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

[Simon Clubley]

On 2015-06-16, Bill Gunshannon <bill at server3.cs.uofs.edu> wrote:
> In article <a5da$557f3c62$5ed4324a$14524 at news.ziggo.nl>,
> 	Dirk Munk <munk at home.nl> writes:
>> 
>> So perhaps the PDP-11/74 would have been faster in pure processing 
>> power, for real world applications the much larger memory footprint a 
>> VMS application could have was far more important. Anything that can be 
>> done in memory is much better than having to rely on disk IO.
>
> The PDP-11's memory capability was expanded twice, to 18 and then 22 bits.

So are you saying these later PDP-11s were capable of directly running
256K(byte/word) and then 4M(byte/word) binaries without having to use
overlays or some memory banking arrangement ?

Simon.

-- 
Simon Clubley, clubley at remove_me.eisner.decus.org-Earth.UFP
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