U-BootU-Boot is an open-source boot-loader for embedded systems. Although it can be used as both primary and secondary boot-loader, the Minimus family uses it only as a secondary boot-loader, running after our own ROM boot code. For more information, please see Wikipedia's page on Das U-Boot. boot-loader. The latest user firmware can then be installed in the usual way, restoring normal operation. This is the basis of this