| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique which enables the effective and handy prevention of the fraudulence committed using a mode checker. SOLUTION: The supply of power to a RAM of the main control board from a backup power source is carried out when the main power source is turned off via detachable connectors of a harness for connecting an operation detection part (for start lever, stop button, token selector or the like) to the main control board. As a result, even when game information advantageous for players such as information on the internal winning of a bonus winning combination is successfully stored in the RAM by removing any of the detachable connectors to connect an input device to the main control board, the supply of power to the RAM from the backup power source is stopped at the moment of removing the input device to join the connector as positioned originally. This can eventually delete the game information stored in the RAM, thereby enabling the effective prevention of the fraudulence committed using the input device. COPYRIGHT: (C)2009,JPO&INPIT
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