Board Layout
1394 Ports 
USB 2.0
Ports
1394 Port
USB 2.0 Port
Power Connector (optional)
Figure 1. Board Layout
Note: This power connector (same as the one used with your floppy disk drive) is designed to provide additional power to the board when needed. This connection is optional. We recommend to connect this power connector when the following conditions occur:
-All ports are used.
-Device(s) not being detected.
In case you need to connect this power connector, power off your system first before making this connection.
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