초록 ▼

An uninterruptive power supply supplies electric power to a computer by use of a battery when the supply of electric power by a main power supply is interrupted. The system termination processing section detects the outage of the main power supply when the period of interruption of the supply of ele

An uninterruptive power supply supplies electric power to a computer by use of a battery when the supply of electric power by a main power supply is interrupted. The system termination processing section detects the outage of the main power supply when the period of interruption of the supply of electric power from the main power supply to the uninterruptive power supply has exceeded a preset period, monitors the remaining capacity of the battery in the uninterruptive power supply at least when the outage is detected, gradually effects the system terminating process to the shutdown of the power supply of the system according to the degree of importance based on the remaining capacity of the battery, and controls the stage of the system terminating process according to a variation in the remaining capacity of the battery when the remaining capacity of the battery is changed during the system terminating process.

대표청구항 ▼

[ What is claimed is:] [1.] A method for shutdown of an information processing system processing first data stored in a storage device, the information processing system receiving electric power from a main power supply and from a battery when the electric power is not received from the main power s

[ What is claimed is:] [1.] A method for shutdown of an information processing system processing first data stored in a storage device, the information processing system receiving electric power from a main power supply and from a battery when the electric power is not received from the main power supply, said method comprising:detecting an outage of the electric power from the main power supply;monitoring remaining capacity of the battery when interruption of the electric power from the main power supply is detected;determining a starting point for executing a series of processes for shutdown of the information processing system based on the remaining capacity of the battery monitored by said monitoring, the series of processes includinga process of inhibiting access to the storage device,a process of storing second data in an external storage device, the second data relating to the first data stored in the storage device,a process of storing third data in the external storage device, the third data used for processing the first data stored in the storage device, anda final ending process of the series of processes to terminate operation of the information process system; andexecuting the series of processes from the process at the starting point to the final ending process.