atfs Docs Download
How-to guide

Flash a card with balena Etcher

You will write the atfs SD-card image to a card with balena Etcher.

This page only applies when you deploy to an SD-card device.

balena Etcher is a free tool for writing a disk image to an SD card or USB drive. It runs on Mac, Windows, and Linux.

  1. Download the .img file for your board.
  2. Install balena Etcher.
  3. Insert the target SD card into your computer.
  4. Open Etcher.
  5. Click “Flash from file”.
  6. Select the .img file.
  7. Click “Select target”.
  8. Choose the SD card.
  9. Click “Flash”.
  10. Wait for the write and verify to finish.

Warning

Etcher erases the entire target drive. Double-check you selected the right one before you click Flash. This step cannot be undone.

Once flashing finishes, eject the card. Insert it into your board.

A freshly flashed card boots with no owner set. Configure it either before or after this step. See Use the setup tool or DIY editing.

Power on the board. See Is it healthy? to confirm it booted.