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NNTP-Posting-Date: Sat, 14 Dec 2024 03:40:24 +0000
Subject: Re: Remember "Bit-Slice" Chips ?
Newsgroups: comp.os.linux.misc
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Date: Fri, 13 Dec 2024 22:40:23 -0500
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On 12/13/24 7:25 PM, rbowman wrote:
> On Fri, 13 Dec 2024 20:13:16 -0000 (UTC), Rich wrote:
> 
>> The AT&T PC clone (itself a rebranded Olivetti machine) was an 8086.
>> That was my first exposure to the IBM PC compatible world, an AT&T PC
>> clone running the 8086.  While one /could/ measure the performance
>> difference in benchmarks, in real world usage it was not markedly
>> 'faster' than an 8088 based system (i.e., the 20MB hard disk was the
>> same performance for both, and its sluggishness was what one spent most
>> of one's time waiting upon).
> 
> Then there was the best of both worlds NEC V20.
> 
> https://hackaday.com/2020/07/10/an-nec-v20-for-two-processors-in-one-sbc/
> 
> That one must have really chafed Intel's butt, a pin compatible drop in a
> little faster that the 8088 and, wait for it, we had a few transistors
> left over so it emulates the 8080 too. No wonder Intel sued.

   Put a V20 into an IBM Portable Computer once. It
   was a *little bit* faster - but as soon as you
   had to access anything on the floppy, well ....