Asus P5N-D User Manual - Page 55

7. CPU, chassis, power, and optional fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN1-2, 3-pin PWR_FAN) The fan connectors support cooling fans of 1A~2.2A (26.4 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. CPU_FAN CHA_FAN1 GND +12V Rotation CPU FAN PWM CPU FAN IN CPU FAN PWR GND ® P5N-D P5N-D Fan connectors Rotation +12V GND CHA_FAN2 PWR_FAN GND +12V Rotation 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 CPU_FAN, CHA_FAN1 and CHA_FAN2 connectors support the ASUS Q-FAN 2 feature. • If you install two VGA cards, we recommend that you plug the rear chassis fan cable to the motherboard connector labeled CHA_FAN1 or CHA_FAN2 for better thermal environment. 8. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are for ATX power supply plugs. The power supply plugs are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit. ® P5N-D ATX12V +12V DC GND +12V DC GND P5N-D ATX power connectors EATXPWR +3 Volts +12 Volts +12 Volts +5V Standby Power OK Ground +5 Volts Ground +5 Volts Ground +3 Volts +3 Volts Ground +5 Volts +5 Volts +5 Volts -5 Volts Ground Ground Ground PSON# Ground -12 Volts +3 Volts ASUS P5N-D 2-31