7.CPU and chassis fan connectors

(4-pin CPU_FAN; 4-pin CHA_FAN1-3)

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.

CHA_FAN1

GND

CHA FAN PWR

CPU FAN IN

CHA FAN PWM

CHA_FAN2

Z 78 PRO-I

 

CHA FAN PWM CPU FAN IN CHA FAN PWR GND

 

 

 

 

 

 

CHA_FAN3

CPU_FAN

 

 

 

 

 

 

GND CPU FAN PWR CPU FAN IN CPU FAN PWM

 

 

 

 

 

 

 

 

 

 

 

 

 

CHA FAN PWM CPU FAN IN CHA FAN PWR GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Z87I-PRO 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!

Ensure that the CPU fan is securely installed to the CPU fan connector.

• The CPU_FAN connector supports the CPU fan of maximum 1A (12 W) fan power.

The CPU_FAN connector and CHA_FAN connectors support the ASUS FAN Xpert 2 feature.

1 Chapter

1-26

Chapter 1: Product introduction