| 摘要 |
A method is used for preventing the users to use the interface card without the permission of the original supplier. A RAM and a memory are stored in the interface card and coupled with each other. A portion of an AP code and an STA code are stored in the memory and load into the RAM. Another portion of the AP code is stored in a member and loaded into the RAM for covering the STA code and for forming a complete AP code. The RAM of the interface card may be permitted to use only when or after the portions of the AP codes are matched with each other.
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