Asus P4P800-MX User Manual page 36

9. CPU and chassis fan connectors (3-pin CPU_FAN1, 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. Lack of sufficient
air flow within the system may damage the motherboard components. These
are not jumpers! DO NOT place jumper caps on the fan connectors!
P4P800-MX 12-Volt Fan Connectors
10. Digital audio connector (4-1 pin SPDIF1)
This connector is for a S/PDIF audio module that allows digital instead of
analog sound output. Connect one end of the audio cable to the S/PDIF Out
connector on the motherboard, and the other end to the S/PDIF module.
P4P800-MX Digital Audio Connector
The S/PDIF module is purchased separately.
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CHA_FAN1
GND
+12V
Rotation
CPU_FAN1
GND
+12V
Rotation
SPDIF1
Chapter 1: Product introduction