IEI Integration NANO-QM57A - Manual (Page 30)

NANO-QM57A EPIC SBC
Page 18
CN Location: See Figure 3-5
CN Pinouts: See Table 3-6
The fan connector attaches to a CPU cooling fan.
Figure 3-5: CPU Fan Connector Location
Pin Description
1 GROUND
2 +12V
3 FANIO1
4 FANOUT1
Table 3-6: CPU Fan Connector Pinouts
3.2.5 Fan Connector (System)
CN Label: SYS_FAN1
CN Type: 3-pin wafer (1x3)
CN Location: See
5
Figure 3-6
CN Pinouts: See
5
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.