Is there any solution to config module “USBCOMP” value without ttyUSB* when my module USBCOMP value changed, the ttyUSB* port disappear, and i can not make any communication with module. i’ll need to config this module in windows machine, this make a lot effort to me.

The information is not clear, Which module are you using? What value before you config? What value are you setting in at! usbcomp

Which module are you using? i have several different module, include EM7511, MC7430, EM7455 What value before you config? each module have different setting, for example MC7430 is “10D” i won’t config it, if it is function well. but some how the config value seems changed by different driver. …

What do you set for “the only solution is to set the original setting under windows system”?

i’ll use putty send AT command to communicate with com port under windows system. AT!ENTERCND=“A710” AT!UDUSBCOMP=? AT!UDUSBCOMP=7(i’ll select item support AT and avoid MBIM,QMI) AT!RESET after these step, the ttyUSB* and module will works well in linux system (i’m not sure if this is the corr…

here says you can stop WNDOWS forcing module to MBIM mode: [image] Windows 8.1/10 Hates QMI... Ideas anyone? MC/EM Series So, I’ve noticed that Windows 8.1/10 doesn’t seem to like QMI interfaces all of a sudden now and it had caused a massive headache for most of us becau…

Config module without ttyUSB*

IoT Modules MC/EM Series

jyijyi October 8, 2019, 1:41am 6

here says you can stop WNDOWS forcing module to MBIM mode:

I remember it worked for Build4297

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Config module without ttyUSB*

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