[vcf-midatlantic] Working on a historical microprocessor exhibt

Dave McGuire mcguire at neurotica.com
Tue Feb 11 17:26:33 EST 2020

On 2/11/20 3:56 PM, David Riley wrote:
>>  The 78032?  Oh heck yes it was slower than the "big boys".  But it got
>> an entire VAX processor, with FPU and 1MB of RAM, on a single board for
>> a fraction of the price of any of the "big boys".  It enabled the
>> deskside and desktop VAXen, etc.  Remember, there's more to life than
>> just speed! ;)
> I didn't say it was bad!  Everything in engineering is a tradeoff, and that was a very wise one, because they sold a LOT of them (and made quite a few dedicated customers).

  That's very true.  And achieving stable operation at 5MHz in 1985 for
such a complex architecture was quite a feat, keeping in mind that
"stable" for a VAX has a different meaning than "stable" for a PC.
Different design requirements!


Dave McGuire, AK4HZ
New Kensington, PA

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