No microSD card slots on NVIDIA Jetson Xavier NX Module

We have procured a separate NVIDIA Jetson Xavier NX Module to work with Jetson NX development kit. But we have just realized that the module doesn’t have a microSD card slot. Kindly clarify, how should we use this module if it doesn’t have a slot for microSD card. Attached is the picture of the module (rear side).

Use sdkmanager to flash the board.

Added note: The NX has two varieties, the dev kit module and the commercial module. The dev kit model has the SD card and QSPI memory because it does not have eMMC memory. The commercial module has eMMC memory, and thus does not need an SD card or QSPI. The two have to be flashed with the correct “emmc” or “devkit” name.

Look at your “Linux_for_Tegra/” directory, and examine the output from “ls jetson*.conf”. Note the names are basically a combination of which Jetson module is used and the carrier board. For example, you should see:

  • jetson-xavier-nx-devkit.conf
  • jetson-xavier-nx-devkit-emmc.conf

More specialized for non-eMMC module:

  • jetson-xavier-nx-devkit-qspi.conf
    (QSPI is used during boot on the SD card model, but does not exist on eMMC model…one can flash QSPI without flashing the SD card)

The two specs are so the flash software knows which device tree to use for the carrier board and module combination. Example flashes:

  • sudo ./ jetson-xavier-nx-devkit
  • sudo ./ jetson-xavier-nx-devkit-emmc

Note in the above no “.conf” is written, but the rest of the target is the same as the “.conf” file. Those files are human readable text, so you could examine them. These are often symbolic links pointing to a less intuitive file which is the same thing, but uses model specs in the name instead of intuitive names.

Thanks a lot. It will help. Cheers.

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