| 摘要 |
PROBLEM TO BE SOLVED: To facilitate checking whether a game machine has a built-in regular main control board or main control device or not. SOLUTION: When power supply from a power source board 103 to the main control board 100 is stopped, the main control device 30 calculates the checksum of storage data stored in a RAM 33 and stores the checksum in the RAM 33, when the power supply to the main control board 100 is started, the main control device 30 calculates the checksum of the storage data stored in the RAM 33, and it is determined whether both checksums match or not. When the checksums do not match, the first command is output to a sub-control device 40 for display. When a first command is input to the sub-control device 40 from the control device 30, notification of the determination result is provided to the outside such that an error information lamp 60 is lit yellow for a predetermined time. COPYRIGHT: (C)2009,JPO&INPIT
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