IEI Integration PICOe-PV-D4251_N4551_D5251 v1.10 - Manual (Page 35)

PICOe-PV-D4251/N4551/D5251 User Manual
Page 21
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.
Figure 3-8: +12V Fan Connector Location
Pin Description
1 GND
2 +12V
3 FANIO1
4 FANPWM1
Table 3-8: +12V Fan Connector Pinouts
3.2.7 Digital Input/Output (DIO) Connector
CN Label: DIO1
CN Type: 10-pin header (2x5)
CN Location: See Figure 3-9
CN Pinouts: See Table 3-9
The digital input/output connector is managed through a Super I/O chip. The DIO
connector pins are user programmable.