IEI Integration PICOe-B650 - Manual (Page 31)

PICOe-B650 Half-size PCIe CPU Card
Page 19
3.2.4 CPU Fan Connector
CN Label: CPU_FAN1
CN Type: 4-pin wafer (1x4)
CN Location: See
5
Figure 3-5
CN Pinouts: See
5
Table 3-6
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 3-5: +12V Fan Connector Location
Pin Description
1 GND
2 +12V
3 FANIO1
4 PWM
Table 3-6: +12V Fan Connector Pinouts
3.2.5 CPU 12 V Power Connector
CN Label: CPU12 V1
CN Type: 4-pin connector
CN Location: See Figure 3-6
CN Pinouts: See Table 3-7