Asus P5E Motherboard Installation Guide - Page 56

6. CPU, chassis, and optional fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN1~2, 3-pin PWR_FAN) The fan connectors support cooling fans of 350 mA~1000 mA (24 W max.) or a total of 1 A~3.48 A (41.76 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 CHA_FAN1 ® P5E CHA_FAN2 P5E Fan connectors GND CPU FAN PWR CPU FAN IN CPU FAN PWM CPU_FAN PWR_FAN GND +12V Rotation CHA_FAN1 Rotation +12V GND CHA_FAN2 Rotation +12V GND • Only the CPU_FAN, CHA_FAN1~3, and OPT_FAN1~3 connectors support the ASUS Q-Fan 2 feature. • If you install two VGA cards, we recommend that you plug the chassis fan cable to the motherboard connector labled CHA_FAN1 or CHA_FAN3 for better themal environment. 2-30 Chapter 2: Hardware information