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tech / sci.electronics.design / Re: Where can I buy a large analogue meter?

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o Re: Where can I buy a large analogue meter?Ricky

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Re: Where can I buy a large analogue meter?

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Subject: Re: Where can I buy a large analogue meter?
From: gnuarm.d...@gmail.com (Ricky)
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 by: Ricky - Sun, 24 Apr 2022 21:21 UTC

On Sunday, April 24, 2022 at 2:10:04 PM UTC-4, %% wrote:
> On Sun, 24 Apr 2022 20:12:08 +1000, Martin Brown
> <'''newspam'''@nonad.co.uk> wrote:
>
> > On 21/04/2022 18:36, %% wrote:
> >> On Thu, 21 Apr 2022 23:50:27 +1000, rbowman <bow...@montana.com> wrote:
> >>
> >>> On 04/21/2022 02:21 AM, Martin Brown wrote:
> >>>> On 21/04/2022 04:31, Jasen Betts wrote:
> >>>>> On 2022-04-18, rbowman <bow...@montana.com> wrote:
> >>>>>>
> >>>>>> That's not a general problem. There was a period with the early
> >>>>>> Athlons
> >>>>>> that didn't implement some of the new Intel instructions but I've
> >>>>>> leaned
> >>>>>> towards AMD with no problem.
> >>>>>>
> >>>>>> It wasn't AMD but I recall one processor that ran CP/M and DOS, both
> >>>>>> rather poorly. National maybe?
> >>>>>
> >>>>> NEC V20
> >>>>> https://en.wikipedia.org/wiki/NEC_V20
> >>>>
> >>>> And it ran them surprisingly well for the time. I had one. The 16 bit
> >>>> V30 version was almost as fast as a 286 and had bit twiddling
> >>>> instructions. V20 was certainly faster than the 8088 by ~10%.
> >>>>
> >>>> ISTR there was a bun fight over reverse engineered/stolen microcode
> >>>> too.
> >>>>
> >>>> The most impressive of the alternative chips was the Cyrix FasMath FPU
> >>>> which was done by formal methods and found multiple bugs in the Intel
> >>>> 387 implementation of the IEEE floating point standard in the process.
> >>>> It was about 50% faster and also more accurate which was very useful
> >>>> in
> >>>> scientific circles.
> >>>>
> >>> Quirks of fate. IBM didn't believe in the PC market
>
> >> That is silly. They even did the PCJr later and tried to corner the
> >> home PC market with that and failed spectacularly with that one.
>
> > They didn't try very hard to make it even remotely worth having as a
> > home computer.
> That is a separate issue to the silly claim that IBM didn't believe in the
> PC market.

Initially, IBM didn't. The PC was designed, not as an "office computer" or a personal computer, but as a smart terminal for using their mainframe equipment.

> > Plenty of much nicer and cheaper ones with much better graphics.
> Unsurprising that IBM couldn't compete on price.
> They couldn't with the original PC or AT either.

Yes, IBM never tried to compete on price. That was not their claim to fame.

--

Rick C.

-+ Get 1,000 miles of free Supercharging
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