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4 pin motherboard fan connector layout
Разъем 4 pin motherboard fan
at the motherboard

 

Pin
Number		 Pin
Name		 Description Wire color
(usual)
1 +12v Fan Power  Green mark
2 Signal   White mark
3 GND Ground non marked
4 PWM +5v (on/off control)
The Rpm Fan control can do with a normal fan bus.
While it can be driven by a 5 volt digital PWM signal, it is, in fact, an analog fan speed control signal.  0 volts = off, 5 volts = 100%, 2.5 volts = 50%, ... 		 inside delta fan (behind label), red mark 

 

4 pin fan cable connector layout
Разъем 4 pin fan cable
at the cable
Статус распиновки: +3 -0
На распиновку Apple Motherboard 4 pin CPU PWM fan connector есть 4 отзыв(а): 3 положительных и 0 отрицательных.

Эта распиновка
Нет DIY устройств
Источник(и) этой и дополнительной информации: http://www.intel.com/support/motherboards/desktop/sb/cs-012074.htm
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