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SMBus Connector
Battery
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.
Chapter 2 Hardware Installation
Chapter 2
19
1
SMBus
2
1
5
1
LAN LED Connector
Battery
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
1
LAN1 (I219)_Speed_1Gbos
3
LAN1 (I219)_Link_Activity
LAN2 (I211)_Speed_1Gbos
5
7
LAN2 (I211)_Link_Activity
30
19
1
1
LAN LED
8
2
7
1
Pin
Assignment
LAN1 (I219)_Speed_100Mbps
2
3VDU
4
LAN2 (I211)_Speed_100Mbps
6
3VDU
8
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