Asus A78M-A User Manual download pdf (Page 29)

ASUS A78M-A

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8. USB 2.0 connectors (10-1 pin USB34, 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.

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

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 benets of

USB 3.0 including faster data transfer speeds of up to 5Gbps, faster charging time for

USB-chargeable devices, optimized power efciency and backward compatibility with

USB 2.0.

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

panel USB 3.0 solution.

A78M-A

A78M-A USB2.0 connectors

PIN 1

USB+5V

USB_P5-

USB_P5+

GND

USB+5V

USB_P6-

USB_P6+

GND

USB56 USB34

PIN 1

USB+5V

USB_P3-

USB_P3+

GND

USB+5V

USB_P4-

USB_P4+

GND

A78M-A

A78M-A USB3.0 Front panel connector

USB3_34

GND

IntA_P1_D+

IntA_P1_D-

GND

IntA_P1_SSTX+

GND

IntA_P1_SSTX-

IntA_P1_SSRX+

IntA_P1_SSRX-

USB3+5V

PIN 1

IntA_P2_D+

IntA_P2_D-

GND

IntA_P2_SSTX+

IntA_P2_SSTX-

GND

IntA_P2_SSRX+

IntA_P2_SSRX-

USB3+5V

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Asus A78M-A User Manual Page 29

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