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From: bruce@balilly (Bruce Lilly)
Newsgroups: comp.sys.3b1
Subject: Re: 19.2K on a 3b1
Message-ID: <1991Mar29.102558.20449@blilly.UUCP>
Date: 29 Mar 91 10:25:58 GMT
References: <35907@ditka.Chicago.COM> <2225@public.BTR.COM> <1991Mar28.215833.1372@tc.fluke.COM>
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In article <1991Mar28.215833.1372@tc.fluke.COM> vince@tc.fluke.COM (Craig Johnson) writes:
>Thad, your description of serial port problems makes me suspicious that
>you are suffering from spurious interrupts from an anonymous source.
>Its been a long time since I've looked into it, but I believe I once
>traced a problem like this to a suspicious connection on the parallel
>line printer port.  Make sure anything connected there is powered on
>and that the connection is solid.  [ ... ]

That (parallel port) isn't the problem. I've also seen character loss at
19.2k, using a non-telebit modem, w/ HFC, running V.32/V.42 (which does
software flow control on the link), independent of UUCP protocols (since I
wasn't using uucp).

>Possibly related?  Has anyone ever figured out the reason UA occasionally
>switches windows on you without you asking for it?  Spurious keyboard
>noise?  Is it dependent on SW version (I'm only sure I've seen it on a
>3.0 machine)?

I've never seen this in 3.51 or 3.51m.

-- 
	Bruce Lilly		blilly!balilly!bruce@sonyd1.Broadcast.Sony.COM