IEI Technology NANO-HM551, User Manual

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NANO-HM551 EPIC SBC
Page 20
3.2.5 Digital I/O Connector
CN Label: DIO1
CN Type: 10-pin header
CN Location: See Figure 3-6
CN Pinouts: See Table 3-7
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 3-6: 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 3-7: Digital I/O Connector Pinouts
3.2.6 Fan Connector (CPU)
CN Label: CPU_FAN1
CN Type: 4-pin wafer (1x4)
CN Location: See Figure 3-7
CN Pinouts: See Table 3-8
The fan connector attaches to a CPU cooling fan.