Patent ID: 8732502

Claim:
An electronic device with a serial ATA interface connectable to a host via a serial ATA bus, comprising: an execution module configured to execute a command which is configured to designate a portion of the electronic device in a specific power saving mode, the command being output from the host, the specific power saving mode being one of power saving modes which differ in type from a power saving mode for the serial ATA interface; a reporting module configured to report completion of execution of the command to the host; and a control module configured to control setting of a slumber mode or a partial mode as the power saving mode for the serial ATA interface after the reporting, the slumber mode or the partial mode being related to the specific power saving mode, and wherein: the control module comprises a timing module configured to determine a period required from the time of the reporting to the time when the slumber mode or the partial mode is set; and the control module is configured to control setting of the slumber mode or the partial mode after the determined period elapses from the time of the reporting.