Tomcat i7230A S5160 

                                                       Chapter 2: Board Installation 

2.3.3   Fan Connectors (J27, J28, J59, J60, J61, J62) 

This 4 pin fan connector supports a new 

standard fan with integrated fan speed 

control on the fan itself for better fan life. 

The first 3 pins of this 4 pin fan connector 

are backward compatible with a traditional 

3 pin fan connector without PWM fan 

speed control.  (Pin4 will be unconnected 

for connecting a 3 pin fan).  

There are six 4 pin fan connectors on 

Thunder i7230A S5160 board. 

Support Smart fan ctrl (J27, J28, J60) 

Do not support Speed Fan ctrl (J61, J59, 

J62) 

2.3.4   COM2 Connector (J9) 

9                     1

10                    2

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