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6) LED_C1 (RGB LED Strip Headers)
 
rating of 2A (12V) and maximum length of 2m.
Pin No. 
1 12V
2 G
3
4 B
Before installing the devices, be sure to turn off the devices and your computer. Unplug the power
cord from the power outlet to prevent damage to the devices.
For how to turn on/off the lights of the LED strip please visit the "Unique Features" webpage of
GIGABYTE's website.
1
G.QBOFM
3/4) CPU_FAN/SYS_FAN1/2 (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.
Be sure to connect fan cables to the fan headers to prevent your CPU and system from
overheating. Overheating may result in damage to the CPU or the system may hang.

Pin No. 
1 GND
2 Voltage Speed Control
3 Sense
4 PWM Speed Control
CPU_FAN/SYS_FAN1
G.QBOFM
1
SYS_FAN2
G.QBOFM
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.
Pin No. 
1 GND
2 Voltage Speed Control
3 Sense
4 PWM Speed Control
G.QBOFM
1
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
with a triangle on the plug) of the LED strip must be connected to
Pin 1 (12V) of this header. Incorrect connection may lead to the
damage of the LED strip.

1
12V
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