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000326_news@newsmaster….columbia.edu _Tue Sep 9 12:00:00 1997.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: MSKermit 3.14 & Toshiba 460CDT internal modem
Date: 9 Sep 1997 15:59:54 GMT
Organization: Columbia University
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In article <5v2paa$4jg@sinus.seqeb.gov.au>,
NEIL LOVELY <nl012@un.seqeb.gov.au> wrote:
: We are trying to get MSKermit 3.14 working with the internal modem
: of the Toshiba 460CDT laptop.
: We connect with the following sequence
: SET PORT 2
: SET SPEED 38400
: CONNECT
: If we then do an ATZ, we do not get OK but rather O_ (i.e. O followed by
: flashing underscore). At this point the terminal emulator has stopped
: responding to the keyboard and the only way out is to ALT-X back to the
: Kermit prompt.
:
And you're sure this is a letter O and not a digit zero?
: If we leave SPEED set at 2400 (the default) then Kermit behaves as
: expected.
:
: If anyone has been able to get Kermit working in this situation
: with a port speed of 38400 (or higher) please post or email me the fix.
:
What operating system are you running MS-DOS Kermit under? If it's any
variety of Windows -- as it probably is, since who runs DOS on a laptop
these days -- you're probably being thwarted by Windows' port hardware
emulation. If you can boot DOS (rather than Windows) and MS-DOS Kermit
works OK at 38400, that would confirm this theory, and there isn't much
you can do about it other than switch to Kermit 95 if your laptop is
running Windows 95, NT, or OS/2:
http://www.columbia.edu/kermit/k95.html
On the other hand, if it doesn't work under DOS either, then we have a
whole panoply of additional possibilities. Perhaps the modem's baud-rate
detection mechanism doesn't work at 38400. I have seen many modems that
fall into this category, although most of them are some years old. For
example, to use most Telebit models at higher speeds, one had to first
connect at a low speed, get it to recognize AT and give an OK, and then
tell it (by setting an S-register) to switch to 57600 or whatever.
Another more sinister possibility is that it is a Winmodem, RPI modem,
or the like and can't be operated by MS-DOS Kermit at all because it is
a DOS application (but that would not necessarily explain why it appears
to work at 2400 bps -- but does it really? The fact that you can type
AT and get OK doesn't necessarily mean it can make a connection.)
The list goes on, there is no point in enumerating all the possibilities
here. So first try it in DOS and if that doesn't work then consult your
modem manual (if there is one -- preinstalled internal modems these days
rarely come with manuals -- you're lucky yours even has a brand name...)
and send further details by email to kermit-support@columbia.edu.
- Frank