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Chapter 2 Hardware Installation
Chapter 2
The LPC connector is used for the debug function and its pin functions are listed below.
Pin
Function
Pin
Function
1
L_CLK
2
L_AD1
3
L_RST#
4
L_AD0
5
L_FRAME#
6
3.3V
7
L_AD3
8
GND
9
L_AD2
10
---
11
INT_SERIRQ
12
GND
13
5VSB
14
5V
LPC Connector
2
LPC
2
1
14
13
Note:
The system board used in the following illustrations may not resemble the actual one.
These illustrations are for reference only.
With DFI’s proprietary technology, AL171/173 supports two extension modules for additional four
COM ports. The EXT-RS232/RS485 card is connected to AL171/173 via the LPC connector. The
illustrations below guide you how to connect the extension module to the motherboard.
Connecting the EXT-RS232/RS485 Card to the Motherboard
LPC
COM
Top View
LPC
EXT-RS485
Bottom View
DFI Motherboard
EXT-RS232/RS485
Additional 4 COM
EXT-RS485
