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5 fan connector (cpu), 6 fan connector (system) – IEI Integration NANO-HM651 User Manual

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NANO-HM651 EPIC SBC

Page 19

3.2.5 Fan Connector (CPU)

CN Label:

CPU_FAN1

CN Type:

4-pin wafer (1x4)

CN Location:

See

6

Figure 3-6

CN Pinouts:

See

6

Table 3-7

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 3-6: CPU Fan Connector Location

Pin Description

1 GND

2 +12V

3 Rotation

Signal

4

PWM Control Signal

Table 3-7: CPU Fan Connector Pinouts

3.2.6 Fan Connector (System)

CN Label:

SYS_FAN1

CN Type:

3-pin wafer (1x3)

See also other documents in the category IEI Integration Hardware: