Asus A68HM Series User Manual page 26

9. 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 specification that supports up to
480Mbps connection speed.
A68HM-E 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.
10. Serial port connector (10-1 pin COM)
This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.
A68HM-E Serial port connectors
The COM module is purchased separately.
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E9808_A68HM Series_Manual.indb 18
USB56
A68HM-E
PIN 1
A68HM-E
USB34
PIN 1
COM
PIN 1
Chapter 1: Product introduction
2014/10/16 10:09:05