The paper discusses a technology to realize access to physical memory and I/O interface by using the device program development Kit(DDK) supported by Windows NT.

• 文章论述了一种在WindowsNT4.；0下利用NT设备驱动程序开发包(NTDDK)访问物理内存和I/O口的方法；经过实践检验此方法有较强的使用价值。