Fan Connector; Figure 3-7: Fan Connector Location; Table 3-5: Digital I/O Connector Pinouts; Table 3-6: Fan Connector Pinouts - IEI Technology PM-PV-N4551/D5251 User Manual

Pin Description
1 GND
3 Output 3
5 Output 1
7 Input 3
9 Input 1

Table 3-5: Digital I/O Connector Pinouts

3.2.5 Fan Connector

CN Label: CPU_FAN1
CN Type: 3-pin wafer (1x3)
CN Location: See Figure 3-7
CN Pinouts: See Table 3-6
The fan connector attaches to a cooling fan.

Figure 3-7: Fan Connector Location

Pin Description
1 GND
2 +12V (PWM)
3 FANIO1

Table 3-6: Fan Connector Pinouts

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PM-PV-N4551/D5251 User Manual
Pin Description
2 VCC
4 Output 2
6 Output 0
8 Input 2
10 Input 0