Gigabyte B450 AORUS PRO WIFI User Manual - Page 15

SYS_FAN3_PUMP System Fan/Water Cooling Pump Header, CPU_OPT Water Cooling CPU Fan Header - rgb header

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5) CPU_OPT (Water Cooling CPU Fan Header) The fan header is 4-pin and possesses a foolproof insertion design. 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. Pin No. Definition 1 GND 1 2 Voltage Speed Control 3 Sense 4 PWM Speed Control 6) SYS_FAN3_PUMP (System Fan/Water Cooling Pump Header) The fan/pump header is 4-pin and possess a foolproof insertion design. 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, refer to Chapter 2, "BIOS Setup," "M.I.T.," for more information. Pin No. Definition 1 GND 1 2 Voltage Speed Control 3 Sense 4 PWM Speed Control 7) LED_CPU (CPU Cooler LED Strip/RGB LED Strip Header) The header can be used to connect a CPU cooler LED strip or a standard 5050 RGB LED strip (12V/G/R/B), with maximum power rating of 2A (12V) and maximum length of 2m. Pin No. Definition 1 12V 1 2G 3R 4B LED Strip 1 12V Connect the CPU cooler LED strip/RGB LED strip to the header. The power pin (marked with a triangle on the plug) of the LED strip must be connected to Pin 1 of this header. Incorrect connection may lead to the damage of the LED strip. - 15 -

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6)
SYS_FAN3_PUMP (System Fan/Water Cooling Pump Header)
The fan/pump header is 4-pin and possess a foolproof insertion design. 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, refer to Chapter 2,
"BIOS Setup," "M.I.T.," for more information.
1
5)
CPU_OPT (Water Cooling CPU Fan Header)
The fan header is 4-pin and possesses a foolproof insertion design. 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.
1
Pin No.
De
fi
nition
1
GND
2
Voltage Speed Control
3
Sense
4
PWM Speed Control
Pin No.
De
fi
nition
1
GND
2
Voltage Speed Control
3
Sense
4
PWM Speed Control
Pin No.
Definition
1
12V
2
G
3
R
4
B
1
7)
LED_CPU (CPU Cooler LED Strip/RGB LED Strip Header)
The header can be used to connect a CPU cooler LED strip or a standard 5050 RGB LED strip (12V/G/R/B),
with maximum power rating of 2A (12V) and maximum length of 2m.
Connect the CPU cooler LED strip/RGB LED strip to the header. The
power pin (marked with a triangle on the plug) of the LED strip must
be connected to Pin 1 of this header. Incorrect connection may lead
to the damage of the LED strip.
LED Strip
1
12V
- 15 -