5.Power, CPU, and Chassis Fan connectors.(3-pin PWR_FAN, 4-pin CPU_FAN, 3-pin CHA_FAN)

The fan connectors support cooling fans of 350mA~740mA (8.88W max.) or a total of 1A~2.22A (26.64W max.) at +12V. Connect the fan cables to the fan connectors on the motherboard, making sure 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.

Only CPU Fan supports Q-Fan.

PWR_FAN

Rotation

GND

+12V

CHA_FAN

GND +12V Rotation

CPU_FAN

PWM

PWR GND

IN

FAN

FAN

FAN

CPU

CPU

CPU

M3A78-EM

M3A78-EM Fan Connectors

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Chapter 1: Product introduction