Распиновки разных разъемов на материнской плате  > Dell pinouts
This is to fit a standard 4pin fan to a dell motherboard 5pin CPU (speed controlled) fan connector (essentially, you just swap pins 1 & 3 on the standard connector)

 

Dell MB
Pin Number
Function Dell wire colour Std Fan
Pin Number

Std Fan wire colour

Description
1 Sens (TACH) White/Yellow 3 Green Sens (TACH)
2 +12v Red 2 Yellow +12v
3 Gnd Black 1 Black Gnd
4 PWM Blue 4 Blue PWM
5 Key unused       

Generates fan error, but works sometimes.

5 pin IDC male схематический вид разъема
Разъем 5 pin IDC male
at the Standard Fan socket
4 pin single row female схематический вид разъема
Разъем 4 pin single row female
На эту распиновку есть 51 отзыв(а): 48 положительных и 3 отрицательных.

Эта распиновка
Источник(и) этой и дополнительной информации: Self measured
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