Disk drive and method having cost-effective storage of the disk drive's internal program code
    1.
    发明授权
    Disk drive and method having cost-effective storage of the disk drive's internal program code 有权
    磁盘驱动器和方法具有高性价比的存储磁盘驱动器的内部程序代码

    公开(公告)号:US07440214B1

    公开(公告)日:2008-10-21

    申请号:US10427484

    申请日:2003-04-30

    IPC分类号: G11B15/18

    CPC分类号: G11B5/5965

    摘要: Disclosed is a disk drive having a disk, a masked read-only memory (ROM) device, a reprogrammable nonvolatile memory device, and a microprocessor for executing program code. The disk has a magnetic data storage surface with embedded servo wedges for defining data storage tracks including reserve tracks. The masked ROM device stores program code for implementing a spindle motor controller, program code for implementing a portion of a servo controller for track following along a data storage track, and program code for implementing a portion of a disk controller for controlling writing disk data to and reading disk data from the reserve tracks. The reprogrammable nonvolatile memory device stores data parameters relating to the disk drive's configuration. The reserve tracks store program code for implementing a cache control system for controlling caching of disk data in a cache memory.

    摘要翻译: 公开了一种具有盘的磁盘驱动器,掩蔽的只读存储器(ROM)器件,可再编程的非易失性存储器件以及用于执行程序代码的微处理器。 磁盘具有带有嵌入式伺服楔的磁数据存储表面,用于定义包括备用轨道的数据存储轨迹。 被屏蔽的ROM设备存储用于实现主轴电动机控制器的程序代码,用于实现沿着数据存储轨道跟踪的伺服控制器的一部分的程序代码,以及用于实现用于控制将盘数据写入的盘控制器的一部分的程序代码 并从备用磁道读取磁盘数据。 可编程非易失性存储器件存储与磁盘驱动器配置相关的数据参数。 储备跟踪存储程序代码,用于实现用于控制高速缓冲存储器中的磁盘数据的高速缓存的高速缓存控制系统。