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CPU_FAN1, PUMP_FAN1, SYS_FAN1~4: Fan Connectors

Fan connectors can be classified as PWM (Pulse Width Modulation) Mode or DC Mode.

PWM Mode fan connectors provide constant 12V output and adjust fan speed with

speed control signal.

PWM Mode pin definition

Pin Signal Name Pin Signal Name

1 Ground 2 +12V

3 Sense 4 Speed Control Signal

DC Mode pin definition

Pin Signal Name Pin Signal Name

1 Ground 2 Voltage Control

3 Sense 4 NC

Fan connector specifications

Connector Default fan mode Max. current Max. power

CPU_FAN1 PWM mode 2A 24W

PUMP_FAN1 PWM mode 3A 36W

SYS_FAN1~4 PWM mode 1A 12W

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Important

You can adjust fan speed in BIOS > HARDWARE MONITOR.