ASUS lx plus desktop motherboard m5a78l-m lx plus User Manual

CPU and chassis fan connectors (4-pin CPU_FAN and 3-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.

Only the 4-pin CPU fan connector supports the ASUS Q-Fan feature.

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.

CPU_FAN

GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM

GND
+12V
Rotation

CHA_FAN

Chapter 1: Product introduction

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