Patent ID: 7409513

Claim:
An information process device comprising: a mother board; a first memory area for storing first discriminative information therein, the first memory area being formed on the mother board; an extension board which is connectable to and detachable from the mother board; a second memory area for storing second discriminative infonnation therein, the second memory area being fonned on the extension board; an application program memory area for storing an application program therein, the application program memory area being formed on the extension board; a verification device for verifying a relation between the first discriminative information and the second discriminative information, the verification device being formed on the extension board; a control device for staning execution of the application program when the verification device verifies that the relation between the first discriminative information and the second discriminative information is correct; the information process device further comprising: an input device for inputting third discriminative information; a first rewrite device for rewriting the first discriminative information to the third discriminative information input by the input device when the verification device verifies that the relation between the first discriminative information and the second discriminative information is correct; and a second rewrite device for rewriting the second discriminative information to the third discriminative information input by the input device when the verification device verifies that the relation between the first discriminative information and the second discriminative information is correct.