user manual
1-24
Chapter 1: Product introduction
Chapter 1
Chapter 1
Chapter 1
Chapter 1
DO NOT forget to connect the fan cables to the fan connectors. Insufcient air ow 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 2A (24 W) fan power.
• Only the CPU_FAN and CHA_FAN1/2/3 connectors support the ASUS Fan Xpert 2
feature.
• If you install two VGA cards, we recommend that you plug the rear chassis fan cable
to the motherboard connector labeled CHA_FAN1/2 for better thermal environment.
1.2.8 Internal connectors
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.
F2A85-M PRO
F2A85-M PRO Fan connectors
CPU_FAN
CHA_FAN2
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CHA_FAN1
CHA FAN PWM
CHA FAN IN
CHA FAN PWR
GND
CHA_FAN3
CHA FAN PWM
CHA FAN IN
CHA FAN PWR
GND
GND
CHA FAN PWR
CHA FAN IN
CHA FAN PWM