如今各大中院校拥有用于教学的微机越来越多，维护工作量很大，而且随着网络技术的应用，机房微机一般都接入校园网与ＩＮＴＥＲＮＥＴ连通，病毒的危害更显突出，要把病毒以及学生上机时有意无意的危险操作给系统、硬盘造成的危害减到最低限度，安装硬盘保护卡无疑是一种有效 Today, all major colleges and universities have more and more computers used for teaching and maintenance work is very heavy. With the application of network technology, computers in the computer lab are generally connected to the campus network and the Internet. The harm of the virus is even more conspicuous. To virus and students on the machine when the intentional or unintentional operation of the danger to the system, the harm caused by the hard disk to minimize the installation of hard disk protection card is undoubtedly an effective