Fan Connector (+12V, 3-Pin); Table 4-5: +12V Fan Connector Pinouts - IEI Technology SPCIE-3600AM2 User Manual

PIN NO. DESCRIPTION
1 GND
2 +12VCC
3 Rotation Signal
4 Control

Table 4-5: +12V Fan Connector Pinouts

4.2.4 Fan Connector (+12V, 3-pin)

CN Label:
CN Type:
CN Location:
CN Pinouts:
The system cooling fan connector provides a 12V, 500mA current to a system cooling fan.
The connector has a "rotation" pin to get rotation signals from fans and notify the system
so the system BIOS can recognize the fan speed. Please note that only specified fans can
issue the rotation signals.
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SPCIE-3600AM2 PICMG 1.3 CPU Card
FAN1
3-pin header
See Figure 4-5
See Table 4-6