To:	opendos AT delorie DOT com
Date:	Wed, 27 Dec 2000 20:37:04 5
Subject:	Re: IBM PC-1 (was Misc., nee BASIC & EMS, nee Optimizing CONFIG.S YS...)
Message-ID:	<20001227.203907.-76277.1.editor@juno.com>
X-Mailer:	Juno 5.0.15
MIME-Version:	1.0
From:	Bruce Morgen <editor AT juno DOT com>
Reply-To:	opendos AT delorie DOT com

As a former Kaypro user I 
can testify that their 
8-bit CP/M 2.2 boxes never 
used 8085s -- they used 
Zilog and Mostek Z80s.  
Before going to a strictly 
PC architecture, Kaypro 
did sell a non-PC model 
with a 16-bit CPU and non-
IBM monochrome video 
running MS-DOS, so perhaps 
there was an 8085 in there 
somewhere in that one, but 
I doubt it.

On Wed, 27 Dec 2000 11:43:41 -0600 Terry_Sare AT dell DOT com writes:
> Idle Trivia.
> Kaypro used Z80 and then switched to 8088 in their first DOS 
> machine. Have
> schematics somewhere for it.
> 
> Terry 
> <snip>
> An 8085 cab be upgraded to an 8088 and use the same hardware and 
> chipset as
> the 8085, but when you do this, you cannot use an 8087 co-processor. 
> Kaypro
> and some other manufactures put both processors in thier systems, 
> the 8085
> and 8088.
> 
> 
> Pat
> 
> 
> 
> 
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