Compared with the USB, the IEEE 1394 bus eliminates the bottleneck between a host processor and the EMS memory, and supports a date rate of 100 Mbps, 200 Mbps and 400 Mbps.

• 相比较于USB的传输特点,1394支持点到点的传输,支持400Mbps、200Mbps和100Mbps传输率,消除了主机处理器/内存瓶颈,具有可升级性、易扩展、即插即用、使用方便、成本低、速度高等特点。