| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hard disk drive device 20 having an emulation function from/to which a data size bigger than a data size accessed from a host is read/written and capable of improving the writing speed. <P>SOLUTION: A hard disk drive device 20 comprises; a disk 32; cache memory 34 for temporarily storing management data M/D; and a controller 36 for controlling reading and writing. The controller 36 performs; pre-storing data of 4K bytes including the management data of 512 bytes stored on the disk 32 in the cache memory 34; updating the management data stored in the cache memory 34 with the management data from a personal computer 10 according to a data-write instruction; and writing data, by 4K bytes, including the updated management data M and stored in the cache memory 34 on the disk. <P>COPYRIGHT: (C)2012,JPO&INPIT |
