CMOS数据的写程序，在WINDOWS平台下进行I/O端口的读写操作实例应用；实现CMOS数据的读取备份和写入操作，CMOS实时时钟的读取和显示功能；-CMOS data written procedures carried out under WINDOWS platform I/O port to read and write operation of examples of applications　the realization of CMOS data backup of the read and write operation, CMOS real time clock read and display functions