The EM9191 module we have recently acquired is not recognized by Device Manager on Windows 10 or dmesg on Ubuntu 20.04LTS. I am not sure if there is a prior configuration required to operate. When plugged in, the USB module has a brief LED light, but still nothing appears to respond on host computer…

See if this helps [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 for USB). Given that the default is PCIe, does this mean th…

The thread linked seems be abandoned and was prior to the device being fully released. Are there any dev boards that I can acquire or a person of contact that help? I do not have any direct communication with Sierra representatives at this moment.

Unfortunately, the EM919x is wired in a way which makes it incompatible with any devices designed for e.g. the EM7455 by default (IMHO quite stupid design decision). If you are capable (or know someone who is) of soldering, it is fairly trivial to modify any USB-m.2 adapter board to pull the PCIe_D…

EM9191 module not recognized on Linux/Win10 host computer

IoT Modules MC/EM Series

jyijyi April 6, 2022, 3:17pm 2

See if this helps

Topic		Replies	Views
EM9191 USB Not working on Windows IoT Modules	7	1450	February 4, 2022
EM9190 Modules not detected by any OS on different computers either on USB nor PCIe MC/EM Series	13	1538	January 4, 2023
PCIE_DIS signal in EM9190 MC/EM Series	8	1945	November 4, 2023
Problems Getting EM9191 Working with M.2 to USB Adapters Development tools driver	7	1297	January 18, 2024
EM9191 USB interface not detected on Windows PC MC/EM Series	3	1089	January 9, 2023

EM9191 module not recognized on Linux/Win10 host computer

Related topics