
CPU and System Fan Power Connector (CN1 & CN24)
One 
CPU Fan Power Connector (CN1)
| Pin | Signal | 
| 1 | GND | 
| 2 | +12V | 
| 3 | Fan Speed Sensor | 
| 
 | 
 | 
Fan Power Connector (CN24)
PinSignal
1GND
2+12V
3NC

One 
| Pin | Signal | 
| 1 | GND | 
| 2 | +12V | 
| 3 | Fan Speed Sensor | 
| 
 | 
 | 
Fan Power Connector (CN24)
PinSignal
1GND
2+12V
3NC