Asus B85M-G, B85MG B85M-GFan connectors, B85M-GSpeaker Out Connector, 6.Speaker connector (4-pinSPEAKER), 5.CPU and chassis fan connectors (4-pinCPU_FAN, 4-pinCHA_FAN)

5.CPU and chassis fan connectors (4-pin CPU_FAN, 4-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

B85M-G

GND

CPU FAN PWR

CPU FAN IN

CPU FAN PWM

CHA_FAN

GND

CHA FAN PWR

CHA FAN IN

CHA FAN PWM

B85M-G 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! The CPU_FAN connector supports a CPU fan of maximum 1A (12 W) fan power.

6.Speaker connector (4-pin SPEAKER)

The 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you hear system beeps and warnings.

B85M-G

SPEAKER

+5V GND GND Speaker Out

PIN 1

B85M-G Speaker Out Connector

1-16 Chapter 1: Product introduction