Asus M2N-X PLUS - Manual (Page 38)

1-26 Chapter 1: Product introduction
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.
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 PLUS
R
M2N-X PLUS Fan Connectors
CPU_FAN
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
CHA_FAN
GND
Rotation
+12V
M2N-X PLUS Speaker Out Connector
SPEAKER
+5V
GND GND
Speaker Out
1
M2N-X PLUS
R
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.