Asus B85M-F PLUS User Guide - Page 22

3. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN) Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND B85M-F PLUS CHA_FAN +5V CHA FAN IN CHA FAN PWR GND B85M-F PLUS Fan connectors 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! The CPU_FAN connector supports a CPU fan of maximum 1A (12 W) fan power. Only the 4-pin CPU fan supports the ASUS Fan Xpert feature. 4. USB 2.0 connectors (10-1 pin USB910, USB1112) These connectors are for USB 2.0 ports. Connect the USB module cable to any of these connectors, then install the module to a slot opening at the back of the system chassis. These USB connectors comply with USB 2.0 specifications and supports up to 480Mbps connection speed. USB+5V USB_P11USB_P11+ GND NC USB+5V USB_P9USB_P9+ GND NC B85M-F PLUS USB910 PIN 1 USB1112 PIN 1 USB+5V USB_P12USB_P12+ GND USB+5V USB_P10USB_P10+ GND B85M-F PLUS USB2.0 connectors Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard! The USB 2.0 module is purchased separately. 1-14 Chapter 1: Product introduction