本文主要介绍野战计算机无线网络系统中担负协议转换和无线子网控制任务的网控器的设计与实现，同时还介绍了改造通用计算机主板的方法和实现过程。 This article mainly introduces the design and implementation of a net controller that performs protocol conversion and wireless subnet control tasks in a field computer wireless network system. At the same time, it also introduces the method and the process of rebuilding a general-purpose computer motherboard.