Toshiba Portege 7140 User Manual
Page 97
User's Manual
Setup and Password Security 7-13
Version
5
Last Saved on 20/12/99 04:11
Portege 7140CT User's Manual – 7140_UK.doc – ENGLISH – Printed on 20/12/99 as IM_714UK
Built-in Modem
This option allows you to set the COM level for the built-in modem port.
The built-in modem port interrupt request level (IRQ) and I/O port base
address for each COM level is shown below.
COM level
I/O address
Interrupt level
COM1
3F8H
4
(Default)
COM2
2F8H
3
COM3
3E8H
4
COM4
2E8H
3
Not used
(Disables port)
If the setting for the built-in modem port is the same as that for the serial
or Parallel port, the port(s) is set to Not Used or disabled.
Parallel
Use the Windows Device Manager to change these settings. Refer to your
Windows documentation. The Parallel Port field lets you set the I/O
address for the parallel port and the Parallel Port Mode.
When the Parallel Port Mode (see settings below) is set to Standard Bi-
directional, the options are:
LPT setting
I/O address
Interrupt level
LPT 1
378H
7
LPT 2
278H
5
LPT 3
3BCH
7
Not Used
(Disables port)
Others
(Other settings made automatically by
plug-and-play operating systems)
When the Parallel Port Mode (see settings below) is set to ECP, the DMA
channel can also be set to 1 or 3. The default is 3.
LPT setting
I/O address
Interrupt level
DMA Channel
LPT 1
378H
7
3
(Default)
LPT 2
278H
5
3
LPT 3
3BCH
7
3
Not Used
(Disables port)
Others
(Other settings made automatically by
plug-and-play operating systems)