IEI Integration IMBA-Q670 v2.10 - Manual (Page 40)

IMBA-Q670 ATX Motherboard
Page 24
Figure 3-7: CPU Fan Connector Location
PIN NO. DESCRIPTION
1 GND
2 +12 V
3 FANIO1
4 PWM
Table 3-7: CPU Fan Connector Pinouts
3.2.7 Fan Connector (System)
CN Label: SYS_FAN1, SYS_FAN2
CN Type: 3-pin wafer
CN Location: See Figure 3-8
CN Pinouts: See Table 3-8
The fan connector attaches to a cooling fan.