Patent ID: 7495858

Claim:
An information processing apparatus, comprising: a hard disk drive configured to move a head to a data-free landing zone; an acceleration sensor configured to detect acceleration; and a determination section configured to obtain a low frequency component from the detected acceleration, to obtain a high frequency component from the detected acceleration, to obtain a vibration level based on the high frequency component, to compare the vibration level with a preset threshold value, and to detect a vibration mode if the vibration level exceeds the preset threshold value a predetermined number of times in a predetermined period and detect a normal mode if the vibration level does not exceed the preset threshold value the predetermined number of times in the predetermined period, to move the head of the hard disk drive to the data-free landing zone if the normal mode is detected, and to determine whether it is necessary to move the head of the hard disk drive to the data-free landing zone based on the low frequency component if the vibration mode is detected.