Lpc Debug Port; Smbus Connector - DFI HD620 Series User Manual

Atx industrial motherboard
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LPC Debug Port

The LPC connector is used for the debug function and its pin functions are listed below.
Pins
Pin Assignment
1
CLK
3
RST#
FRAME#
5
LAD3
7
LAD2
9
SERIRQ
11
Chapter 2 Hardware Installation
LPC Debug Port
2
12
1
11
Pins
Pin Assignment
2
LAD1
4
LAD0
VCC_+3V
6
GND
8
x
10
48MHz
12
Chapter 2

SMBus Connector

SMBus
6
5
SMB_ALERT
NC
SMB_DATA
SMB_CLK
GND
+3.3V_Standby
2
1
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.
30
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