Asus M2N-X - Manual (Page 37)

ASUS M2N-X 1-25
4. CPU and Chassis Fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN)
The fan connectors support cooling fans of 350mA~740mA (8.88W
max.) or a total of 1A~2.22A (26.64W 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.
5. Speaker out connector (4-pin SPEAKER)
This connector is for the case-mounted speaker and allows you to hear
system beeps and warnings.
Only CPU Fan connector supports Q-Fan function.
M2N-X
M2N-X Fan Connectors
CPU_FAN
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
CHA_FAN
GND
Rotation
+12V
M2N-X
M2N-X Speaker Out Connector
SPEAKER
+V
GND GND
Speaker Out
1