Re: Degrees of difficulty in electronic design
From: Active8 (reply2group_at_ndbbm.net)
Date: 08/05/04
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Date: Thu, 5 Aug 2004 00:27:00 -0400
On Thu, 5 Aug 2004 02:56:08 +0000 (UTC), Ken Smith wrote:
> In article <68b9ttlp7kq0.dlg@news.individual.net>,
> Active8 <reply2group@ndbbm.net> wrote:
>>On Wed, 4 Aug 2004 19:01:26 +0000 (UTC), Ken Smith wrote:
>>
>><snip>
>>>>Microprocessors
>>> A) A high speed pipelined design
>>> B) Who ever came up with segmentation on the 8086
>>>
>>ROFLMAO! I hated that!
>>
>>Actually, I read a rant article on that and the author said that the
>>80386 was designed first and then the dumbed it down.
>
> I doubt that. All the "real brains" of Intel were working on the IAPX432
> at that time. That was a real ivory tower design that ended up with about
> the same through put as a TI-51 and the power of the average oven. Intel
> eventually abandoned the 432, put the drawings in a warehouse, securely
> locked it in and then set it on fire. Today the will deny the very
> existance of the project.
>
> At that time I was surprised that Intel didn't use a decrementing program
> counter to help with top down design.
LOL!
>
>> I'd guess that
>>was to get people addicted and then offer them something better,
>>well, "better" might not be the word.
>
> When the 386 came out they introduced the "flat model" for memory.
ISTR not having to deal with segments in the pentium. I also STR
that the article on the downgrade mentioned going from flat to
segmented
>
>>The 68000 family was great. Too bad it ended up in Macs.
>
> I thought the 68008 was really cute. Synclair was putting into a low cost
> computer. Unfortunately, they were slow getting the project done and put
> in tape drives instead of floppies. The Synclair QL, was a great idea not
> carried through, the 8086 was a bad idea put into practice.
I worked for a company with a subsidiary that made a 68000 based
system for businesses. The first time their customers had a leap
year things happened on the 29th of FEB and it wasn't cute at all. A
leap day bug.
Floppies? The company I'm thinking of had these gigantic hard drives
(40 MB, IIRC) They were maybe 18"x12"x3". I bet you could warm lunch
on them.
-- Best Regards, Mike
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