Gigabyte G1.Guerrilla Manual - Page 27
/5 CPU_FAN/SYS_FAN/FAN1/FAN2/FAN3 Fan Headers, HP_PWR Heatsink LED Power Connector
UPC - 818313012227
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3/4/5) CPU_FAN/SYS_FAN/FAN1/FAN2/FAN3 (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. 1 CPU_FAN 1 SYS_FAN/FAN3 1 FAN1/FAN2 CPU_FAN: Pin No. Definition 1 GND 2 +12V 3 Sense 4 Speed Control SYS_FAN/FAN1/FAN2/FAN3: Pin No. Definition 1 GND 2 +12V / Speed Control 3 Sense 4 Reserve • 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. • These fan headers are not configuration jumper blocks. Do not place a jumper cap on the headers. 6) HP_PWR (Heatsink LED Power Connector) The power connector provides power to the LEDs on the North Bridge heatsink. Pin No. Definition 1 VCC 2 GND 1 - 27 - Hardware Installation