Asus V7-M4A3000E - Manual (Page 50)

3-8 Chapter 3: Motherboard info
6.. CPU,.chassis.and.power.fan.connectors..
(4-pin CPU_FAN, 3-pin CHA_FAN)
Connect the fan cables to the fan connectors on the motherboard, ensuring
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 4-pin CPU fan supports the ASUS Q-Fan feature.
7. Digital Audio connector (4-1 pin SPDIF_OUT)
This connector is for the S/PDIF audio module to allow digital sound output.
Connect one end of the S/PDIF audio cable to this connector and the other
end to the S/PDIF module.
The S/PDIF out module is purchased separately.
M4A78LT-M LE
M4A78LT-M LE fan connectors
GND
+12V
Rotation
CHA_FAN
CPU_FAN
GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM
SPDIF_OUT
GND
SPDIFOUT
+5V
M4A78LT-M LE
M4A78LT-M LE Digital audio connector