\setuplabframe
{U-Boot}
{
  Time to start the practical lab !
  \begin{itemize}
  \item Communicate with the board using a serial console
  \item Configure, build and install {\em X-Loader} and {\em U-Boot}
  \item Learn {\em U-Boot} commands
  \item Set up {\em TFTP} communication with the board
  \end{itemize}
}