Asus p4s800mx P4S800-MX English User Manual E1447 - Page 28

GND +12V Rotation P4S800-MX 5. CPU and chassis fan connectors (3-pin CPU_FAN1, CHA_FAN1) The fan connectors support cooling fans of 350mA~740mA (8.88W max.) or a total of 1A~2.22A (26.64W 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. Lack of sufficient air flow within the system may damage the motherboard components. These are not jumpers! DO NOT place jumper caps on the fan connectors! CPU_FAN1 CHA_FAN1 P4S800-MX 12-Volt Fan Connectors 6. USB header (10-1 pin USB56) If the USB ports on the rear panel are inadequate, a USB header is available for additional USB ports. Connect the USB cable of an optional USB 2.0 module to this header. You may install the USB module in the chassis front panel. The module has two USB 2.0 ports for connecting next generation USB peripherals such as high resolution cameras, scanners, and printers. GND +12V Rotation P4S800-MX USB+5V USB_P6USB_P6+ GND NC USB+5V USB_P5USB_P5+ GND P4S800-MX USB 2.0 Header USB56 1 The USB module is purchased separately. 1-20 Chapter 1: Product introduction