| 摘要 |
A mechanism for testing a printed circuit board. The mechanism includes a holder, an expansion board and at least one fixing member. The expansion board has a first edge where a contact zone is provided. The expansion board is partially disposed in the holder with the first edge thereof exposed. The first edge of the expansion board is inserted into an expansion slot of the printed circuit board, while the contact zone provides electrical connection to the expansion slot. The fixing member fixes the expansion board in the holder.
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