Article View: comp.sys.ibm.pc.programmer
Article #1486Re: How do get COMx to do 19,200 baud
From: Dick Gardner
Date: Wed, 07 Mar 1990 12:39
Date: Wed, 07 Mar 1990 12:39
57 lines
2840 bytes
2840 bytes
In article <33150@prls.UUCP> gordon@prls.UUCP (Gordon Vickers) writes:
[Deleted text to shrink message]
> The serial cards I have seen do not buffer the incoming data and this
> bothers me, I've written ALOT of serial communications code (on a variety
> of other machines) and have never liked dealing with charector interupt
> devices. What I would like to find is a serial card that
> does buffer the data and lets me know in some more polite manner
> that data is ready, and interupt me only if the high water mark is
> reached. If anyone knows of such a card then I would very much appreciate
> hearing about it since this type of solution would unburden the CPU
> enough to assure me that the PC will be a suitable platform. Ideally,
> I'm looking for an RS422 serial card that supports tri-stating the
> transmitters but I could live with RS232 becouse I've already designed and
> implimented an RS422 converter.
>
Gordon
You might check out the following:
Intellicon-2 (2 - RS232C or RS422/485 channels)
Intellicon-4 (4 - RS232C or RS422-485 channels)
Intellicon-8 (8 - RS232C channels)
* Will run 38.4K on all ports (Intellicn-8 runs 19.2K on all ports)
* Uses Z80B processor & DARTS
* Requires block of memory between 640K & 1meg
* Memory and port addresses switch-selectable
* 16-bit card - uses IRQ 2-7,10,11,12,14,15
* Comes w/drivers for MANY operating systems
Made by:
Connect Tech Inc.
20-340 Woodlawn Road West
Guelph, Ontario
Canada, N1H 7K6
(519) 836-1291
FAX: (519) 836-4878
They have a U.S. distributor, if that is a problem.
We've used these boards in a variety of machines with several operating
systems with great success.
#include <usual.disclaimer>
I'm only a satisfied customer.
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Dick Gardner -- Eastman Kodak Co. Rochester, New York 14652-4201
Phone: (716) 477-1002
UUCP: rutgers!rochester!kodak!gardner
Net: gardner@kodak.com
My new whiz-bang computer is SOOOOOOO fast ----
(How fast is it??) it executes an infinite loop in 50 msec!!!
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Technical Details
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!bellcore!texbell!wuarchive!udel!rochester!kodak!gardnerReferences:
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Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!bellcore!texbell!wuarchive!udel!rochester!kodak!gardner From: gardner@kodak.UUCP (Dick Gardner) Newsgroups: comp.sys.ibm.pc.programmer Subject: Re: How do get COMx to do 19,200 baud Summary: There IS a card. Message-ID: <2386@kodak.UUCP> Date: 7 Mar 90 12:39:41 GMT References: <32894@prls.UUCP> <2956@jato.Jpl.Nasa.Gov> <8422@chaph.usc.edu> <33150@prls.UUCP> Reply-To: gardner@kodak.UUCP (Dick Gardner) Distribution: usa Organization: Eastman Kodak Co, Rochester, NY Lines: 57