Asus H81I-PLUS - Manual (Page 24)

1-16 Chapter 1: Product introduction
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.
Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!
The USB 2.0 module is purchased separately.
H81
I-PLU
S USB910
PIN 1
USB+5V USB_P10- USB_P10+ GND NC
USB+5V USB_P9- USB_P9+
GND
USB1112
PIN 1
USB+5V USB_P12- USB_P12+ GND NC
USB+5V
USB_P11- USB_P11+
GND
H81I-PLUS USB2.0 connectors
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.
• 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.
H81I-PLUS
H81I-PLUS USB3.0 Front panel connector
USB3_12
+5V USB3_RX_DN3 USB3_RX_DP3 GND USB3_TX_DN3 USB3_TX_DP3 GND S_USB_PN2_R S_USB_PP2_R GND
PIN 1
+5V
USB3_RX_DN2 USB3_RX_DP2
GND
S_U3TXDN4 S_U3TXDP4
GND
S_U3RXDP4 S_U3RXDN4