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000028_news@newsmaster….columbia.edu _Tue Dec 30 10:06:04 1997.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: laptop and kermit
Date: 30 Dec 1997 15:06:00 GMT
Organization: Columbia University
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In article <34a7e7eb.13508254@204.128.247.5>,
jeff canar m.a. <jcanar@hsmsun.tob.rpslmc.edu> wrote:
: I've seen this problem on two different laptops and can't figure out
: what I'm doing wrong:
:
: laptop 1
: Texas Instruments 486 with internal modem
:
: laptop 2
: AST 486 with pcmcia modem
:
: Using mskermit 3.14. Both modems are using com2.
:
: When I try to use kermit on either, It hangs the machine, freezing
: eveything, till I do a hard reboot.
:
: Not changing anything, I restart the machine, go into windows, and try
: the modems using windows terminal. Everything works fine. So I know
: the modems are o.k. and the interface between the modems and laptops
: is also fine.
:
: Check the comm port and other communication settings to make sure I
: know how to configure kermit..
:
: Exit windows.
:
: Check the kermit initialization files, everything matches windows
: terminal settings. Start kermit and everything works fine.
:
: Now bear in mind the only thing I've essentially done is started
: windows, used the modem in windows, and then exited windows. I
: haven't changed anything else. All of sudden kermit works without a
: hitch. Start the laptop cold and try to run kermit and both machines
: hang.
:
Recommendations:
. If you are using Windows 95 on your laptops, you can use these modems
with Kermit 95 1.1.13 or later, since it is a native 32-bit Windows
application that knows how to access modems through the Windows
Telephony interface:
http://www.columbia.edu/kermit/k95.html
. If you are using Windows 3.x, then your workaround (initialize the
modems with Windows Terminal before trying to use them with DOS
programs like MS-DOS Kermit) might be the best one.
. It's also possible that your laptops suffer from COM-port number /
address / IRQ confusion, which is cleared up by the Windows drivers
stuffing information into the BIOS COM area where MS-DOS Kermit can
find it. In that case, you might be able to use MS-DOS Kermit's SET
COMx <address> <irq> command to do the same thing; this is documented
in the book, and discussed in detail in the KERMIT.BWR file, Section 6.
The topics of software-assisted and Windows-only modems is discussed at
some length in the Kermit FAQ:
http://www.columbia.edu/kermit/faq.html
ftp://kermit.columbia.edu/kermit/faq.txt
items 20-22.
- Frank