From: mauch AT uni-duisburg DOT de (Michael Mauch)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Serial Ports.
Date: Mon, 19 May 1997 07:47:42 +0200
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On 18 May 1997 05:08:28 GMT, sthorpe AT inconnect DOT inconnect DOT com (Stuart
Thorpe) wrote:

> 
> I am having some difficulty finding information on Uarts. I was wondering
> if 1) someone had a program that can ID a Uart, or 2) someone could tell
> me where to look for Uart ID, so I can just right a program to do so. With
> so many different Uarts I was hoping to find something already out there.

There's a very good description of serial ports:

From chris AT phil DOT uni-sb DOT de Mon Dec 25 11:49:53 1995
From: chris AT phil DOT uni-sb DOT de (Chris Blum)
Newsgroups: comp.sys.ibm.pc.hardware.comm,comp.os.msdos.programmer
Subject: The Serial Port rel. 19, part 1/3
Date: 25 Dec 1995 11:49:53 +0100
Message-ID: <4blvkh$75 AT pfslip04 DOT phil DOT uni-sb DOT de>

Probably there is a newer version around now. Rel. 19 has a C-function
detect_UART() that detects anything from 8250 to 16550A.

Regards...
		Michael