thank you for clarifying this!
I hope it can help someone else in the future

Re: 452 Communication Errors, TB270 done, errors still there SOLVED
Posted: Wed Jul 06, 2022 7:41 am
by ShawnM
suntravel wrote: ↑Tue Jul 05, 2022 12:15 am
It looks like Lenovo with intel with Intel chip needs this, my other Lenovo with Realtek chip works fine with default settings.
Uwe
The PC that came with my plasma table has an Intel network card and changing this setting also helped with resends. I set it to 100 mbps/full duplex for best results. The OEM setting of “auto-negotiation” is known to cause dropped packets.
Re: 452 Communication Errors, TB270 done, errors still there SOLVED
Posted: Wed Jul 06, 2022 7:58 am
by suntravel
ShawnM wrote: ↑Wed Jul 06, 2022 7:41 am
suntravel wrote: ↑Tue Jul 05, 2022 12:15 am
It looks like Lenovo with intel with Intel chip needs this, my other Lenovo with Realtek chip works fine with default settings.
Uwe
The PC that came with my plasma table has an Intel network card and changing this setting also helped with resends. I set it to 100 mbps/full duplex for best results. The OEM setting of “auto-negotiation” is known to cause dropped packets.
Would be a good addition to TB270....
Uwe
Re: 452 Communication Errors, TB270 done, errors still there SOLVED
Posted: Wed Jul 06, 2022 8:19 am
by ShawnM
suntravel wrote: ↑Wed Jul 06, 2022 7:58 am
ShawnM wrote: ↑Wed Jul 06, 2022 7:41 am
suntravel wrote: ↑Tue Jul 05, 2022 12:15 am
It looks like Lenovo with intel with Intel chip needs this, my other Lenovo with Realtek chip works fine with default settings.
Uwe
The PC that came with my plasma table has an Intel network card and changing this setting also helped with resends. I set it to 100 mbps/full duplex for best results. The OEM setting of “auto-negotiation” is known to cause dropped packets.
Would be a good addition to TB270....
Uwe
Good point Uwe, it certainly can't hurt for others to be aware of this setting. Ironically my other two CNC routers have a Realtek like yours and I've never had any resend on those machines.
Re: 452 Communication Errors, TB270 done, errors still there SOLVED
Posted: Wed Jul 06, 2022 12:39 pm
by Spartan117
suntravel wrote: ↑Wed Jul 06, 2022 7:58 am
[Would be a good addition to TB270....
Uwe
+1 from southern germany
