Information storing device

摘要

An information storing device, comprises: a disk-shaped memory medium (2); a motor (3) rotatably supporting the medium; a motor driving circuit (4) to drive the motor; a read or write head (5); a head driving mechanism (6) to drive the head; a head driving circuit (7) coupled to the head driving mechanism; and a CPU (8), coupled to both the head driving circuit and the motor driving circuit, including a head seek time selecting function (15) to select one of a plurality of seek modes according to a command from a higher rank device. <IMAGE>