6.USB 2.0 connectors (10-1 pin USB56, USB78)

These connectors are for USB 2.0 ports. Connect these connectors, then install the module to a slot chassis. These USB connectors comply with USB

480Mbps connection speed.

the USB module cable to any of opening at the back of the system 2.0 specification that supports up to

USB78 USB56

M5A78L-M LX3 PLUS

USB+5V USB P8- USB P8+

GND NC

USB+5V USB P6- USB P6+

GND NC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PIN 1

 

 

 

 

 

 

PIN 1

 

 

 

 

 

USB+5V USB P7- USB P7+

GND

USB+5V USB P5- USB P5+

GND

M5A78L-M LX3 PLUS USB2.0 connectors

Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard!

The USB 2.0 module is purchased separately.

7.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.

CPU_FAN

M5A78L-M LX3 PLUS

GND

CPU FAN PWR

CPU FAN IN

CPU FAN PWM

CHA_FAN

GND

+12V Rotation

M5A78L-M LX3 PLUS fan connectors

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

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Chapter 1: Product introduction