USB Pin-out Header
The internal USB Pin-out Header consists of 9 pins arranged in 2 rows; the header provides 2 USB ports. Match up +5VDC (Pin 1) on the 4-Pin USB Connector to Pin 1 on the pin-out header. Connecting the USB cable improperly may damage the system. Please refer to your system's manual for proper connection.
Pin | Assignment | Pin | Assignment |
| | | |
1 | +5VDC | 2 | +5VDC |
| | | |
3 | USB- (Data-) | 4 | USB- (Data-) |
| | | |
5 | USB+ (Data+) | 6 | USB+ (Data+) |
| | | |
7 | Ground (GND) | 8 | Ground (GND) |
| | | |
9 | None | 10 | Ground (GND) |
| | | |
Figure 2. USB Pin-out Header
Note: The diagram and table shows labeling for a typical motherboard 9-pin pin-out header. Please note that the 1st pin on the 5-pin row of the FireWire 800+Hi-Speed Combo is labeled pin1 but corresponds to pin 2 on the diagram, nevertheless , the assignment for each pin are identical to the table. The pin-out header is designed to connect to front mounted USB ports, flash memory card readers, or any USB devices that require pin-out header connection. Reference the image above and review your computer's manual for proper connection.