Patent ID: 6745300
Filing Date: 2004-06-01
Classification: G06F,G11B

Abstract:
A magnetic disk device comprising:means for reading and writing data by accessing a magnetic disk storage medium, and transferring to and from an external device connected to the magnetic disk device a plurality of series of mass serial data in a constant bandwidth and located serially on a plurality of tracks on such a disk; means for: storing a history of commands issued from an external device; preventing transfer of data to and from a magnetic disk, such data having a data length represented by a number of sectors requested by a command from an external device when comparison with a command history is performed on each command each time a command is received, and seriality of a plurality of commands is detected; and accessing a magnetic disk in track units as a function of a smallest access unit to a magnetic disk as a number of sectors per target track on a magnetic disk.