Implementing correct power-up sequence for Zynq-based system is not a trivial task because several power rails are involved. Bora Xpress SOM simplifies this task and embeds all the needed circuitry. The following picture shows a simplified block diagram of power supply subsystem.
'''TBD'''[[File:BoraXpressBorax-power-sequence.png | 741pxthumb|center|600px|BoraX PSU simplified block diagram]]
The recommended power-up sequence is: