www.dfi .com
25
Chapter 2 Hardware Installation
Chapter 2
SMBus Connector
2
The SMBus (System Management Bus) connector is used to connect SMBus devices. It is a
multiple device bus that allows multiple chips to connect to the same bus and enable each one
to act as a master by initiating data transfer.
SMBus_Data
GND
3V3SB
SMBus_Clock
SMBus_Alert
1
2
5
Standby Power LED
This LED will lit red when the system is in the standby mode. It indicates that there is power
on the system board. Power-off the PC and then unplug the power cord prior to installing any
devices. Failure to do so will cause severe damage to the motherboard and components.
2
Standby Power LED