IEI Integration IMB-G41A - Manual (Page 32)

IMB-G41A Micro-ATX Motherboard
Page 20
3.2.3 CPU Fan Connector
CN Label: CPU_FAN1
CN Type: 4-pin header
CN Location: See Figure 3-4
CN Pinouts: See Table 3-5
The fan connector attaches to a CPU cooling fan.
Figure 3-4: CPU Fan Connector Location
PIN NO. DESCRIPTION
1 GND
2 +12 V
3 FAN_Detect
4 FAN_CTRL
Table 3-5: CPU Fan Connector Pinouts