IEI Integration NANO-PV-D4252_N4552_D5252 - Manual (Page 33)

NANO-PV-D4252/N4552/D5252 EPIC SBC
Page 19
The digital I/O connector provides programmable input and output for external devices.
The digital I/O provides 4-bit output and 4-bit input.
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