Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!rutgers!mit-eddie!uw-beaver!uw-june!uw-entropy!dataio!pilchuck!ssc!markz
From: markz@ssc.UUCP (Mark Zenier)
Newsgroups: comp.misc
Subject: Re: PC speeding uping
Summary: Bogus Info
Message-ID: <1752@ssc.UUCP>
Date: 20 Mar 89 19:43:33 GMT
References: <37386@vax1.tcd.ie> <1248@igloo.Scum.COM>
Organization: SSC, Inc., Seattle, WA
Lines: 26

In article <1248@igloo.Scum.COM>, jeffery@igloo.Scum.COM (Jeffery E. Sheese) writes:
> In article <37386@vax1.tcd.ie> ambarry@vax1.tcd.ie writes:
> 
> >		I want to speed up my 8086 based PC. I've heard of certain
> >chips that one can replace the 8086 with. 
> 
> Wnat you want to do is purchase a Zilog V20 processor.  

The 8088 replacement is the V20 (uPD70108), the 8086 replacement is the
V30 (uPD70116) from NEC.

> >	1. Most important.  Will I lose any/some/all of the IBM compatibility
> >	   by changing the CPU ?

Some copy protect schemes may not like the speedup. Good riddance.

> No.  You will gain the ability to emulate a Z80, should you desire
> that capability.
 
Unless there is a newer version, all you get is the 8080 instruction set.
One of the CPM emulator packages (Accelerate 8/16) could use this.


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