VIA Technologies EPIA-LT, User Manual

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BIOS Setup
17
Serial Port Connectors: COM2, COM3, and COM4
COM2/3/4 pin headers can be used to attach additional ports for serial mouse
or other serial devices.
Pin Signal Pin Signal
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10 Key
Digital I/O Connector: DIO
General purpose input and output for POS systems.
Pin Signal Pin Signal
1 5V_DIO 2 12V_DIO
3 GPO_21 4 GPI_44
5 GPO_22 6 GPI_45
7 GPO_32 8 GPI_46
9 GPO_33 10 GPI_47
11 GND 12 GND
LPC Connector: LPC
This pin connector is for LPC devices.
Pin Signal Pin Signal
1 LAD1 2 LPC_33_CLK
3 -PCIRSTX 4 GND
5 LAD0 6 SIO_48_OSC
7 LAD2 8 -LFRAME
9 SERIRQ 10 LAD3
11 -LDRQ1 12 -EXTSMI
13 +5V 14 +3.3V
15 +5V 16 +3.3V
17 GND 18 GND
19 GND 20 Key
1 2
11 12
DIO
1 2
9 10
COM2/3/4
LPC
1 2
20 19