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Article #8072Re: NEC V20 How to How to USE?
From: Jeff Denenberg
Date: Mon, 29 Sep 1986 13:12
Date: Mon, 29 Sep 1986 13:12
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>
> When I installed a V20 in my PC, I found that DISKCOPY and FORMAT
> didn't work any more. Since it was an 8Mhz chip, I had increased
> the clock speed at the same time and perhaps that was the cause of
> the problem. In the end, the performance improvement was so
> negligible (5 or 10% with the standard clock speed) that I decided
> to put the 8088 back and buy a "PC Elevator" which is a card with
> an 80286 on it. The V20 with an 8Mhz clock is definitely the most
> bang (50% speedup) for the buck (about $25 including crystal). It
> just bugs me when basic utilities don't work.
>
> -- Mike Gordon (ihnp4!inmet!gordon)
Please don't blame the V20. Your problem was the speedup to 8Mhz. There are
other chips in your pc that are sensitive to the clock rate and those need
to be replaced as well. You must also be careful of add-on boards. Some of
those will have problems at 8Mhz (Try running at 6Mhz, you might have better
luck.
Jeff Denenberg
..!decvax!ittvax!jeffd
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!caip!think!nike!cit-vax!ll-xn!mit-amt!mit-eddie!genrad!decvax!ittatc!ittvax!jeffd From: jeffd@ittvax.ATC.ITT.UUCP (Jeff Denenberg) Newsgroups: net.micro.pc Subject: Re: NEC V20 How to How to USE? Message-ID: <618@ittvax.ATC.ITT.UUCP> Date: Mon, 29-Sep-86 09:12:55 EDT Article-I.D.: ittvax.618 Posted: Mon Sep 29 09:12:55 1986 Date-Received: Wed, 1-Oct-86 01:36:24 EDT References: <1500065@iuvax> <6200047@inmet> Organization: ITT-ATC, Shelton Ct. Lines: 20