For meeting the needs of users on the storage system product that is high performance and low cost, in this paper, the OS device driver of a new storage peripheral that is SATA Hard-Disk and ADMA controller has been designed and implemented under Linux OS. 为了满足用户对存储系统产品的高性能及低费用的需求,设计和实现了一种新型存储外设的操作系统驱动,该存储系统采用SATA磁盘及ADMA控制器并基于Linux系统。