IEI Integration NANO-PV-D4251_N4551_D5251 - Manual (Page 33)

NANO-PV-D4251/N4551/D5251 EPIC SBC
Page 20
Figure 3-5: Digital I/O Connector Locations
Pin Description Pin Description
1 GND 2 +5V
3 Output 3 4 Output 2
5 Output 1 6 Output 0
7 Input 3 8 Input 2
9 Input 1 10 Input 0
Table 3-6: Digital I/O Connector Pinouts
3.2.5 Fan Connector (CPU)
CN Label: CPU_FAN1
CN Type: 3-pin wafer (1x3)
CN Location: See Figure 3-6
CN Pinouts: See Table 3-7
The fan connector attaches to a CPU cooling fan.
Figure 3-6: CPU Fan Connector Location
Pin Description
1 FANIO1
2 +12V
3 GND
Table 3-7: CPU Fan Connector Pinouts