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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 specication that supports up to
480Mbps connection speed.
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 benets of
USB 3.0 including faster data transfer speeds of up to 5Gbps, faster charging time for
USB-chargeable devices, optimized power efciency and backward compatibility with
USB 2.0.
You can connect the ASUS front panel USB 3.0 bracket to this connector to obtain the front
panel USB 3.0 solution.
A85XM-A
A85XM-A USB2.0 connectors
PIN 1
USB+5V
USB_P6-
USB_P6+
GND
NC
USB+5V
USB_P5-
USB_P5+
GND
USB56 USB34
PIN 1
USB+5V
USB_P4-
USB_P4+
GND
NC
USB+5V
USB_P3-
USB_P3+
GND
A85XM-A
A85XM-A USB3.0 Front panel connector
USB3_34
ID
IntA_P1_D+
IntA_P1_D-
GND
IntA_P1_SSTX+
GND
IntA_P1_SSTX-
IntA_P1_SSRX+
IntA_P1_SSRX-
Vbus
PIN 1
IntA_P2_D+
IntA_P2_D-
GND
IntA_P2_SSTX+
IntA_P2_SSTX-
GND
IntA_P2_SSRX+
IntA_P2_SSRX-
Vbus
Chapter 1: Product introduction
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