User's Manual

2-21
Chapter 2: Motherboard information
Do not forget to connect the fan cables to the fan headers. Insufficient air flow
inside the system may damage the motherboard components. These are not
jumpers! Do not place jumper caps on the fan headers!
6. CPU and Chassis Fan headers (4-pin CPU_FAN, 4-pin CHA_FAN1-3)
Connect the fan cables to the fan headers on the motherboard, ensuring that
the black wire of each cable matches the ground pin of the header.
Connector type
WAFER HD 4p, 2.54mm pitch, S/T
CHA_FAN1
B
GND
CHA FAN PWR
CHA FAN IN
CHA FAN PWM
A
B
C
D
C
CHA_FAN2
D
CPU_FAN
CHA_FAN3
A
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CHA FAN PWM
CHA FAN IN
CHA FAN PWR
GND
PIN 1
PIN 1
PIN 1