| 摘要 |
A double interface external box for a computer includes an upper and a lower lid and a control panel. The upper and a lower lid are oppositely joined to each other and form an external box with a storage device being received and fixed therein. The control panel has a transition circuit board with an outer side thereof being provided with component parts including a first connector with IDE interface, a second connector with USB interface, a cut over switch and a power input end to connect with the transition circuit board by way of a circuit respectively such that signals of the component parts can be transmitted and with an inner side thereof forming a third connector with IDE interface, a fourth connector with USB interface and a power output joint. A ribbon wire and/or a USB signal wire can be utilized to connect with an IDE interface connector of the storage device and the third connector and/or a USB interface connector and the fourth connector respectively, a power input socket of the storage device being inserted with the power output joint and the cut cover switch is operated to perform the interface cut over such that the first connector or the second connector can be connected to a connecting port of the computer selectively to enable transmission of signal.
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