Asus A85XM-A A85XM-A User's Manual - Page 40

8. USB 2.0 connectors (10-1 pin USB34, 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 specification that supports up to 480Mbps connection speed. USB56 USB34 USB+5V USB_P6USB_P6+ GND NC USB+5V USB_P4USB_P4+ GND NC A85XM-A PIN 1 PIN 1 USB+5V USB_P5USB_P5+ GND USB+5V USB_P3USB_P3+ GND A85XM-A 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. 9. USB 3.0 connector (20-1 pin USB3_34) These connectors allow 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 of up to 5Gbps, faster charging time for USB-chargeable devices, optimized power efficiency and backward compatibility with USB 2.0. USB3_34 IntA_P2_D+ IntA_P2_DGND IntA_P2_SSTX+ IntA_P2_SSTXGND IntA_P2_SSRX+ IntA_P2_SSRXVbus A85XM-A PIN 1 ID IntA_P1_D+ IntA_P1_D- GND IntA_P1_SSTX+ GND IntA_P1_SSTXIntA_P1_SSRX+ IntA_P1_SSRX- Vbus A85XM-A USB3.0 Front panel connector You can connect the ASUS front panel USB 3.0 bracket to this connector to obtain the front panel USB 3.0 solution. 1-28 Chapter 1: Product introduction