Asus ROG STRIX B250I GAMING User Guide - Page 28
pin CHA_FAN, CPU, AIO pump, and chassis fan connectors 4-pin CPU_FAN, 4-pin AIO_PUMP
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Chapter 1 8. CPU, AIO pump, and chassis fan connectors (4-pin CPU_FAN, 4-pin AIO_PUMP, 4-pin CHA_FAN) Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector. • DO NOT forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! • Ensure that the CPU fan cable is securely installed to the CPU fan connector. A CPU_FAN B AIO_PUMP CPU FAN PWM CPU FAN IN CPU FAN PWR GND +5V CHA FAN IN CHA FAN PWR GND A B C CHA_FAN GND CHA FAN PWR CHA FAN IN +5V C STRIX B250I GAMING Fan connectors • The CPU_FAN connector supports the CPU fan of maximum 1A (12 W) fan power. • Connect the fan of your water cooling kit to the CPU_FAN connector. 1-14 Chapter 1: Product Introduction