3 pin pc fan wiring. Convert a 3 pin 12v dc fan into a 12v 2 pin fan music. Proper fan connector placement is shown in the figures below. You can connect a 3 pin fan to a 3 pin or 4 pin header on the motherboard. When using a 3 pin power connector with a 4 pin fan header the fan will always be on.
Allerdings sollten sie dabei einige punkte beachten. Das sind die unterschiede. 3 pinwire pc fan to usb conversion duration. Fuer bessere waermeableitung moechten sie einen zusaetzlichen luefter in einbauen.
The case fan has a 3 hole connector and all system fan connectors on the mb are 4 pin. A pc fans wire colors are pretty consistent with red almost invariably marking the positive and black marking the negative or ground. You dont need it to make the fan turn but the third wire is there for a good reason. Todays superuser qa post has the answer to a curious readers question.
Ein 3 pin luefter laesst sich auch an einem 4 pin anschluss betreiben. 3 pin luefter lassen sich ohne probleme an einem 4 pin anschluss pwm betreiben. The third wire varies depending on the manufacturer but usually it is blue or yellow. What is the difference between three and four wire fans.
Am putting together a pc and have run into a problem with the mbcase. Heat sink and 4 wire fan for the 100 watt led light duration. The fan will function normally no matter type of fan header is used. Allerdings kann der luefter dann natuerlich nicht ueber das pwm signal in der geschwindigkeit beeinflusst werden.
There is no fan control. Proper fan connector placement is shown in the figures below. Desktop board has a 4 pin fan header. Fans and on board fan headers are backwards compatible.