Gigabyte X670E AORUS PRO X User Manual 1 - Page 21

6) CPU_OPT (CPU Fan/Water Cooling Pump Header) The fan/pump 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 1 GND 2 Voltage Speed Control 3 Sense 4 PWM Speed Control Connector Maximum Current Maximum Power CPU_FAN 2A 24W SYS_FAN1~4 2A 24W SYS_FAN5~6_PUMP 2A 24W CPU_OPT 2A 24W •• 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. 7) EC_TEMP1/EC_TEMP2 (Temperature Sensor Headers) Connect the thermistor cables to the headers for temperature detection. 1 EC_TEMP1 1 EC_TEMP2 Pin No. Definition 1 SENSOR IN 2 GND - 21 -