Install System to Onboard eMMC

Flash System Image

This guide explains how to use the RKDevTool to flash a system image to an eMMC.

Note: Ensure the board is in Maskrom mode and properly recognized by the system.

Windows

On Windows, open the RKDevTool and follow these steps to install the system to the eMMC.

① : Select the corresponding Loader file for your board

② : Select the corresponding system image file for your board (extract the downloaded image archive before use)

③ : Choose the eMMC option as the system storage medium

④ : Check the Write by Address option

⑤ : Click the RUN button to execute all operations

⑥ : Monitor the operation progress through this interface

Disconnect the board from the PC, then power cycle the device. The system will automatically boot from the eMMC.

Linux / MacOS

On Linux/MacOS, use the terminal command line to install the system to the eMMC.

1. Run the Loader file

Replace demo.bin with the Loader file corresponding to your board.

Linux / MacOS$

sudo rkdeveloptool db demo.bin

2. Install the system image

Replace demo.img with the system image corresponding to your board.

Linux / MacOS$

sudo rkdeveloptool wl 0 demo.img

3. Reboot the system

Disconnect the board from the PC, then power cycle the device. The system will automatically boot from the eMMC.

Linux / MacOS$

sudo rkdeveloptool rd

Boot the System

After the system installation is complete, connect the HDMI display, then re-plug the power adapter to boot the system.

①: Connect the display and the board using an HDMI or DP cable

②: Connect a mouse or keyboard using the USB-A interface

③: Power the board using a 5V DC power adapter

If the board is powered normally, the Radxa NX5 IO Board power indicator LED will light up green. The monitor will display the Android system desktop.

Note: The Radxa NX5 IO Board system status indicator LED will not light up.