以单板形式建立实时的嵌入式计算机的尝试，比以前有所增加，而且日趋活跃。在通信、控制、医疗、运输以及其它许多领域里，都在应用单板基的系统。而其基础，则是基于标准总线规格的许多种单板产品的发展，与之有关的话题有提高性能、增多功能、引入丰富的ＧＵＩ（图形用户接? Attempts to build real-time embedded computers in the form of veneers have grown and are becoming more active than ever. In the communications, control, medical, transportation and many other areas, the application of veneer based system. And its foundation, it is based on the standard bus specification many kinds of veneer products development, the related topic has enhances the function, increases the function, the introduction abundant GUI (the graphical user connects?