Specifications

1-16
Chapter 1: Product introduction
Chapter 1
3. 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 benets of
USB 3.0 including faster data transfer speeds of up to 4.8Gbps, faster charging time for
USB-chargeable devices, optimized power efciency, and backward compatibility with
USB 2.0.
• The USB 3.0 module is purchased separately.
• These connectors are based on xHCI specication. We recommend you to install the
related driver to fully use the USB 3.0 ports under Windows
®
7.
• The plugged USB 3.0 device may run on xHCI or EHCI mode depending on the
operating system’s setting.
• These USB 3.0 ports only support Turbo Mode when using USB 3.0 Boost feature.
Never connect a 1394 cable to the USB connector. Doing so will damage the motherboard!
The USB 2.0 module is purchased separately.
4. USB 2.0 connector (10-1 pin USB1112)
This connector is for USB 2.0 ports. Connect the USB module cable to this connector,
then install the module to a slot opening at the back of the system chassis. This
USB connector complies with USB 2.0 specication that supports up to 480 Mbps
connection speed.
Z97I-PLUS
Z97I-PLUS USB3.0 connector
USB3_12
USB3+5V
IntA_P1_SSRX-
IntA_P1_SSRX+
GND
IntA_P1_SSTX-
IntA_P1_SSTX+
GND
IntA_P1_D-
IntA_P1_D+
GND
PIN 1
USB3+5V
IntA_P2_SSRX-
IntA_P2_SSRX+
GND
IntA_P2_SSTX-
IntA_P2_SSTX+
GND
IntA_P2_D-
IntA_P2_D+
Z97I-PLUS
Z97I-PLUS USB2.0 connector
PIN 1
USB+5V USB_P11- USB_P11+ GND NC
USB+5V
USB_P12-
USB_P12+
GND
USB1112