{{ImportantMessage|text='''For BXELK 1.0.1 or older, the boot process was based on the FSBL+second-stage bootloader (U-Boot) combination. From BXELK 2.0.0 on, the boot process is based on the first-stage bootloader (U-Boot SPL)+second-stage bootloader (U-Boot) combination.'''
* By default, ARM cores frequency is set to 667 MHz and the [[Creating and building example Vivado project (BELK/BXELK)|example Vivado project]] is implemented for a "-1" device. This choice makes the software released with the kit compatible with possible variants based on different SoM models. In this regard, see also the [[#Order codes|order codes section]].