Asus Z77-A Specifications download pdf (Page 44)

8. USB 2.0 connectors (10-1 pin USB78, USB56)

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 specication that 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.

Z77-A USB2.0 connectors

USB+5V

USB_P8-

USB_P8+

GND

USB+5V

USB_P7-

USB_P7+

GND

USB78

Z77-A

PIN 1

USB+5V

USB_P6-

USB_P6+

GND

USB+5V

USB_P5-

USB_P5+

GND

USB56

PIN 1

9. USB 3.0 connector (20-1 pin USB3_34)

These connectors are for the additional USB 3.0 ports, and complies with the USB 3.0

specicaton that supports up to 480 MBps connection speed. If the USB 3.0 front panel

cable is available from your system chassis, with this USB 3.0 connector, you can have

a front panel USB 3.0 solution.

You can connect the ASUS front panel USB 3.0 bracket to this connector to obtain the front

panel USB 3.0 solution.

Z77-A

Z77-A USB3.0 Front panel connector

USB3_34

Chapter 1: Product introduction

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Asus Z77-A Specifications Page 44