[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.


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.


Geoffrey S. Mendelson, Jerusalem, Israel gsm at mendelson.com  N3OWJ/4X1GM
IL Voice: (07)-7424-1667  Fax ONLY: 972-2-648-1443 U.S. Voice: 1-215-821-1838 
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