Patent ID: 7681058
Filing Date: 2010-03-16
Classification: G06F,H04N

Abstract:
1. A power supply control method for an information processing apparatus, comprising: saving information stored in a volatile storage unit into a nonvolatile storage unit, when said information processing apparatus enters a hibernation state; stopping an operating system working in said information processing apparatus; setting first information indicating that said information processing apparatus is in a standby state through a process executed independently of said operating system; setting said information processing apparatus in the standby state after setting said first information through said process executed independently of said operating system, to hold information on a peripheral device in said volatile storage unit; checking whether or not said first information exists when said information processing apparatus is activated; calling said operating system after checking the information on the peripheral device in said volatile storage unit and restoring said information saved in the nonvolatile storage unit into the volatile storage unit through said operating system, if said first information exists; entering said information processing apparatus into a turn-on state; and, entering said information processing apparatus from the hibernation state into the turn-on state, if said first information does not exist.