Asus P5E WS PROFESSIONAL User Manual - Page 59
CPU, chassis, and power fan connectors, pin CPU_FAN, 3-pin CHA_FAN1-2, 3-pin PWR_FAN, Chassis - p5e ws pro cpu support
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9. 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~7 A (84 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. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! CPU_FAN PWR_FAN Rotation +12V GND CPU FAN PWM CPU FAN IN CPU FAN PWR GND ® P5E WS PRO CHA_FAN2 GND +12V Rotation CHA_FAN1 Rotation +12V GND P5E WS Professional Fan connectors Only the CPU-FAN and CHA-FAN 1-2 connectors support the ASUS Q-FAN 2 feature. 10. Chassis intrusion connector (4-1 pin CHASSIS) This connector is for a chassis-mounted intrusion detection sensor or switch. Connect one end of the chassis intrusion sensor or switch cable to this connector. The chassis intrusion sensor or switch sends a high-level signal to this connector when a chassis component is removed or replaced. The signal is then generated as a chassis intrusion event. By default, the pin labeled "Chassis Signal" and "Ground" are shorted with a jumper cap. Remove the jumper caps only when you intend to use the chassis intrusion detection feature. GND Chassis Signal +5VSB_MB ® P5E WS PRO CHASSIS (Default) P5E WS Professional Chassis intrusion connector ASUS P5E WS Professional 2-33