Gigabyte X299X AORUS MASTER User Manual - Page 28
SYS_FAN5_PUMP/SYS_FAN6_PUMP System Fan/Water Cooling Pump Headers
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6) SYS_FAN5_PUMP/SYS_FAN6_PUMP (System Fan/Water Cooling Pump Headers) The fan/pump headers 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. The header also provides speed control for a water cooling pump, refer to Chapter 2, "BIOS Setup," "Settings\Smart Fan 5," for more information. Pin No. Definition 1 GND 2 Voltage Speed Control 3 Sense 1 4 PWM Speed Control 7) EC_TEMP1/EC_TEMP2 (Temperature Sensor Headers) Connect the thermistors cables to the headers for temperature detection. EC_TEMP1 1 EC_TEMP2 1 Pin No. 1 2 Definition SENSOR IN GND Hardware Installation - 28 -
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