[Info-vax] OT: obscure PDP11 OSes (even more dinosaury)

Johnny Billquist bqt at softjar.se
Mon Jun 22 10:04:22 EDT 2015


On 2015-06-15 15:36, Simon Clubley wrote:
> On 2015-06-15, Dirk Munk <munk at home.nl> wrote:
>> bill at server3.cs.uofs.edu (Bill Gunshannon) wrote:
>>>
>>> Of course, all of this still doesn't explain how the VAX was
>>> "a best-seller" when compared to the PDP-11 when the PDP-11
>>> sold 50% more systems.
>>>
>>
>> Because one VAX could do the work of several PDP-11's?
>
> In the early days of the VAX, wasn't there some literature floating
> around showing how the PDP-11 was faster at some things than the VAX ?
>
> This was before my time however so I may be wrongly remembering
> something I read in the past.

Interrupt response times on the PDP-11 are way better than on VAXen, 
which led to people not wanting to downgrade from a PDP-11 to a VAX...

	Johnny




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