Asus B85M-E Manual page 26

11. 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 of up to 5Gbps, faster charging time for
USB-chargeable devices, optimized power efficiency, and backward compatibility with
USB 2.0.
B85M-E USB3.0 Front panel connector
The USB 3.0 module is purchased separately.
12. USB 2.0 connectors (10-1 pin USB1112, USB1314)
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.
B85M-E 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.
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IntA_P1_SSTX+
B85M-E
IntA_P1_SSTX-
IntA_P1_SSRX+
IntA_P1_SSRX-
B85M-E
PIN 1
USB3_12
GND IntA_P2_D+
IntA_P1_D+ IntA_P2_D-
IntA_P1_D- GND
GND IntA_P2_SSTX+
IntA_P2_SSTX-
GND
GND IntA_P2_SSRX+
IntA_P2_SSRX-
Vbus
Vbus
PIN 1
USB1112 USB1314
PIN 1
Chapter 1: Product introduction