Patent ID: 8189283
Filing Date: 2012-05-29
Classification: G11B

Abstract:
1. A hard-disk drive (HDD), comprising: one or more transducers configured to selectively write data to or read data from a rotatable medium during operation of the HDD; the rotatable medium magnetically coupled to the one or more transducers during the operation of the HDD; and control logic configured to store table information associated with a first table and a second table on the rotatable medium using the one or more transducers during operation of the HDD; wherein the table information in the first table includes internal temperatures measured during operation of the HDD; wherein the table information in the second table includes state information specifying operational states of the HDD, each operational state comprising one or more bits indicating an operating range from among a predetermined set of operating ranges and one or more bits indicating a temperature offset within the operating range; and wherein a given operational state in the second table is associated with a corresponding internal temperature in the first table.