4 cpu fan connector, 5 cpu 12 v power connector, Figure 3-5: +12v fan connector location – IEI Integration PICOe-B650 User Manual

Page 31: Table 3-6: +12v fan connector pinouts

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PICOe-B650 Half-size PCIe CPU Card

Page 19

3.2.4 CPU Fan Connector

CN Label:

CPU_FAN1

CN Type:

4-pin wafer (1x4)

CN Location:

See

Figure 3-5

CN Pinouts:

See

Table 3-6

The cooling fan connector provides a 12V, 500mA current to the 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.

Figure 3-5: +12V Fan Connector Location

Pin Description

1 GND

2 +12V

3 FANIO1

4 PWM

Table 3-6: +12V Fan Connector Pinouts

3.2.5 CPU 12 V Power Connector

CN Label:

CPU12 V1

CN Type:

4-pin connector

CN Location:

See Figure 3-6

CN Pinouts:

See Table 3-7

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