Asus H81I-PLUS User Manual page 24

7. 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.
H81I-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.
8. 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.
H81I-PLUS USB3.0 Front panel connector
•
•
1-16
USB1112
PIN 1
USB910
PIN 1
USB3_12
PIN 1
The USB 3.0 module is purchased separately.
This connector is based on xHCI specifications. We recommend you install the related
driver to fully use the USB 3.0 ports in Windows 7.
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Chapter 1: Product introduction