[ct-user] Keying from High IRQ COM Port?

[Bob Naumann - N5NJ]

You don't say it but it sounds as though you have been unsuccessful trying
to use com3 with IRQ 9.  This is common.  Try another available IRQ for
com3.

It's been a while, but I believe that all the higher IRQ's are "cascaded"
off of IRQ9 in certain machines, thereby using up IRQ9 without having a
specific device connected to it.

You should be able to use IRQ5 or IRQ7 as CT does not use the printer port
IRQ's anyway - unless you're using a DVP or W9XT card on those IRQ's.

Robert E. Naumann  N5NJ@arrl.net
N5NJ / V26O
Plano, TX  USA
ex KR2J, V26RN, W6V, WA2OVE
----- Original Message -----
From: Bob Schreibmaier <k3ph@dxis.monroe.pa.us>
To: <ct-user@contesting.com>
Sent: Sunday, December 05, 1999 18:01
Subject: [ct-user] Keying from High IRQ COM Port?


>
> I have an old MS-DOS 6.22 PC I use for contesting.  The
> COM1 and COM2 ports are taken up by packet and RTTY, by
> programs that don't seem to be able to deal with nonstandard
> IRQs.  I have a COM3 port set to IRQ 9 and COM4 set to
> IRQ 10.  Using comtsr4, the PC talks to the radio with
> no problems.  However,
>
> I would like to be able to key the radio from COM3.  Is
> this possible?  If so, how does one set it up?
>
> TIA.
>
> 73,
> Bob
>
> --
> +------------------- \-\-\-\ ----------------------------+
> | Bob Schreibmaier K3PH | E-mail: k3ph@dxis.monroe.pa.us |
> | Kresgeville, PA 18333 | ICBM:   40o55'N 75o30'W        |
> +--------------------------------------------------------+
>
> --
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>
>


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