4.Fan mode setting (3-pin CPUFAN_SET1 and CHAFAN_SET1)

These jumpers allow you to connect either a 3-pin or a 4-pin fan cable plug to the CPU fan or Chasis fan connectors Set these jumpers to pins 1-2 Short PWM mode if you are using a 4-pin fan cable plug, or to pins 2‑3 Short DC mode if you are using a 3-pin plug.

CPUFAN_SET1

 

1

2

2

3

P5BP-E/4L

PWM Mode

DC Mode

 

(Default)

 

 

CHAFAN_SET1

1

2

2

3

PWM Mode

DC Mode

 

 

(Default)

P5BP-E/4L Fan Mode Setting

4-6

Chapter 4: Motherboard information