Toshiba 430CDT Maintenance Manual page 104

The infrared port interrupt request level (IRQ) and I/O port base address for
each COM level is shown below.
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:
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)
430 Series
COM level Interrupt level
COM1 4
COM2 3
COM3 4
5
7
COM4 3
5
7
Not used
LPT setting Interrupt level
LPT1 7
LPT2 5
LPT3 7
Not used
I/O address
3F8h
2F8h
3E8h
3E8h
3E8h
2E8h
2E8h
2E8h
(Disables port) (Infrared port default)
I/O address
378h (Parallel port default)
278h
3BCh
(Disables port)
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