A system includes a first device; an Integrated Drive Electronics (IDE) bus; and a data storage device having a first task file register, the data storage device being coupled to the first device via the IDE bus for storing data within the data storage device as received from the first device via the IDE bus, or for passing the data stored within the data storage device to the first device via the IDE bus according to commands passed from the first device via the IDE bus. The data storage device is further for controlling predetermined operations of the first device by storing different values within the first task file register, and the first device is for reading the first task file register of the data storage device via the IDE bus and performing the predetermined operations according to the different values.
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