IEI Integration IMB-Q870-i2 - Manual (Page 43)

IMB-Q870-i2 microATX Motherboard
Page 27
Figure 3-9: CPU Fan Connector Location
PIN NO. DESCRIPTION
1 GND
2 +12 V
3 FANIO
4 PWM
Table 3-10: CPU Fan Connector Pinouts
3.2.9 Fan Connectors (System)
CN Label: SYS_FAN1, SYS_FAN2
CN Type: 3-pin wafer
CN Location: See Figure 3-10
CN Pinouts: See Table 3-11
Each fan connector attaches to a system cooling fan.