Asus P5N32-E SLI Plus P5N32-E SLI Plus User''s Manual for English Edtion - Page 56

6. CPU, chassis, power, and optional fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN1, 3-pin PWR_FAN, 3‑pin OPT_FAN1~5) 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. 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 CPU_FAN PWR_FAN CHA_FAN1 GND +12V Rotation GND +12V Rotation CPU FAN PWM CPU FAN IN CPU FAN PWR GND CHA_FAN1 ® P5N32-E SLI Plus OPT_FAN2 OPT_FAN1 OPT_FAN3 OPT_FAN4 OPT_FAN5 P5N32-E SLI Plus Fan connectors OPT_FAN2 Rotation +12V GND OPT_FAN1 Rotation +12V GND Rotation +12V GND OPT_FAN3 Rotation +12V GND OPT_FAN4 OPT_FAN5 GND +12V Rotation • Only the CHA_FAN1 and OPT_FAN 1~3 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 OPT_FAN1 or OPT_FAN2 for better themal environment. 2-30 Chapter 2: Hardware information