An information processing apparatus includes a power switch which is turned ON and OFF for supplying and cutting off power; a power supply portion which supplies power to each portion through the power switch; an operation control portion to which power is supplied from the power supply portion regardless of the ON or OFF state of the power switch, which controls power supply to a main storage device including a built-in cache memory based on software; a measurement portion which measures temperature of a measurement target; and a power control portion which is controlled by the operation control portion and controls power supply to the main storage device from the power supply portion.