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From: ssircar@ecs.umass.edu (Good writers re-write -- not write!)
Newsgroups: comp.sys.ibm.pc.misc
Subject: Re: Replacing an 8250 with a 16550a chip
Message-ID: <13357.281435fc@ecs.umass.edu>
Date: 23 Apr 91 13:26:20 GMT
References: <1991Apr20.103614.1295@agora.rain.com> <6549@bwdls58.bnr.ca>
Distribution: na
Lines: 22

In article <6549@bwdls58.bnr.ca>, mlord@bwdls58.bnr.ca (Mark Lord) writes:
> In article <1991Apr20.103614.1295@agora.rain.com> 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?
> 
> There are a couple of pins with slightly different functions.  On my own card,
> these pins were not actually connected to anything.  This allowed me to do 
> exactly as you ask.. pull out the 8250 and replace with with a 16550a.
> 
> Nice chip!
How much does the 16550a cost?
-- 
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| Santanu Sircar                               BITNET:   ssircar@umaecs.bitnet |
| University of Massachusetts/Amherst          INTERNET: ssircar@ecs.umass.edu |
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