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Path: utzoo!utgpu!water!watmath!clyde!rutgers!mit-eddie!uw-beaver!tektronix!reed!omen!caf
From: caf@omen.UUCP
Newsgroups: comp.sources.d
Subject: Re: Using a PC for a terminal
Message-ID: <555@omen.UUCP>
Date: Tue, 2-Jun-87 14:41:39 EDT
Article-I.D.: omen.555
Posted: Tue Jun  2 14:41:39 1987
Date-Received: Fri, 5-Jun-87 01:35:49 EDT
References: <1149@carthage.swatsun.UUCP> <8601@tekecs.TEK.COM> <6828@mimsy.UUCP> <16906@amdcad.AMD.COM> <1731@ttrdc.UUCP>
Reply-To: caf@omen.UUCP (Chuck Forsberg WA7KGX)
Organization: Omen Technology Inc, Portland Oregon
Lines: 26
Keywords: termcap, curses

In article <1731@ttrdc.UUCP> levy@ttrdc.UUCP (Daniel R. Levy) writes:
:Some (all?) PC/clones cannot keep up with speeds > 4800 baud in the VT100
:terminal emulator (they lose bursts of characters, even with Xon-Xoff flow
:control).  You want a PC, you buy a PC.  You want a terminal, well, I hope
:you get an AT&T terminal (plug plug :-) ).
:-- 

That also depends on what software you're running.  For example, DOS 3.2
causes some problems at 19200 bps that don't happen with DOS 2.1.  Some
memory resident programs and device drivers cause problems with high speed
communications.

But the biggest problem may be in the terminal emulation software.  Many
programs run into trouble above 1200 or so.

On the other hand, ZCOMM (shareware) or Pro-YAM can handle 9600 or 19200
bps without dropping characters.  They can even handle EDT or the DEC Store
demo at those speeds.  They can handle bursts of >20k at these speeds, and
assert flow control correctly for sustained output.

Chuck Forsberg WA7KGX Author of Pro-YAM communications Tools for PCDOS and Unix
...!tektronix!reed!omen!caf  Omen Technology Inc "The High Reliability Software"
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