说明：  atapi5 协议，是对硬盘/光盘进行编程的规范性文档。目前很多硬盘加密的程序都是基于该文档协议进行实现的。
(atapi5 agreement, is a hard disk/CD-ROM program of normative documents. At present a lot of hard disk encryption procedures are based on the document to achieve agreement.)