Asus A7N8X-LA User Manual download pdf (Page 25)

ASUS A7N8X Motherboard

1-15

Do not forget to connect the fan cables to the fan connectors. Lack of

sufficient air flow within the system may damage the motherboard

components. These are not jumpers! DO NOT place jumper caps on

the fan connectors!

6. CPU and Chassis Fan Connectors

(3-pin CPU_FAN1, PWR_FAN1, CHA_FAN1)

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.

7. Chassis intrusion connector (4-1 pin CHASSIS1)

This lead is for a chassis designed with intrusion detection feature. This

requires an external detection mechanism such as a chassis intrusion sensor

or microswitch. When you remove any chassis component, the sensor

triggers and sends a high-level signal to this lead to record a chassis

intrusion event.

By default, the pins labeled “Chassis Signal” and “Ground” are shorted with a

jumper cap. If you wish to use the chassis intrusion detection feature, remove

the jumper cap from the pins.

A7N8X

A7N8X 12-Volt Cooling Fan Power

CHA_FAN1

GND

Rotation

+12V

CPU_FAN1

PWR_FAN1

GND

Rotation

+12V

GND

Rotation

+12V

A7N8X

A7N8X Chassis Open Alarm Lead

CHASSIS1

+5Volt

(Power Supply Stand By)

Ground

Chassis Signal

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Asus A7N8X-LA User Manual Page 25