VIA Technologies LPC-01 Quick Manual

LPC-01
Expansion Module for Four
RS-232 Ports (5V or 12V)

Quick Guide

Key Features
•
Supports up to four COM ports
•
Compatible with EPIA mainboards with
standard LPC pin header
Connector & Pin Header Definition
J8: Power connector
Pin Signal
1 +5V
2 GND
3 GND
4 +12V
The LPC-01 is an expansion module designed for connecting up to
four external serial devices to existing VIA EPIA mainboards.
Specifications
• I/O Coastline
•
4 x COM ports
- Support RS-232 interface (COM1 ~ COM4)
- Support 5V/12V voltage select for COM1 ~ COM4
• Onboard pin header and jumpers
•
1 x LPC pin header
•
4 x Voltage select jumper
•
1 x Power connector
•
Dimension
•
100mm x 40mm
Packing List
•
1 x LPC-01 module
•
1 x LPC cable
Note:
Please ensure that all items in the packing list are present before using this
product. If any of the items are missing or damaged, contact your distributor or
sales representative immediately.
J1: LPC pin header
Pin Signal Pin Signal
2 LPC_33CLK
1 LAD1
3 -PCIRSTX 4 GND
5 LAD0 6 2448_CLK
7 LAD2 8 GND
9 SERIRQ 10 LAD3
12 -EXTSMI
11 -LDRQ1
13 +5V 14 +3V
16 +3V
15 +5V
17 GND 18 GND
19 Key pin 20 -LFRAME
I/O Coastline Layout
Jumper Definition and Settings
J4 & J5: COM1 and COM2 voltage select jumper
Pin Signal
1 +5V
2 GND
3 +12V
COM1 Settings Pin 1 Pin 2 Pin 3
+5V (default) Short Short Open
+12V Open Short Short
COM2 Settings Pin 1 Pin 2 Pin 3
+5V (default) Short Short Open
+12V Open Short Short
Notes:
J4 : Voltage select jumper for COM port 1 (COM1)
J5 : Voltage select jumper for COM port 2 (COM2)
Onboard I/O Layout
Items Descriptions
J1 LPC pin header
J4 COM1 voltage select jumper
J5 COM2 voltage select jumper
J6 COM3 voltage select jumper
J7 COM4 voltage select jumper
J8 Power connector
J6 & J7: COM3 and COM4 voltage select jumper
Pin Signal
1 +5V
2 GND
3 +12V
COM3 Settings Pin 1 Pin 2 Pin 3
+5V (default) Short Short Open
+12V Open Short Short
COM4 Settings Pin 1 Pin 2 Pin 3
+5V (default) Short Short Open
+12V Open Short Short
Notes:
J6 : Voltage select jumper for COM port 3 (COM3)
J7 : Voltage select jumper for COM port 4 (COM4)