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000243_news@newsmaster….columbia.edu _Fri Nov 7 08:54:17 1997.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Kermit 95 (Windows NT): can't open multi-ports
Date: 7 Nov 1997 13:54:13 GMT
Organization: Columbia University
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Message-ID: <63v6i5$akj$1@apakabar.cc.columbia.edu>
References: <63urqb$tvk$1@duke.telepac.pt>
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In article <63urqb$tvk$1@duke.telepac.pt>,
Paul Vieira <cel@mail.telepac.pt> wrote:
: I have a multi-port board (4 Com's) in my PC and I have 3 extern
: modems connected to them. I use 3 Kermit 95 scripts (one for each COM)
: to receive files from outside PC's. If I put this working on Windows
: 95, everything works fine. If I use Windows NT 4.0, then Kermit 95
: only can open one COM (when it tries to open the others it shows a
: message: "Sorry, can't open connection: com ..."
:
: The multi-port uses the same IRQ for all the COM's.
: Why does it works fine with Windows 95 and with Windows NT it doesn't?
:
If you can use a port with Hyperterminal, then you can also use it with
Kermit 95 1.1.13 as a TAPI device (see UPDATES.TXT section 6.10).
If you can't use it with Hyperterminal, then you have a Windows
configuration issue because Kermit must access the ports through the
Windows drivers. As you probably know, PCs are not well designed to use
more than 2 COM ports (some might say they are not well designed to use
more than zero COM ports) because of the shortage of hardware interrupts
(inter alia). Thus, if you are having trouble with multiple COM ports,
it is your job to configure your PC in such a way that each port can be
used. Sometimes you have to sacrifice some other device, like your
sound board.
- Frank