DFI COM330-B - Manual (Page 42)

42
2
Hardware Installation
1
ON
4
5
1
ON
4
5
SM bus
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.
SM Bus
1 5
3VDU
Data
CLK
ALERT-
GND