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ASUS P5Q 2-31
8. CPU, chassis, and power fan connectors (4-pin CPU_FAN, 3-pin
CHA_FAN1–2, 3-pin PWR_FAN)
The fan connectors support cooling fans of 350 mA~2000 mA (24 W max.)
or a total of 1 A~6 A (72 W 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. Insufcient air
ow inside the system may damage the motherboard components. These are
not jumpers! DO NOT place jumper caps on the fan connectors!
Only the CPU_FAN and CHA_FAN1-2 connectors support the ASUS Fan Xpert
feature.
9. Optical drive audio connector (4-pin CD)
This connector allows you to receive stereo audio input from sound sources
such as a CD-ROM, TV tuner, or MPEG card.