IEI Integration NANO-9452 v4.02 - Manual (Page 56)

NANO-9452 EPIC Motherboard
Page 38
Figure 4-7: DIO Connector Locations
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1 GND 2 VCC
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 4-7: DIO Connector Pinouts
4.2.6 Fan Connector
CN Label: CPU_FAN1
CN Type: 3-pin header
CN Location: See Figure 4-8
CN Pinouts: See Table 4-8
The cooling fan connector provides a 12V, 500mA current to a system 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.