| 摘要 |
Described are external devices having a plurality of substrates, a connector electrically coupled to one of the plurality of substrates and having first interface connectors and second interface connectors, a switch electrically coupled to the first interface connectors, wherein the switch includes a display position and a memory position, a first interface connection controller electrically coupled to the memory position of the switch, a display controller electrically coupled to the display position of the switch, a display electrically coupled to the display controller, and a second interface connection controller electrically coupled to the second interface connectors, wherein the first interface connectors and the second interface connectors are configured to support at least two interface connection standards with interfaces that are mechanically different.
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