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Overview of Components

BAT1

CPU_FAN1, PUMP_FAN1, SYS_FAN1~4: Fan Connectors



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







manually.

Connector

Default fan

mode

Max.

current

Max.

power

 Auto mode 1A 12W

PUMP_FAN1 PWM mode 2A 24W

  1A 12W

Switching fan mode and adjusting fan speed

BIOS >

HARDWARE MONITOR.

Select PWM mode or DC mode



Important



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



Pin definition of fan connectors

PWM Mode pin definition

1 Ground 2 +12V

3 Sense 4 

DC Mode pin definition

1 Ground 2 

3 Sense 4 

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MSI B450 TOMAHAWK MAX II Specifications

General