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Dfi HD620-H81 User Manual Page 30

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30
Chapter 2 Hardware Installation
Chapter 2
LPC Debug Port
2
1
12
11
The LPC connector is used for the debug function and its pin functions are listed below.
Pins Pin Assignment Pins Pin Assignment
1
CLK
2
LAD1
3
RST#
4
LAD0
5
FRAME#
6
VCC_+3V
7
LAD3
8
GND
9
LAD2
10
x
11
SERIRQ
12
48MHz
2
3
LPC Debug Port
SMBus Connector
The SMBus (System Management Bus) connector is used to connect the SMBus device. 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.
2
3
SMBus
GND
NC
SMB_DATA
SMB_CLK
SMB_ALERT
+3.3V_Standby
12
56
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