Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!cs.utexas.edu!usc!bloom-beacon!mit-eddie!uw-beaver!sumax!ole!ray
From: ray@ole.UUCP (Ray Berry)
Newsgroups: comp.sys.ibm.pc
Subject: Re: V20 vs. 8088: Is there any useful difference?
Message-ID: <941@ole.UUCP>
Date: 17 Jul 89 16:44:44 GMT
References: <4644@crash.cts.com>
Reply-To: ray@ole.UUCP (Ray Berry)
Organization: Seattle Silicon Corporation, Bellevue, WA.
Lines: 14

> Correction, there is a V40, it has an architecture similiar to the 80286, but
> it is not machine language compatable with the 80286.  I don't know what NEC
> had to gain by designing such a beast, but they did.  The V40 also has a real
> V30 mode, etc.  If NEC did what I think they did, I believe you don't have to
> reset the V40 to get it in and out of protect mode as you have to with a real
...
   There is no similarity between the V40 & 286 other than the instruction
set.  The V40 does NOT support protected mode nor address more than 1 meg. 
It is simply a V20 with a bunch of peripheral circuity built in.  It is 
similar in intent to the 80188 Intel part.   

-- 
Ray Berry  kb7ht uucp: ...{sumax|thebes}!ole!ray   COMPU$ERVE: 73407,3152 
Seattle Silicon Corp. 3075 112th Ave NE. Bellevue WA 98004 (206) 828 4422