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Chapter 1: Product introduction
Chapter 1
8. USB 3.0 connectors (20-1 pin USB3_E12, USB3_E34)
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 5 Gb/s, faster charging time for
USB-chargeable devices, optimized power efciency, and backward compatibility with
USB 2.0.
The USB 3.0 module is purchased separately.
• These connectors are based on xHCI specication. 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.
Z97-WS
Z97-WS USB3.0 connectors
USB3_E12
Vbus
IntA_P1_SSRX-
IntA_P1_SSRX+
GND
IntA_P1_SSTX-
IntA_P1_SSTX+
GND
IntA_P1_D-
IntA_P1_D+
ID
PIN 1
Vbus
IntA_P2_SSRX-
IntA_P2_SSRX+
GND
IntA_P2_SSTX-
IntA_P2_SSTX+
GND
IntA_P2_D-
IntA_P2_D+
USB3_E34
Vbus
IntA_P1_SSRX-
IntA_P1_SSRX+
GND
IntA_P1_SSTX-
IntA_P1_SSTX+
GND
IntA_P1_D-
IntA_P1_D+
ID
PIN 1
Vbus
IntA_P2_SSRX-
IntA_P2_SSRX+
GND
IntA_P2_SSTX-
IntA_P2_SSTX+
GND
IntA_P2_D-
IntA_P2_D+