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

[Bill Gunshannon]

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>