3.HARDWARE SETUP

15)USB Headers (10-1 pin USB1, 10-1 pin USB2)

If the USB port connectors on the back panel are inadequate, two USB headers are available for four additional USB port connectors. Connect each USB header to an optional 2-port USB connector set and mount the bracket to an open slot on your chassis.

 

USB1

A7A266-E

USB2

A7A266-E Front Panel USB Headers

NC

GND

USBP2+

USBP2–

USB Power

1 5

6 10

GND

USBP3+

USBP3–

USB Power

.3 H/WConnectors SETUP

16)SMBus Connector (5-1 pin SMB)

This connector allows you to connect SMBus (System Management Bus) devices. SMBus devices communicate by means of the SMBus with an SMBus host and/ or other SMBus devices. SMBus is a specific implementation of an I2C bus, which is a multi-device bus; that is, multiple chips can be connected to the same bus and each one can act as a master by initiating data transfer.

A7A266-E

A7A266-E SMBus Connector

 

SMB

1

 

SMBCLK

Ground SMBDATA +5V

36

ASUS A7A266-E User’s Manual