| 摘要 |
A wiring board according to the present invention includes a mounting region in which memories having different storage capacities can be mounted. The mounting region has: first wires for, when a first memory is mounted, making it possible to access all the addresses of the first memory; and second wires for, when a second memory having a storage capacity different from that of the first memory, making it possible to access to all the addresses of the second memory. For this reason, before an electronic device on which the wiring board is mounted is shipped, a memory mounted in the mounting region can be selected depending on the demand of a user.
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