Specifications
ASUS CROSSBLADE RANGER
1-39
Chapter 1
6. CPU, chassis, and optional fan connectors (4-pin CPU_FAN; 4-pin CPU_OPT;
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.
• 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 to fully insert the 4-pin CPU fan cable to the CPU fan connector.
The CPU_FAN connector supports the CPU fan of maximum 1A (12 W) fan power.
CHA_FAN3
+5V
CHA FAN IN
CHA FAN PWR
GND
CHA_FAN1
+5V
CHA FAN IN
CHA FAN PWR
GND
CHA_FAN2
GND
CHA FAN PWR
CHA FAN IN
+5V
A
D
E
D E
BA C
B
C
CPU_OPT
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CPU_FAN
CPU FAN PWM
CPU FAN IN
CPU FAN PWR
GND
CROSSBLADE RANGER Fan connectors