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ASUS Commando 2-31
7. CPU, chassis, power, and optional fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN1, 3-pin CHA_FAN2, 3-pin CHA_FAN3,
3-pin PWR_FAN, 3-pin OPT_FAN1~3)
The fan connectors support cooling fans of 350 mA ~ 2000 mA (24 W max.)
or a total of 1 A ~ 7 A (84 W max.) at +12V. Connect the fan cables to the
fan connectors on the motherboard, making sure 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!
• CPU_FAN, CHA_FAN1~3, and OPT_FAN 1~3 connectors support the
ASUS Q-FAN 2 feature.
• If you install two VGA cards, we recommend that you plug the rear chassis
fan cable to the motherboard connector labeled CHA_FAN2 for better
themal environment.
®
COMMANDO
COMMANDO Fan connectors
CPU_FAN CHA_FAN1
CPU_FAN
PWR_FAN
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
PWR_FAN
OPT_FAN1
GND
Rotation
+12V
GND
Rotation
+12V
OPT_FAN3
GND
Rotation
+12V
CHA_FAN2
CHA_FAN3
OPT_FAN3
OPT_FAN2
CHA_FAN1
OPT_FAN2
GND
Rotation
+12V
OPT_FAN1
GND
Rotation
+12V
CHA_FAN2
CHA_FAN3
GND
Rotation
+12V
GND
Rotation
+12V