MC/EM7455

Bjørn Mork bjorn at mork.no
Sat Oct 7 12:08:20 UTC 2017


Thomas Schäfer <tschaefer at t-online.de> writes:

> Hi,
>
> SWI9X30C_02.08.02.00 r5428 CARMD-EV-FRMWR2 2016/01/06 20:38:53
>
> defaults to qmi and some problems with two devices, raw-ip mode and other things. 
> But it in the end it did work on my device.
>
> T:  Bus=01 Lev=01 Prnt=01 Port=03 Cnt=02 Dev#=  5 Spd=480 MxCh= 0
> D:  Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> P:  Vendor=1199 ProdID=9071 Rev=00.06
> S:  Manufacturer=Sierra Wireless, Incorporated
> S:  Product=Sierra Wireless MC7455 Qualcomm® Snapdragon™ X7 LTE-A
> S:  SerialNumber=LQ71654052021020
> C:  #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=500mA
> I:  If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=qcserial
> I:  If#=10 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
> I:  If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=qcserial
> I:  If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=qcserial
> I:  If#= 8 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
>
>
>
> SWI9X30C_02.24.05.06 
>
> https://source.sierrawireless.com/
>
> defaults to mbim on my machine and works perfectly from the first second. (also ipv4/ipv6)
>
> T:  Bus=01 Lev=01 Prnt=01 Port=03 Cnt=02 Dev#=  4 Spd=480 MxCh= 0
> D:  Ver= 2.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> P:  Vendor=1199 ProdID=9071 Rev=00.06
> S:  Manufacturer=Sierra Wireless, Incorporated
> S:  Product=Sierra Wireless MC7455 Qualcomm® Snapdragon™ X7 LTE-A
> S:  SerialNumber=LQ71654052021020
> C:  #Ifs= 2 Cfg#= 1 Atr=a0 MxPwr=500mA
> I:  If#=12 Alt= 0 #EPs= 1 Cls=02(commc) Sub=0e Prot=00 Driver=cdc_mbim
> I:  If#=13 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_mbim
>
> So I would recommend to give the firmware update a chance.


Did the USB composition really change with the firmware upgrade?  That's
unexpected.  I have never seen that happen before.  Sure you didn't run
anything else (like Windows) which could change this setting without
asking?



Bjørn


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