Asus P7Q57-M DO/CSM Specifications download pdf (Page 23)

4. CPU and Chassis fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN)

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. Insufcient air ow inside

the system may damage the motherboard components. They are not jumpers! DO NOT

place jumper caps on the fan connectors.

CPU_FAN

CPU FAN PWM

CPU FAN IN

CPU FAN PWR

GND

P7Q57-M DO

P7Q57-M DO fan connectors

GND

+12V

Rotation

CHA_FAN

• Only the CHA_FAN connector supports the ASUS Q-FAN feature.

• Only the CPU_FAN connector supports Intel

QST function.

5. Chassis intrusion connector (4-1 pin CHASSIS)

This connector is for a chassis-mounted intrusion detection sensor or switch. The

chassis intrusion sensor or switch sends a high-level signal to this connector when a

chassis component is removed or replaced. The signal is then generated as a chassis

intrusion event.

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

cap. Remove the jumper caps only when you intend to use the chassis intrusion

detection feature.

+5VSB_MB

Chassis Signal

GND

CHASSIS

P7Q57-M DO Chassis intrusion connector

P7Q57-M DO

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Asus P7Q57-M DO/CSM Specifications Page 23