Asus M5A99X EVO User Manual - Page 44
CPU, chassis, and power fan connectors, pin CPU_FAN; 4-pin CHA_FAN1; 3-pin CHA_FAN2/3; 3-pin PWR_FAN
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7. CPU, chassis, and power fan connectors (4-pin CPU_FAN; 4-pin CHA_FAN1; 3-pin CHA_FAN2/3; 3-pin PWR_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. Chapter 2 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! • The CPU_FAN connector supports the CPU fan of maximum 1A (12 W) fan power. • Only the CPU_FAN, CHA_FAN1, CHA_FAN2 and CHA_FAN3 connectors support the ASUS FAN Xpert feature. • If you install two VGA cards, we recommend that you plug the rear chassis fan cable to the motherboard connector labeled CHA_FAN1, CHA_FAN2 or CHA_FAN3 for better thermal environment. 2-26 Chapter 2: Hardware information
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