Asus H81M-P User Guide - Page 23

4. USB 2.0 connectors (10-1 pin USB910, USB56) 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. USB56 USB910 USB+5V USB_P5USB_P5+ GND NC USB+5V USB_P9USB_P9+ GND NC USB+5V USB_P6USB_P6+ GND USB+5V USB_P10USB_P10+ GND PIN 1 PIN 1 H81M-P H81M-P 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. 5. USB 3.0 connector (20-1 pin USB3_12) This connector allows you to connect a USB 3.0 module for additional USB 3.0 front or rear panel ports. With an installed USB 3.0 module, you can enjoy all the benefits of USB 3.0 including faster data transfer speeds up to 5Gbps, faster charging time for USB-chargeable devices, optimized power efficiency, and backward compatibility with USB 2.0. USB3_E12 H81M-P GND IntA_P1_D+ IntA_P1_D- GND IntA_P1_SSTX+ IntA_P1_SSTX- GND IntA_P1_SSRX+ IntA_P1_SSRX- USB3+5V PIN 1 IntA_P2_D+ IntA_P2_DGND IntA_P2_SSTX+ IntA_P2_SSTXGND IntA_P2_SSRX+ IntA_P2_SSRXUSB3+5V H81M-P USB3.0 Front panel connector The USB 3.0 module is purchased separately. ASUS H81M-P 1-15