EM9190 not being detected in Linux Ubuntu 20.04.5 EM9191 EM7690 EM9190 DEV KIT BOARD 5304831_REV_4 $ lsusb command in terminal doesn’t detect the EM9190 [Item: 6001349 ] Sierra Wireless 5G Development Kit. I have installed MBPL_DRIVERS_R28_ENG1-usb-src.tar suggested in Mobile Broadband Package …

did you see any new message in dmesg when you plug in the usb of the module? e.g. something like the followings: usb 2-2: new SuperSpeed USB device number 2 using xhci_hcd usb 2-2: config 1 has an invalid interface number: 4 but max is 3 usb 2-2: config 1 has no interface number 2 usb 2-2: New US…

Linux is not detecting EM9190 DEV KIT BOARD 5304831_REV_4, connected to my Linux system USB. I do not see any of the above message or similar message. Actually no message is displayed, plugging in the Dev kit board usb.

then this seems to be related to hardware. have you checked the PCIE_DIS pin? [image] PCIE_DIS signal in EM9190 MC/EM Series The EM9190 product technical specification defines a PCIE_DIS signal that allows selecting the host interface type (unconnected/low for PCIe, high …

So , from what I understood is M.2 Development kit [EM9190 DEV KIT BOARD 5304831_REV_4] by default can be interfaced by PCIe To interface by USB, the default ‘PCIE_DIS_P20’ pin = low need to be high(connected to 1.8v My Question is which Pin has 1.8 v in this board EM9190 DEV KIT BOARD 5304831_REV…

you can see this document section 5: AirPrime - EM919x/EM7690 - Development Kit User Guide This document describes the AirPrime EM9190 Development Kit (PCB board version: 53048301) and how it integrates with AirPrime EM919x/EM7690 embedded modules.

@jyijyi Thank you. Following the Kit User Guide and using USB Type-C, instead of Debug USB, USB is detected. In dmesg, I see following related terminal. BUT minicom(serial port access) access to USB, I can’t get AT command working(no response/hangs). Please help. usbcore: registered new interface …

is your minicom using /dev/ttyUSB1 for AT command communication?

@jyijyi I cannot open minicom on /dev/ttyUSB1. I received message minicom: cannot open /dev/ttyUSB1: Device or resource busy

Same for /dev/ttyUSB2? Have you added “sudo”? Did you use mbpl driver? Have you tried on windows?

Same for /dev/ttyUSB2? >>>it hangs when using /dev/ttyUSB2 [similar to ttyUSB0 , doesn’t capture the keyboard input and hangs] Have you added “sudo”? >>>with sudo also does the same. keyboard input not captured for ttyUSB0 & ttyUSB2. For ttyUSB1 can’t connect to minicom Did you use mbpl driver? >…

EM9190 not being detected in Linux Ubuntu 20.04.5 EM9191 EM7690 5G dev kit

IoT Modules MC/EM Series

jyijyi October 21, 2022, 3:25am 4

then this seems to be related to hardware.

have you checked the PCIE_DIS pin?

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EM9190 not being detected in Linux Ubuntu 20.04.5 EM9191 EM7690 5G dev kit

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