[rescue] Finding antique machines
francini at mac.com
Fri Apr 20 09:03:54 CDT 2007
But 4 bits shy of a full DEC.
On 20 Apr 2007, at 8:15, Sridhar Ayengar wrote:
> Geoffrey S. Mendelson wrote:
>> 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
>>> 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
>> 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.
> The S/360 was big endian too.
> Peace... Sridhar
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