User Manual
1-14
Chapter 1: Product Introduction
Chapter 1
7. CPU, AIO, and chassis fan connectors (4-pin CPU_FAN; 4-pin AIO_PUMP; 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.
• 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!
• Ensure that the CPU fan cable is securely installed to the CPU fan connector.
ROG STRIX Z370-I GAMING Fan connectors
AIO_PUMP
GND
CHA FAN PWR
CHA FAN IN
+5V
A
C
B
CHA_FAN
GND
CHA FAN PWR
CHA FAN IN
+5V
C
CPU_FAN
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
A
B
• The CPU_FAN connector supports the CPU fan of maximum 1A (12 W) fan power.
• Connect the fan of your water cooling kit to the AIO_PUMP connector.