本文简要叙述了我院和1915所共同研制的磁盘驱动器的接口和控制逻辑的设计思想及一些实际问题。介绍了磁盘控制器和驱动器之间的信号关系和连接方式;叙述了驱动器正常寻道操作,读写操作,自动加电,自动去电以及一些护保措施的原理和工程实现。 This article briefly describes the design ideas and some practical problems of the interface and control logic of the disk drive jointly developed by our hospital and 1915. Describes the signal relationship and connection between the disk controller and the driver; describes the principle and engineering of the driver’s normal seek operation, read and write operation, automatic power-on, automatic power-off and some protection measures.