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3/4) CPU_FAN/SYS_FAN1/2/3 (Fan Headers)
All fan headers on this motherboard are 4-pin. Most fan headers possess a foolproof insertion design.
When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is
the ground wire). The speed control function requires the use of a fan with fan speed control design. For
optimum heat dissipation, it is recommended that a system fan be installed inside the chassis.
CPU_FAN
SYS_FAN1
1
CPU_FAN/SYS_FAN1
Pin No.
Definition
1
GND
2
Voltage Speed Control
3
Sense
4
PWM Speed Control
1
SYS_FAN2/3
SYS_FAN2
SYS_FAN3
5) SYS_FAN4_PUMP (System Fan/Water Cooling Pump Header)
The fan/pump header is 4-pin. Most fan headers possess a foolproof insertion design. When connecting a
fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The
speed control function requires the use of a fan with fan speed control design. For optimum heat dissipation,
it is recommended that a system fan be installed inside the chassis. The header also provides speed control
for a water cooling pump. Please navigate to the "BIOS Setup" page of GIGABYTE's website and search
for "Smart Fan 6" for more information.
1
Pin No.
Definition
1
GND
2
Voltage Speed Control
3
Sense
4
PWM Speed Control
SYS_FAN4_
PUMP
Connector
CPU_FAN
SYS_FAN1/2/3
SYS_FAN4_PUMP
Maximum Current
2A
2A
2A
Maximum Power
24W
24W
24W
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