设计了一种双硬盘物理隔离卡的实现方案,详细介绍了基于PCI总线的物理隔离卡的隔离原理、硬件组成及控制程序的设计。该方案采用先进的物理隔离技术和网络连接控制技术,可对连网计算机的SATA硬盘信息实施有效的保护。 Design a double hard disk physical isolation card implementation scheme, detailing the isolation principle of the physical isolation card based on the PCI bus, hardware components and control program design. The program uses advanced physical isolation technology and network connection control technology, networked computer’s SATA hard drive information can be effectively protected.