Asus P1-PH1 User Guide - Page 58

Motherboard info, CPU fan connector 3-pin CPU_FAN, Internal audio connectors 4-pin AUX,

Page 58 highlights

8. Internal audio connectors (4-pin AUX, CD) These connectors allow you to receive stereo audio input from sound sources such as a optical drive, TV tuner, or MPEG card. ® Internal audio connectors AUX CD Left Audio Channel Ground Right Audio Channel 9. CPU fan connector (3-pin CPU_FAN) The fan connectors support the proprietary CPU fan. Connect the fan cable to the connector matching the black wire to the ground pin. Rotation +12V GND ® CPU_FAN Fan power 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! 4-8 Chapter 4: Motherboard info

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4-8
Chapter 4: Motherboard info
9.
CPU fan connector (3-pin CPU_FAN)
The fan connectors support the proprietary CPU fan. Connect the fan
cable to the connector matching the black wire to the ground pin.
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!
Fan power connector
CPU_FAN
GND
Rotation
+12V
8.
Internal audio connectors (4-pin AUX, CD)
These connectors allow you to receive stereo audio input from sound
sources such as a optical drive, TV tuner, or MPEG card.
Internal audio connectors
CD
Right Audio Channel
Left Audio Channel
Ground
AUX