riscy
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comp.sys.mips #56 - Re: R4200 pin-compatible with 486DX ??

To: riscy@pyramid.com
Subject: comp.sys.mips #56 - Re: R4200 pin-compatible with 486DX ??
From: Andreas Busse <andy@resi.waldorf-gmbh.de>
Date: Fri, 20 Aug 93 12:50:05 +0200
Reply-to: riscy@pyramid.com
Sender: owner-riscy@pyramid.com
I found this article in comp.sys.mips:


In article <js9e6r2@zuni.esd.sgi.com>, olson@anchor.esd.sgi.com (Dave Olson) 
writes:
|> In <24q0idINNnk9@ymir.cs.umass.edu> doyle@gaia (Jim Doyle) writes:
|> | Windows Sources, Sept 1993 vol 1 issue 8, p25
|> | 
|> | "By the end of this year, MIPS plans to introduce a small footprint
|> | version of its new low power R4200 RISC CPU that will be 
|> | completely pin compatible with the existing Intel 486DX chips. Using
|> | a special MIPS replacement BIOS [...]
|> | 
|> | [...] and by being pin compatible with the 486, the new chip will
|> | allow system board manufacturers to retrofir existing designed with
|> | little or no component modification"   
|> | -----------
|> | 
|> | I was under the impression that NEC was fabricating the 4200 and that 
|> | it would require additional glue logic (an ASIC that MIPS also developed)
|> | to make it work with an ISA or EISA based PC motherboard ??
|> 
|> Windows Sources is blowing smoke.  The R4200 is compatible with the
|> R4000 PC (if I remember everything right).  That's a long way from the
|> Intel chips.
|> 
|> I hope their other news is more reliable.
|> --
|> 
|> The most beautiful things in the world are              |   Dave Olson
|> those from which all excess weight has been             |   Silicon Graphics
|> removed.  -Henry Ford                                   |   olson@sgi.com


What do we think about that ?

Andy
 

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