Hardware Installation

USB Headers

This motherboard contains six (6) USB 2.0 ports that are exposed on the rear panel of the chassis (Figure 2). The motherboard also contains two

10-pin internal header connectors onboard that

can be used to connect an optional external bracket containing four (4) more USB 2.0 ports.

1.Secure the bracket to either the front or rear panel of your chassis (not all chassis are equipped with the front panel option).

2.Connect the two ends of the cables to the USB 2.0 headers on the motherboard.

Table 4. USB 2.0 Header Pins

Connector

 

Pin

Signal

USB 2.0 Header Connector

1

5V_DUAL

 

 

 

 

10

9

3

D-

 

 

5

D+

8

7

 

 

6

5

7

GND

4

3

9

Empty

2

1

 

 

Pin

Signal

 

 

 

 

2

5V_DUAL

 

 

 

 

 

 

4

D-

 

 

 

 

 

 

6

D+

 

 

 

 

 

 

8

GND

 

 

 

 

 

 

10

No Connect

 

 

 

 

NVIDIA Corporation

October 17, 2007 DU-03597-001_v01 19

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Image 29
Nvidia 780I SLI manual USB Headers, USB 2.0 Header Pins