COMPUTATION PROCESSING DEVICE AND CONTROL METHOD THEREOF

摘要

In order to ensure that a normally-off computer having volatile components connected thereto operates regularly and rapidly after a power on-off task, a computation processing device which has non-volatile registers and is able to continue processing of data retained in the device after the power supply is turned off/on without having to move the data to an external device comprises at least: a central processing unit further comprising the non-volatile registers; a connection unit for a volatile component which retains internal information in a volatile storage element; a non-volatile storage unit for storing a resume program to resume from a power-off state of the non-volatile component; and an inspection unit which issues a notification that the potential of the power supply in the computation processing device has reached an operation potential at time of resumption. The central processing unit loads the resume program from the non-volatile storage unit according to a notification signal from the inspection unit and executes the same.