INSTALLATIONS

CN2, CN3: USB Connectors

The following table shows the pin outs of the USB pin headers connectors. Overall, the two pin headers support four USB ports.

 

Signal Name

Pin

Pin

Signal Name

 

Vcc

1

5

Ground

 

USB0-

2

6

USB1+

 

USB0+

3

7

USB1-

CN2

Ground

4

8

Vcc

 

Signal Name

Pin

Pin

Signal Name

 

Vcc

1

5

Ground

 

USB2-

2

6

USB3+

 

USB2+

3

7

USB3-

CN3

Ground

4

8

Vcc

J3: CPU Fan Power Connector

J3 is a 3-pin header for the CPU fan. The fan must be a 12V fan.

Pin #

Signal Name

1

Ground

2

+12V

3Rotation detection

4Control

J7: External ATX Power Connector

Pin #

Signal Name

1

Ground

2PS-ON (soft on/off)

35VSB (Standby +5V)

J8, J9: System Fan Power Connector

J8 and J9 are 3-pin headers for system fans. The fan must be a 12V fan.

Pin # Signal Name

1Ground

2+12V

3Rotation detection

IB865 User’s Manual

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Image 25
Intel 865G, IB865 user manual CN2, CN3 USB Connectors, J3 CPU Fan Power Connector, J7 External ATX Power Connector