430 Series
3-59
The infrared port interrupt request level (IRQ) and I/O port base address for
each COM level is shown below.
COM level
Interrupt level
I/O address
COM1
4
3F8h
COM2
3
2F8h
COM3
4
3E8h
5
3E8h
7
3E8h
COM4
3
2E8h
5
2E8h
7
2E8h
Not used
(Disables port)
(Infrared port default)
NOTE:
If the setting for the infrared port is the same as that for the
serial port, the serial port is automatically set to disabled.
(c)
Parallel Port
This option sets the interrupt request level (IRQ) and I/O port base address
for the parallel port. The options are shown below:
LPT setting
Interrupt level
I/O address
LPT1
7
378h
(Parallel port default)
LPT2
5
278h
LPT3
7
3BCh
Not used
(Disables port)
When you select one of the above options, except for
Not used
, a
subwindow similar to the one below appears to let you set the parallel port
mode and DMA channel.
Mode
Use this option to set the parallel port mode from among the following
settings:
ECP (Default), Std.Bi-Directional
DMA channel
When the parallel port mode is set to ECP, the DMA channel can also be set
from among the following settings:
Ch1, Ch2, Ch3 (Default)