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    • 2. 发明授权
    • Disk drive device and method for controlling the same
    • 磁盘驱动装置及其控制方法
    • US6041392A
    • 2000-03-21
    • US49680
    • 1998-03-27
    • Atsushi KanamaruToshio KakiharaYuhji KigamiTakahiro Saitoh
    • Atsushi KanamaruToshio KakiharaYuhji KigamiTakahiro Saitoh
    • G06F3/06G06F12/08
    • G06F12/0866
    • A disk drive and a method for controlling the disk drive in which an additional read from a medium can be performed as needed while minimizing the command overhead to the minimum. In a disk drive device 10, even if a read command is issued, and all the required data is stored in the cache memory such that the data transfer can be performed without the intervention of a local MPU 16, a HIC 15 performs the data transfer so as to leave the last one block and waits for the intervention of the local MPU 16. The local MPU 16 provides instructions to transfer the last one block when the preparation for the command termination is completed, and if a plurality of blocks of data to be transferred are remaining when the local MPU 16 instructs the HIC 15 to transfer the last one block, the HIC 15 executes all the data transfer without stopping the data transfer before the last one block, completing the command.
    • 一种磁盘驱动器和一种用于控制磁盘驱动器的方法,其中可以根据需要执行从介质的附加读取,同时使命令开销最小化至最小。 在磁盘驱动装置10中,即使发出了读取命令,并且将所有需要的数据存储在高速缓冲存储器中,使得可以在不用本地MPU 16的介入的情况下执行数据传送,HIC15执行数据传送 以便离开最后一个块并等待本地MPU 16的干预。当完成命令终止的准备时,本地MPU 16提供传送最后一个块的指令,并且如果多个数据块到 当本地MPU16指示HIC 15传送最后一个块时,HIC 15执行所有数据传输,而不停止在最后一个块之前的数据传输,完成该命令。