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CPU_FAN1: Fan Connector
CPU Fan connector is classified as PWM (Pulse Width Modulation) Mode. PWM Mode
fan connectors provide constant 12V output and adjust fan speed with speed control
signal.
You can control fans in BIOS> HARDWARE MONITOR panel. Check the Smart Fan
Mode, the fan speed will change according to the CPU or system temperature.
Uncheck the Smart Fan Mode, the fan will spin at maximum speed.
1
PWM Mode pin definition
Pin Signal Name Pin Signal Name
1 Ground 2 +12V
3 Sense 4 Speed Control Signal
Fan connector specifications
Connector Default fan mode Max. current Max. power
CPU_FAN1 PWM mode 2A 24W
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