[rescue] Finding antique machines

Geoffrey S. Mendelson gsm at mendelson.com
Fri Apr 20 06:52:44 CDT 2007


On Fri, Apr 20, 2007 at 07:25:04AM -0400, John Francini wrote:
> The TOPS-10 Monitor (the old term for what we call an "OS") dates 
> straight back to the original code written for the PDP-6 (DEC's first 
> 36-bit product) in 1963.   The first model of the PDP-10, the KA-10, 
> which debuted in 1968, didn't have virtual memory or paging.  These 
> were new and (commercially) untested concepts, though they were 
> already operational on Multics at MIT.

IBM was shipping 360 Model 67's with virtual memory and paging hardware
in July 1966.

	http://en.wikipedia.org/wiki/IBM_System/360-67

So new and commericaly untested applied to DEC, not the rest of the world.

One nice thing about the PDP-10 is it was not little endian.

Geoff.

-- 
Geoffrey S. Mendelson, Jerusalem, Israel gsm at mendelson.com  N3OWJ/4X1GM
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