Asus A7V333 User's Guide download pdf (Page 26)

1-16

Chapter 1: Motherboard Information

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, 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.

A7V333-X

A7V333-X 12-Volt Fan Connectors

CPU_FAN

CHA_FAN

GND

Rotation

+12V

GND

Rotation

+12V

A7V333-X

A7V333-X Chassis Alarm Lead

CHASSIS

+5VSB_MB

Chassis Signal

GND

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.

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Asus A7V333 User's Guide Page 26