Patent ID: 8762750
Filing Date: 2014-06-24
Classification: H04N

Abstract:
1. An information processing apparatus for handling a request to access a storage device in a power saving mode without activating a main CPU comprising a receiving unit that receives data, a first storage unit which is nonvolatile, and a second storage unit which is nonvolatile, the information processing apparatus operating in a plurality of power modes including a first power mode in which power is supplied to the receiving unit, the first storage unit, and the second storage unit, a second power mode in which power is supplied to the receiving unit, and is not supplied to the first storage unit and the second storage unit, and, a third power mode in which power is supplied to the receiving unit and the first storage unit, and is not supplied to the second storage unit, the information processing apparatus further comprising: a first writing unit that writes, when the receiving unit receives the data in the first power mode, the received data into the first storage unit and the second storage unit; a second writing unit that, in a case that the receiving unit receives the data when the information processing apparatus is in the second power mode, switches the information processing apparatus to the third power mode and writes the received data into the first storage unit, and, in response to completion of writing the received data into the first storage unit, switches the information processing apparatus to the second power mode; and a third writing unit that writes, when the information processing apparatus is changed to the first power mode, the received data, which was written into the first storage unit in the third power mode, into the second storage unit.