| 摘要 |
PROBLEM TO BE SOLVED: To recover a bus system into normal operating state by disconnecting a connection spot, which is the factor of an error, even when the error occurs in the bus system because of the erroneous connection of an information processor. SOLUTION: Concerning the information processor to be used in the bus system, the state of a connection with the other device constituting the bus system is detected (S5) and the presence/absence of abnormality in that connection state is judged (S6, S9 and S11). When there is any abnormality, the connection spot, which is the factor of that abnormality, is recognized (S14, S16 and S17) and the information processor is constituted so as to disconnect (S15) the connection with the other device corresponding to the recognized result.
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