Usb 2.0 Connectors (10-1 Pin Usb34, Usb56); Serial Port Connector (10-1 Pin Com) - Asus A55BM-A USB3 User Manual

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 specification that supports up to
480Mbps connection speed.
A55BM-A/USB3
A55BM-A/USB3 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.

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.
A55BM-A/USB3
A55BM-A/USB3 Serial port connectors
The COM module is purchased separately.
1-20
USB56 USB34
PIN 1 PIN 1
COM
PIN 1
Chapter 1: Product introduction