Asus P5B-Plus VISTA Edition P5B-Plus series user's manual - Page 57

Never connect a USB cable to the IEEE 1394a connector. Doing so will damage the motherboard! You can connect the 1394 cable to ASUS Q-Connector (1394, red) first, and then install the Q-Connector (1394) to the 1394 connector onboard. 7. CPU, chassis, power fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN1, 3-pin CHA_FAN2, 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 ® P5B-PLUS GND CPU FAN PWR CPU FAN IN CPU FAN PWM GND +12V Rotation CHA_FAN1 Rotation +12V GND CHA_FAN2 GND +12V Rotation P5B-PLUS Fan connectors Only the CPU-FAN and CHA-FAN 1-2 connectors support the ASUS Q-FAN 2 feature. ASUS P5B-Plus Series 2-31