Gigabyte G1.Sniper2 User Manual page 25

3/4) CPU_FAN/FAN1/FAN2/FAN3/FAN4 (Fan Headers)
All fan headers on this motherboard are 4-pin and support fan speed control function. 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. Over-
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heating may result in damage to the CPU or the system may hang.
These fan headers are not configuration jumper blocks. Do not place a jumper cap on the headers.
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5) HP_PWR (Heatsink LED Power Connector)
The power connector provides power to the LEDs on the heatsink.
CPU_FAN:
Pin No. Definition
1
CPU_FAN
FAN1/2/3/4:
1
Pin No. Definition
FAN1
1
1
FAN2/FAN3
FAN4
1
Pin No. Definition
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1 GND
2 +12V /Speed Control
3 Sense
4 Speed Control
1 GND
2 +12V /Speed Control
3 Sense
4 Reserve
1 VCC
2 GND
Hardware Installation