# Zephyr - Booting [TOC] ## References ### [What Does a CPU Do Before Going to Work (in an Embedded System)? - Josef Holzmayr, Mender.io](https://youtu.be/bAPMFdD6-6g) {%youtube bAPMFdD6-6g %} ### [Zephyr 101 - SYS Init and Parsing JSON (11:57~FIN)](https://youtu.be/PMeH2ur7szU?t=717) {%youtube PMeH2ur7szU %} ### [Zephyr Project: RTOS Start-up and Initialization Flow - David Leach, NXP](https://youtu.be/tAH5fy0rSo4) {%youtube tAH5fy0rSo4 %}