Re: Com port mystery

Article View: comp.windows.misc

Article #690

#690

From: Stephen Dennison
Date: Tue, 18 Jun 1991 18:14

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In article <1991Jun15.143049.20456@zorch.SF-Bay.ORG>, jeg@zorch.SF-Bay.ORG (John E. Girard) writes...
>This is a mystery to me but there's no doubt a simple
>explanation!
> 
>I have a taiwan special I/O card in my 386SX which provides
>COM1 and COM2.  My mouse is on COM1.  Nothing is on COM2.
> 
>I installed an internal modem and set it for COM4.  Under 
>DOS and under Windows in "Standard Mode", All of my programs
>are able to use the modem.  But, in Windows enhanced 386 mode,
>this is not so.  Procomm in a DOS window can dial a number,
>but once the call is connected I can get no response.
>Remote2 says it's dialing but nothing happens.  Windows Terminal
>says "COM2 is in use by a DOS Application", and is unable to
>reassign to another port.

Don't COM2: and COM4: use the same interrupt request line (IRQ3 I think) ?

Try configuring your modem as COM3:. That should fix it !

> 
>Is there a solution, short of pulling a chip out of my I/O card
>in order to disable COM2?
> 
>Thanks,
>John Girard
>jeg@zorch.SF-Bay.ORG
> 
> 
>-- 
>John Girard   New Science Associates, Inc.  jeg@zorch.SF-Bay.ORG
>VOICE: 415-968-3324 ************************** FAX: 415-968-0862
       "My life is a sine wave. Now, if I could just get the damned 
        amplitude down..."                         Stephen Dennison

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Message-ID: <1991Jun18.181548.22627@eagle.lerc.nasa.gov>

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From: afdenis@lims01.lerc.nasa.gov (Stephen Dennison)
Newsgroups: comp.windows.misc
Subject: Re: Com port mystery
Message-ID: <1991Jun18.181548.22627@eagle.lerc.nasa.gov>
Date: 18 Jun 91 18:14:22 GMT
References: <1991Jun15.143049.20456@zorch.SF-Bay.ORG>
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