IEI Integration PICOe-PV-D4251_N4551_D5251 v1.00 - Manual (Page 34)

PICOe-PV-D4251/N4551/D5251 User Manual
Page 20
Pin Description Pin Description
24 N/C 49 DATA 10
25 VCC-IN CHECK2 50 GROUND
Table 3-6: CF Card Socket Pinouts
3.2.5 CPU Fan Connector (+12V, 4-pin)
CN Label: CPU_FAN1
CN Type: 4-pin header
CN Location: See
6
Figure 3-7
CN Pinouts: See
6
Table 3-7
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 3-7: +12V Fan Connector Location
Pin Description
1 GND
2 +12V
3 FANIO1
4 FANPWM1
Table 3-7: +12V Fan Connector Pinouts