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From: sdyer@bbncc5.UUCP (Steve Dyer)
Newsgroups: net.micro.pc
Subject: Re: NEC V20 for 8088 when 8087 is used?
Message-ID: <237@bbncc5.UUCP>
Date: Thu, 12-Sep-85 17:36:51 EDT
Article-I.D.: bbncc5.237
Posted: Thu Sep 12 17:36:51 1985
Date-Received: Sun, 15-Sep-85 11:48:03 EDT
References: <400@ecsvax.UUCP>
Distribution: net
Organization: Bolt Beranek and Newman, Cambridge, MA
Lines: 17

> <>When I bought an 8087 to put in my IBM PC, it came with a new 8088.
> I was told to replace the 8088 when I put in the 8087 because the old
> 8088 might not work properly with the 8087.  I didn't feel like
> experimenting, so I did the replacement.
> 
> <>Question:  Is this kind of matching really necessary, and, if so,
> does one have to worry about replacing an 8088 with a V20 in a system
> with an 8087?  (Also same question for 80286, V30, 80287.)

This was IBM marketing hype.  There may have been a *very* small chance
that your 8088 wouldn't work with an arbitrary 8087, but hardly enough
to worry over.  I have purchased two 8087s and a 287 for use in PC-type
machines and they work just fine.  Buy the V20 and don't worry.
-- 
/Steve Dyer
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