Vig451J Motherboard Manual
26
Fan Connectors
This Motherboard has three chassis/system fan headers (Fan 2, 3 and 5) as well as
one CPU fan header (Fan 1) and a PSU fan header (Fan 4). All of these are 4-pin fan
headers and are backward compatible with the traditional 3-pin fans. However, fan
speed control is available for 4-pin fans only.
Figure 17:
Fan Connectors
CAUTION!!
Do not forget to connect the fan cables to the fan connectors. Insufficient air flow
inside the system may damage the Motherboard components. These are not
jumpers!! Do not place jumper caps on the fan connectors!!
Pin Signal
1
GND
2
+12V Power
3
FAN Sense
4
Fan PWM
Figure 18:
Internal Fan Connector
This 4-pin fan connector suppors tachometer monitoring.
There are four 4-pin fan connectors on Vig450J. Use these connectors to connect
chassis and processor cooling fans to your motherboard. Cooling fans can keep the
system stable and reliable for its product’s life.