During February 2025, Phoenix Shen contributed to the telink-semi/zephyr repository by addressing a critical memory mapping issue in the Device Tree source for NPX platforms. Focusing on embedded systems and leveraging expertise in C and Device Tree, Phoenix corrected the SRAM unit-address mapping in the npcx9m7fb.dtsi file to ensure the first address in the reg property was properly used. This targeted fix resolved startup memory mapping errors, leading to more reliable device initialization and reducing boot-time failures. The work demonstrated careful debugging within the Zephyr RTOS context and improved system stability for SRAM access on NPX devices.