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Chapter 2 Hardware Installation
Chapter 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 Connector
SMBus
1
2
5
GND SMB_Data
SMB_CLK
3VDU
SMB_Alert
2
10
9
1
1
Battery
19
2
10
9
LAN LED Connector
LAN LED
7
8
1
2
The LAN LED connector is used to detect the connection state of RJ45 LAN ports when the
connection is made to an active network via a cable. The pin functions of the LAN LED con-
nector are listed below.
Pin
Assignment
Pin
Assignment
1
LAN1 (I219)_Speed_1Gbos
2
LAN1 (I219)_Speed_100Mbps
3
LAN1 (I219)_Link_Activity
4
3VDU
5
LAN2 (I211)_Speed_1Gbos
6
LAN2 (I211)_Speed_100Mbps
7
LAN2 (I211)_Link_Activity
8
3VDU
2
10
9
1
1
Battery
19
2
10
9