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

[William Pechter]

In article <cuqc43F646kU1 at mid.individual.net>,
Bill Gunshannon <billg999 at cs.uofs.edu> wrote:
>In article <mm73bn$3fv$1 at pechter.eternal-september.org>,
>	pechter at S20.pechter.dyndns.org (William Pechter) writes:
>> In article <mm55qv$fff$1 at dont-email.me>,
>> David Froble  <davef at tsoft-inc.com> wrote:
>>>Stephen Hoffman wrote:
>>>> On 2015-06-20 20:29:30 +0000, Hans Vlems said:
>>>> 
>>>>> My question was whether the 11/20 had support for 18 bit addresses. I 
>>>>> thought that the 11/20 was the only model limited to a 2^16 address 
>>>>> space.
>>>> 
>>>> The <http://gunkies.org/wiki/PDP-11> and 
>>>> <http://hampage.hu/pdp-11/main.html> pages indicate not; that there were 
>>>> other boxes that used 16 bits of the 18 bit UNIBUS.
>>>> 
>>>>  From the Things DECfolks Can't Unsee department: the new Dunkin Donuts 
>>>> coffee shop color scheme looks like that of a PDP-11.
>>>> 
>>>> 
>>>
>>>The first PDP-11 I used was an 11/40.  I don't think it had more than 16 
>>>bits of address space.  Could be wrong.  I seem to recall that the 11/40 
>>>could run RSTS, but the 11/20 could not.  Top of the line at that time 
>>>was the PDP-11/45.
>> 
>> There was the ability to have 128kw in an 11/40. (KT11-D memory management 
>> option...) 
>> 
>> The 11/04/5/10 and the 11/03 were limited to 32kw (64kb).
>> 
>
>And 11/02.
>
>bill
>
>-- 
>Bill Gunshannon          |  de-moc-ra-cy (di mok' ra see) n.  Three wolves
>billg999 at cs.scranton.edu |  and a sheep voting on what's for dinner.
>University of Scranton   |
>Scranton, Pennsylvania   |         #include <std.disclaimer.h>   

Yup.  The LSI-11/02 was the same chip as the 11/03 so I didn't mention it 
twice.

Kind of like the 11/35 and 11/40 were the same cpu type... just like the 
11/45 and 11/50 and 11/55 were all the same cpu type (depending upon early 
or late revisions.

Bill
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