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CPU_FAN1, PUMP_SYS1, SYS_FAN1~6: Fan Connectors
Fan connectors can be divided into two categories: PWM Mode and DC Mode. PWM
Mode fan connectors provide a constant 12V output and adjust fan speed with a
speed control signal. DC Mode fan connectors control fan speed by changing voltage.
Please refer to the following specification table for the fan connector mode of your
motherboard.
You can control fans in BIOS> HARDWARE MONITOR panel. Enabling Smart Fan Mode
will regulate fan speed based on CPU or system temperature. Disabling Smart Fan
Mode will set the fan to full speed.
⚠Important
You can set DC or PWM in HARDWARE MONITOR panel to your fan type if your
motherboard supports it. Make sure fans are working properly after switching the
PWM/ DC mode.
1
CPU_FAN1
PUMP_SYS1
1
SYS_FAN2
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
SYS_FAN6
SYS_FAN4
SYS_FAN5
SYS_FAN1
SYS_FAN3
Fan specifications for fan connectors
Connector
Fan mode
Max. current
Max. power
CPU_FAN1
Auto mode
2A
24W
PUMP_SYS1
PWM mode
3A
36W
SYS_FAN1~6
Auto mode
1A
12W
⚠Important
The auto mode fan connectors can automatically detect PWM and DC modes.
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