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원문 게시자: stephen albert ,

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About 4 years ago i was Apple authorized, and every logic board we replaced needed to be serialized.  The software to do this is proprietary.  It is contained in the Dealer software called GSX.  After the repair has been completed, the  repaired computer is connected to the dealer network via an Ethernet  cable, GSX is loaded, and the serial number is entered.  Then the  GSX serializer writes the serial number to the board.  You only get one chance to do this right.  If you make a mistake, the board must be returned to Apple because there is no function to erase an incorrect serial number.  Therefore if you purchase a used logic board, it will most likely already have a serial number on it, and there is no way to change it, unless your Apple.

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