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.

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SIIG 701P48438 manual USB Pin-out Header