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Overview of Components

CPU_FAN1, PUMP_FAN1, SYS_FAN1~6: 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. DC Mode fan connectors control fan speed by changing voltage.

The auto mode fan connectors can automatically detect PWM and DC mode. However,

you can follow the instruction below to adjust the fan connector to PWM or DC Mode

manually.

Switching fan mode and adjusting fan speed

You can switch between PWM mode and DC mode and adjust fan speed in BIOS >

HARDWARE MONITOR.

Select PWM mode or DC mode

⚠

Important

Make sure fans are working properly after switching the PWM/ DC mode.

There are gradient points of the fan speed that allow you to adjust

fan speed in relation to CPU temperature.

Pin definition of fan connectors

CPU_FAN1

SYS_FAN2

SYS_FAN3

SYS_FAN4

SYS_FAN5

PUMP_FAN1

SYS_FAN6

SYS_FAN1

Connector

Default fan

mode

Max.

current

Max.

power

CPU_FAN1 Auto mode 3A 36W

PUMP_FAN1 PWM mode 3A 36W

SYS_FAN1~6 DC mode 1A 12W

PWM Mode pin definition

1 Ground 2 +12V

3 Sense 4 Speed Control Signal

DC Mode pin definition

1 Ground 2 Voltage Control

3 Sense 4 NC