Chapter 2 Installation
21
You will find this batch file, SETPORT, on the Utilities diskette
supplied with your ISDN board. It runs from the DOS prompt, which
you can get to by exiting Windows.
1.
Insert the Utilities disk in your floppy drive.
2.
From the DOS prompt, type
a:
(where
a
i
s the letter of your floppy
drive) and press
Enter
. At the prompt, type
cd setport
and press
Enter
. This opens the SETPORT directory.
This directory contains a batch file, SETPORT.BAT, which runs a
utility, PORTWIZ.EXE, that helps you configure your ISDN card’s
COM port and IRQ settings.
3.
Type
setport 3
and press
Enter
. The program tries to set up the
ISDN card on COM 3. In almost all circumstances, SETPORT
3 successfully sets the ISDN card to COM 3 and a free IRQ,
usually 12 or 11.
Once the program finds a free IRQ, it tries to communicate with
the ISDN card using these settings. If successful, the program
asks if you want it to automatically modify your
AUTOEXEC.BAT and SYSTEM.INI files.
We strongly recommend that you answer
Yes
to these prompts;
otherwise, you will need to run the SETPORT utility each time you
reboot your computer.
If unsuccessful, SETPORT checks more IRQs until it finds one
that works. SETPORT checks the following IRQs in order: 12,
11, 10, 7, 5, and 4.
Your ISDN card is now installed and you can skip to step 5.
If you have computer problems, continue below.
4.
Repeat step 3, but use COM 4 (i.e., type
setport 4
and press
Enter
). If COM 4 results in an error message, try COM 1 and
then COM 2.
Even if SETPORT is successful, you may still run into a conflict
with another peripheral, such as a mouse, a video card, or a
sound card. This happens because SETPORT is unable to tell
that a particular IRQ setting is already assigned to another
device if that device is not being used at the time. If you get
erratic behavior, such as inconsistent performance or a piece of
hardware that stops working even though it worked before, read
Appendix C: IRQs and Conflicts
on page 49.
5.
Write down the COM port and IRQ setting of your ISDN card
below or in another easy-to-find place. The information is important
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