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000256_news@columbia.edu _Sat Feb 15 09:24:12 1997.msg
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From: pcoen@forest.drew.edu (Paul Coen)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: OS/2 Specific DOS and MS-DOS Kermit
Message-ID: <1997Feb15.090805.155151@forest>
Date: 15 Feb 97 09:08:05 EST
References: <1997Feb14.231518.11060@lafn.org> <E5n8Ho.9rx@echelon.nl>
Organization: Drew University Academic Technology
Lines: 60
Xref: news.columbia.edu comp.protocols.kermit.misc:6596
In article <E5n8Ho.9rx@echelon.nl>, kees@echelon.nl (Kees Hendrikse) writes:
> In <1997Feb14.231518.11060@lafn.org> aw585@lafn.org (Dallas Legan) writes:
>
>> When booting 'Specific DOS' versions from a bootable DOS disk,
>> when I boot MS-DOS Kermit, it gives a message:
>>
>> ?Warning: unknown hardware for port. Using Bios as BIOS4.
>>
>> Is there some trick around this problem, or is it
>> just a limitation of booting DOS from inside OS/2?
>
> Even if you boot a specific DOS from a floppy or a diskimage, you still
> have to go through OS/2 layers to reach the hardware. Check the settings
> of the program object and see if COM_DIRECT_ACCESS is enabled. This should
> give Kermit access to the port you want. If not, try to use the port via
> the bios: "set port bios 1".
>
Actually, you shouldn't need to do that. As long as MS-Kermit knows
what irq & address to look for a com port as, it'll run without
error messages without COM_DIRECT_ACCESS under OS/2. I've done
it on versions from OS/2 2.0 and above.
Something else is wrong. Something else could be using COM4, but
that's unlikely because he didn't report getting an error message
in a Presentation Manager window offering recovery choices.
My guess is that Com4 (since there really isn't a standard for it)
is set to something other than MS-Kermit might expect it to be,
or else OS/2 can't see it at all due to the same problem (or a hardware
conflict).
If the COM port works from OS/2 programs (C-Kermit for OS/2 should
be able to use it if the operating system can see it), you need
to do a "SET COM4" command (I *think* I'm remembering that
correctly) and then give the information on where to find Com4.
You can get the information from your CONFIG.SYS file, either
in the line where COM.SYS is loaded, or, if you're using the
replacement SIO drivers, whatever the name of the device driver
is -- I'm drawing a blank. Anyway, write down the irq and
base address, and go back to MS-Kermit.
Type "set com4 ?" and it'll tell you what the next item it wants
is -- type it in, insert a space, and hit "?" again. I can never
exactly remember the command syntax -- on the rare occasions I've
had to do this I usually use this method for figuring it out.
If the COM port isn't visible from OS/2, you're going to need
to look up COM.SYS in the online help and find out the syntax
for adding port definitions. And you're going to need to know
the irq and address for your COM4 (and Com3, for that matter).
If this is a plug-and-pray device under Warp 4, you can do
"rmview /irq /io /so" at a command prompt to find out where
it was actually put by the operating system so you can edit the
config.sys file.
Again, this error shouldn't be happening if everything is set up
correctly. Sorry for the number of "I can't quite remember . . ."
above, but some information is at my office, and not overly
accessable at the moment.