A computer processing system is disclosed that includes a cache that includes cache blocks of data. The pump portion pressurizes fuel. In a state that a wafer is then loaded onto an electrical plating apparatus in which a copper plating solution is filled and a negative power supply is also applied to the wafer, copper is plated so that the damascene patterns are sufficiently filled, thereby forming a copper layer. If a trouble occurs on the DVD, the DVD recording control block identifies and reads the recording data related with the identification information of the DVD from the HDD and records the recording data to another DVD.