Acer 2400 用户指南

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Universal Serial Bus (USB)

The USB 2.0 port is a high-speed serial bus which allows you to connect USB 
peripherals without taking up precious system resources. 

IEEE 1394 port (on selected models)

The computer's IEEE 1394 port allows you to connect to an IEEE 1394-
compatible device like a video camera or digital camera. See your video or 
digital camera's documentation for details.