Board: EMB-BT1
Prerequisites
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Before flashing an EMB-BT1 board with KOS Bootloader, ensure your Mac or Windows machine has the necessary software installed
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For macOS, please refer to Prerequisites for macOS
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For Windows, please refer to Prerequisites for Windows
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You will also need the following hardware
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A Windows or Mac machine with a USB Standard-A port (or the with supported USB hub or adapter)
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USB type-A flash drive.
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The EMB-BT1 board set up with a USB keyboard connected.
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Step 1: Download the bootloader
Navigate to the KOSDev Download Page here, download the ‘EMB-BT1 bootloader’.
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In macOS, the file is automatically unarchived, and the *.img file will be in the download location.
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In Windows, the user must unarchive the downloaded file and use *. img for flashing.
Step 2: Prepare the USB drive
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Connect the USB flash drive to the Mac / PC.
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Start the Disk imaging software (Balena Etcher or RPi Imager) installed in the machine.
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Locate and select the ‘.img’ and select the inserted flash drive.
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Follow instructions Balena Etcher or RPi Imager to flash the image to the flash drive.
Step 3: Install bootloader on the EMB-BT1 board
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Insert the flash drive into the EMB-BT1 board.
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Connect a USB keyboard to the EMB-BT1 board.
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Press the ‘F7’ key from the keyboard while the board is booting
This will display the boot device selection screen.
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Select the USB flash drive partition using the keyboard’s up/down arrow key.
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Hit enter from the keyboard.
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Flashing the EMB-BT1 board will happen automatically.
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Wait for the following log message confirming the flashing is successful.
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‘Installation complete. Remove installation media and reboot.’
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Step 4: Verify Installation
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Turn off the power to the board
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Remove the flash drive from the EMB-BT1 board.
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Connect the HDMI monitor.
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Connect the Ethernet cable to the EMB-BT1
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Power up the EMB-BT1 Board RPI-4 and wait for a few seconds to boot up.
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The screen should show “Node Manager,” and the IP should be displayed.
