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X2 MODEM PROBLEM

Posted on 1998-02-09
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Last Modified: 2013-12-16
SATURDAY I PURCHASED A X2 PNP CLONE IN MIAMI.  I INSTALLED IT AND IT BOOTED RECOGNIZED NEW HARDWARE LOOKED AT THE CD DRIVER THAT CAME WITH IT AND WENT AHEAD WITH THE INSTALLATION AND IT WORKED LIKE A CHARM.  THE NEXT TIME I BOOTED IT FOUND IT AGAIN!!  INSTALLED IT AGAIN.  NEXT TIME I BOOTED SAME THING ANOTHER MODEM LISTED!!  THEN THE CONFLICT WITH SO MANY MODEMS.  I AM ERASING MODEMS RE-BOOTING TO RESOLVE THE CONFLICTS.  HOW CAN I MAKE IT KNOW I HAVE THE THING INSTALLED AND QUIT THE RE-INSTALLING??  THANK YOU.  TONY - ttoulis@gate.net
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Question by:ttoulis
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12 Comments
 
LVL 15

Expert Comment

by:jrhelgeson
ID: 1754330
I would configure your modem to use a specific COM/IRQ setting instead of using Plug & Play.

I have encountered problems of this sort with some off-brand modems unless I set them up for COM2/COM4 specifically.
Note: If you set the modem up for COM2, You will need to disable the internal port "com2" inside your bios to prevent device conflicts.

If that does not help, boot the machine in safe mode and delete all instances/installations of your modem. Reboot.

Cancel the installation when it is trying to find updated drivers and tell it to use the "standard modem" configuration.
Next go into your system settings, and click on "Standard Modem" and then "update driver" and have it upgrade from the driver CD.

That should take care of it, if not I will need your specific manufacturer of your modem.
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Author Comment

by:ttoulis
ID: 1754331
jrhelgeson,
My reason for rejection is not to imply that your fix was not going to work just fine - Perhaps the framing of my question was wrong.  If possible I would LIKE to keep the PNP feature to let Windows control resources as I add additional hardware.  incidentally it is a true "no-name" modem.
Thanks!  ttoulis
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LVL 15

Expert Comment

by:jrhelgeson
ID: 1754332
Does your system use a serial mouse, or PS/2?
Are you currently using any of the available comm ports on the motherboard?

Plug & Pray modems are a joke.  Especially the Cheap ones.
I would only suggest using PnP on cheap modems if you want it to be setup as COM43 IRQ19...

What I will do on systems w/ PS/2 mice is configure the modem as COM1 (systems using Serial mice I set up the modem as COM2). Then let the motherboard PnP resources juggle the configuration of the other serial port(s).

That way, the only serial port that is floating around in PnP land is one that you are not using anyway, and most likely will not be using ever.  And it is controlled by the PnP functions of the BIOS & motherboard, therefore acting in a much more predictable manner BECAUSE you can just enter the bios and completely disable the extra port(s) if you want to free up more IRQ's, and in doing so you will not change the COM port of your modem, or mouse.

You will always want Com1 & Com2 to remain a constant because you will [most] always be using the devices attached to them, and software programs that are configured to use the modem hate it when the configuration changes.

That would be my best suggestion to you.
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LVL 25

Expert Comment

by:dew_associates
ID: 1754333
ttoulis: Are there any jumper pins on this no-name modem? Some have pin assignments for PnP, Com assignment as well as IRQ settings.
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LVL 15

Expert Comment

by:jrhelgeson
ID: 1754334
Sorry 'bout the comment yesterday, dennis.

jr
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Author Comment

by:ttoulis
ID: 1754335
DEW ASSC - A ONE PAGE INFO SHEET CAME WITH THE BOARD.
I QUOTE:

             Fig 1 - "COM/IRQ" Jumper Location

The DEFAULT setting for the modem is PLUG AND PLAY, with the jumpers on JP2 from 1 to 19 set to ON (refer to the picture depicted above).  If you need to disable the Plug & Play settings in favor of your own settings, remove all the jumpers from the modem board, and insert the appropriate jumpers using the following table:  (NOTE: DO NO CHANGE THE JUMPER SETTINGS FOR WINDOWS 95 INSTALLATION.)

ttoulis
0
 
LVL 7

Expert Comment

by:busuka
ID: 1754336
Hmm, enter BIOS Setup, then locate PNP/PCI Configuration (assuming
you have AWARD BIOS). Check, if you have PnP feature disabled and
enable it.
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LVL 25

Expert Comment

by:dew_associates
ID: 1754337
Joel, don't worry about it.

Ttoulis:  We may have to make a Bios change on the PCI/Isa bus, however try this first.  (I presume that you have the driver or INF file for this modem on a disk, if not let me know)

1. Go into Control Panel, Modems and remove all of the modem entries.

2. While in control panel go to add new hardware.

3. Start add new hardware, but don't let it search for the hardware, specifically add a modem. When the system asks you to identify the modem, click "have disk" and insert the floppy or cd that has the modem driver (actually an INF file would be better). Choose your modem from the list and complete the install.

4. Now test the modem. If the modem works, now restart the system and let me know what happens.
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LVL 1

Expert Comment

by:PBMax
ID: 1754338
Have to agree with dew on this one.  Oh yeah Dew, I have Win98 1650 and dual video support still enabled.  Tried it out myself.  Guess they're going to stick with it.
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LVL 25

Expert Comment

by:dew_associates
ID: 1754339
Hi PBMax, we just received the pre-release on 98 and NT, now I can't wait for them to post the patches so I can fit them both!
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Author Comment

by:ttoulis
ID: 1754340
COMMENT - X2 MODEM PROBLEM / ANSWERS / COMMENTS

We would like to revert to original answer by jrhelgeson.

After exhaustive efforts to make modem run PnP we could never stop it from re-discovering the modem every time we booted.  The consequences were piling modem-on-modem and inevitable conflicts.  We believe the modem driver was wrong for this particular computer. With the no-name board we had no way to find a later/better driver.

We would like the points awarded to the original respondent
jrhelgeson and a grade of "A".  His "Plug and Pray modems are a joke.  Especially the cheap ones."  Turned out to be exactly the case in my experience.

I would like to thank all the commenting experts:
dew-associates, busuka and pmax.

Thanks to "Experts-Exchange" for the VALUABLE SERVICE!!

ttoulis


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LVL 15

Accepted Solution

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jrhelgeson earned 400 total points
ID: 1754341
Thank You.
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