Asus M3A User Manual - Page 49

CPU, chassis, and power fan connectors, pin CPU_FAN; 3-pin CHA_FAN1; 3-pin PWR_FAN

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5. CPU, chassis, and power fan connectors (4-pin CPU_FAN; 3-pin CHA_FAN1; 3-pin PWR_FAN) 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. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND M3A ® PWR_FAN Rotation GND +12V GND Rotation +12V M3A Fan connectors CHA_FAN1 • Only the CPU_FAN and CHA_FAN 1 connectors support the ASUS Q FAN2 feature. • If you install two VGA cards, we recommend that you plug the rear chassis fan cable to the motherboard connector labled CHA_FAN1 for better themal environment. ASUS M3A 2-27

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ASUS M3A
2-27
5.
CPU, chassis, and power fan connectors
(4-pin CPU_FAN; 3-pin CHA_FAN1; 3-pin PWR_FAN)
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. Insufficient air
flow inside the system may damage the motherboard components. These are
not jumpers! Do not place jumper caps on the fan connectors!
•
Only the CPU_FAN and CHA_FAN 1 connectors support the ASUS Q
FAN2 feature.
•
If you install two VGA cards, we recommend that you plug the rear
chassis fan cable to the motherboard connector labled CHA_FAN1
for better themal environment.
M3A
M3A Fan connectors
CPU_FAN
CHA_FAN1
GND
Rotation
+12V
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
PWR_FAN
GND
Rotation
+12V