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Install kOS Bootloader

Board: HMI3

Prerequisites

  • Ensure your Mac or Windows machine has the necessary software installed.

  • You will also need the following hardware.

    • A Windows or Mac machine with a USB Standard-A port (or the with supported USB hub or adapter)

    • USB type-A flash drive.

    • The HMI3 board is set up with a USB keyboard connected.

Step 1: Download the bootloader

Navigate to the KOSDev Download Page, and download the ‘HMI3 bootloader’.

  • In Mac OS, the file is automatically unarchived, and the *.img file will be in the download location.

  • In Windows, the user must unarchive the downloaded file and use *. img for flashing.

Step 2: Prepare the USB drive

  1. Connect the USB flash drive to the Mac / PC.

  2. Start the Disk imaging software (Balena Etcher or RPi Imager) installed in the machine.

  3. Locate and select the ‘.img’ and select the inserted flash drive.

  4. Follow instructions Balena Etcher or RPi Imager to flash the image to the flash drive.

Step 3: Install bootloader on the HMI3 board

  1. Insert the USB-A thumb drive into one of the USB-A ports of the HMI3 board.

    boardImage 01
    Figure 1.

  2. Switch on the board.

  3. The bootloader will install automatically and wait for the installation complete message on the screen.

    Installation complete. Remove the Installation media and reboot.

  4. Now remove the thumb drive and reboot the HMI3 board.

  5. The board will boot with the KOS bootloader.

Step4: Verify installation

  1. Turn off the power to the board

  2. Connect the HMI 3 board with ethernet.

  3. Power up the board and wait for a few seconds to boot up.

  4. The screen should show “Node Manager,” and the IP should be displayed.

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