Asus F1A75 User Manual download pdf (Page 32)

1.10.2 Internal connectors

1. Power, CPU and chassis fan connectors (3-pin PWR FAN, 4-pin CPU_FAN, and

4-pin CHA_FAN1/2)

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.

• The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power.

• Only the CPU_FAN and CHA_FAN1/2 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_FAN1/2 for better thermal environment.

DO NOT forget to connect the fan cables to the fan connectors. Insufcient air ow inside

the system may damage the motherboard components. These are not jumpers! DO NOT

place jumper caps on the fan connectors.

F1A75

F1A75 fan connectors

CPU_FAN

CHA_FAN1

CPU FAN PWM

CPU FAN IN

CPU FAN PWR

GND

CHA_FAN2

CHA FAN PWM

CHA FAN IN

CHA FAN PWR

GND

CHA FAN PWR

CHA FAN IN

CHA FAN PWM

GND

+12V

Rotation

PWR_FAN

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Asus F1A75 User Manual Page 32