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    • 3. 发明授权
    • Expansible fixed disk drive subsystem for computer
    • 用于计算机的可扩展固定磁盘驱动器子系统
    • US5097439A
    • 1992-03-17
    • US626428
    • 1990-12-14
    • Edward L. PatriquinDavid G. Roe
    • Edward L. PatriquinDavid G. Roe
    • G06F3/06
    • G06F3/0601G06F2003/0692
    • An expansible fixed disk drive data storage subsystem enables attachment of multiple bus-level interface fixed disk drives to a host computer at a single us-level interface fixed disk drive input/output logiical address location. The subsystem includes an interface for direct plug-in attachment to the input/output address, data and control buses of the host computer, and an expansible plurality of disk drive clusters operatively connectable to the interface, each cluster including plural disk drive cables wherein each cable provides an electrical connection to at least one bus-level interface fixed disk drive operatively associated with the cluster; a cluster and cable selection circuit for receiving and storing cluster and cable selection values sent by the host cmputer, gated data, address and control/status lines buffers for connecting a selected cable and its disk drive(s) to the input/output buses of the host computer in response to a particular cluster and cable selection value sent by the host computer, and a disk drive interrupt status register which when set by a said disk drive within the cluster and read by the host computer indicates to the host computer that the disk drive has performed some task or requires attention.
    • 可扩展的固定磁盘驱动器数据存储子系统使多个总线级接口固定磁盘驱动器能够在单个级别的接口固定磁盘驱动器输入/输出逻辑地址位置上连接到主机。 子系统包括用于直接插入主机计算机的输入/输出地址,数据和控制总线的接口以及可操作地连接到接口的可扩展的多个磁盘驱动器集群,每个集群包括多个磁盘驱动器电缆,其中每个 电缆提供与至少一个与集群可操作地相关联的总线级接口固定磁盘驱动器的电连接; 集群和电缆选择电路,用于接收和存储由主机cmputer发送的集群和电缆选择值,门控数据,地址和控制/状态线缓冲器,用于将选定电缆及其磁盘驱动器连接到输入/输出总线 所述主计算机响应于所述主计算机发送的特定集群和电缆选择值;以及磁盘驱动器中断状态寄存器,当由所述集群中的所述磁盘驱动器设置并且由所述主机读取时,所述磁盘驱动器中断状态寄存器向所述主计算机指示所述主计算机 磁盘驱动器执行了一些任务或需要注意。