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Setting up the Nvidia Jetson Orin Nano
======================================

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*This document is based entirely on the* `Jetson Orin Nano Developer Kit Getting Started Guide <gettingstarted_>`_ *, and is included here for convenience. All credit belongs to Nvidia.*

Before getting started, make sure you have the following items:

- 64+ GB microSD card (and adapter if host PC does not have a built-in SD card slot)

- USB keyboard and mouse

- Computer display and DisplayPort cable

- USB cable


Write Image to the microSD Card
+++++++++++++++++++++++++++++++

1. Open the terminal and insert the microSD card, then enter the following command:

.. code-block:: console

    $ dmesg | tail | awk '$3 == "sd" {print}'

*For example, the microSD card may be assigned as** ``/dev/sda``

2. Write the zipped SD card image to the microSD card using the following command:

.. code-block:: console

    $ /usr/bin/unzip -p ~/Downloads/jetson_nano_devkit_sd_card.zip | sudo /bin/dd of=/dev/sd<x> bs=1M status=progress

*Replace* ``/dev/sd<x>`` *with the proper name assigned to the microSD card*

3. Once the ``dd`` command finishes, eject the microSD card with the following command:

.. code-block:: console

    $ sudo eject /dev/sd<x>

*Replace* ``/dev/sd<x>`` *with the proper name assigned to the microSD card*

Then, physically removed the microSD card from the host PC.


.. note::

    Image flashing tools like `balenaEtcher <etcher_>`_ also work, but we prefer the terminal to relying on 3rd-party software.


Setup and First Boot
++++++++++++++++++++

1. Insert the microSD card (with the system image already written to it) into the slot on the underside of the Jetson Orin Nano
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2. Power on the computer display and connect I/O devices (DisplayPort cable, USB keyboard and mouse). Then connect the power supply to the Jetson Orin Nano Developer Kit.
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3. A green LED next to the USB-C connect will light as soon as the developer kit powers on. Follow the initial setup:
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    a. Review and accept Nvidia Jetson sofware EULA
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    b. Select system language, keyboard layout, and time zone
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    c. Connect to Wireless network
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    d. Create username, password, and computer name
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    e. Log in
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.. _gettingstarted: https://developer.nvidia.com/embedded/learn/get-started-jetson-orin-nano-devkit#intro

.. _jpsdk: https://developer.nvidia.com/downloads/embedded/l4t/r36_release_v4.3/jp62-orin-nano-sd-card-image.zip

.. _writesd: https://developer.nvidia.com/embedded/learn/get-started-jetson-orin-nano-devkit#write

.. _etcher: https://etcher.balena.io/