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From: valley@gsbsun.uchicago.edu (Doug Dougherty)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Replacing an 8250 with a 16550a chip
Keywords: RS-232 Breakfast Cereal Communications
Message-ID: <1991Apr22.152608.14809@midway.uchicago.edu>
Date: 22 Apr 91 15:26:08 GMT
References: <1991Apr20.103614.1295@agora.rain.com>
Sender: news@midway.uchicago.edu (NewsMistress)
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Organization: University of Chicago
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tedm@agora.rain.com (Ted Mittelstaedt) writes:

>I was looking over the data sheets for the 16550a Uart, and I noticed that
>there is a DIP version of the chip as well as the more common square chicklet
>packaging.
>  Does anyone know if the pin-out on this chip is the same as the pinout of
>  the older 8250 chip?
>I have a serial card that uses an 8250 and I would like to use the 16550a 
>so when I run DeskView the serial chip isin't chewing up all the processor
>time.  has anyone plugged the 16550a into a 8250 socket on a serial card?

According to Chuck F. of Omen Tech, they are plug compatible.
You should d/l and read the DSZ documentation for further
information/confirmation of this.  DSZ is available from the usual gang
of FTP sites...
--

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