| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine capable of detecting illegal replacement of a control device early and facilitating management. SOLUTION: The game machine has a main control circuit 71 carrying out a game while unique identification information is set thereto in an output possible manner; a CPU 31 acquiring identification information at predetermined acquisition timing from a circuit means; a sub-CPU 74 determining whether the circuit means is changed by the comparison between an identification information digest acquired by an identification information acquiring means, and a reference identification information digest; and a liquid crystal display device 5 informing the outside of the change when the change is determined by the sub-CPU 74. COPYRIGHT: (C)2008,JPO&INPIT
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