Asus Z77-A Z77-A User's Manual - Page 44

Z77-A USB3.0 Front panel connector

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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 specification that supports up to 480Mbps connection speed. USB+5V USB_P8USB_P8+ GND NC USB+5V USB_P6USB_P6+ GND NC USB78 USB56 Z77-A PIN 1 PIN 1 USB+5V USB_P7USB_P7+ GND USB+5V USB_P5USB_P5+ GND Z77-A 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. 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 specificaton 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. USB3_34 Z77-A Z77-A USB3.0 Front panel connector You can connect the ASUS front panel USB 3.0 bracket to this connector to obtain the front panel USB 3.0 solution. 1-32 Chapter 1: Product introduction

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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 speciļ¬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
NC
USB+5V
USB_P7-
USB_P7+
GND
USB78
Z77-A
PIN 1
USB+5V
USB_P6-
USB_P6+
GND
NC
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
speciļ¬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
1-32