Asus M2N-MX - Manual (Page 35)

ASUS M2N-MX 1-25
4. CPU, Chassis, and Power Fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN1)
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. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface
(S/PDIF) port(s). Connect the S/PDIF module cable to this connector,
then install the module to a slot opening at the back of the system
chassis.
The S/PDIF module is purchased separately.
Only CPU Fan connector supports Q-Fan function.
M2N-MX
R
M2N-MX CPU Fan Connector
CPU_FAN
GND CPU F
AN PWR
CPU F
AN IN
CPU F
AN PWM
M2N-MX
R
M2N-MX Digital Audio Connector
+5V SPDIFOU
T
GND
SPDIF_O