| 摘要 |
PROBLEM TO BE SOLVED: To provide a control board capable of checking the various kinds of data such as program data and the like stored in a ROM in the state as it is even in the case of connecting and fixing the ROM and surely preventing the unauthorized exchange of the ROM or the like. SOLUTION: A check connector 34 is provided on the side edge of a main board 14 and check control signals are outputted from a ROM checker 38 through a check terminal 34B and a check control signal line 36 to the ROM 31. Also, desired data from the various kinds of the data stored in the ROM 31 are sent out through a data signal line 37 and the check terminal 34C to the ROM checker 38 on the basis of the check control signals and the data are checked in the ROM checker 38.
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