7 . CPU and System fan connectors (4-pin CPU_FAN, 3-pin SYS_FAN)
The fan connectors support cooling fans of 350 mA ~ 740 mA (8.88 W max.) or a total of 1 A~2.22 A (26.64 W max.) at +12 V. 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 within the system can damage the motherboard components. These are not jumpers! DO NOT place jumper caps on the fan connectors!
CPU_FAN
GND
+12V
Rotation
PWN
SYS_FAN
GND
+12V 
Rotation
8 . Internal audio connectors (4-pin CD-IN, F_LINE_IN)
These connectors allow you to receive stereo audio input from sound sources such as a
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| Channel | Ground Ground Channel |
| Channel | Ground Ground Channel | |||||||||||
| Right Audio |
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| Left Audio |
| Right Audio |
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1 8 | ASUS |