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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
12
5
GND
SMB_Data
SMB_CLK
3V3DU
SMB_Alert
A61
Battery
A61
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 Pin Assignment Pin Pin Assignment
1
GBE_LED_1000-
2
GBE_LED_100-
3
GBE_LED_LINK_ACT-
4
3V3DU
5
LINK_1000_4
6
LINK_100_4
7
LINK_ACTIVITY_4
8
3V3DU
A61
Battery
A61
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