> On Dec 21, 2018, at 3:06 PM, Bill Degnan via cctalk <cctalk@classiccmp.org>
> wrote:
>
>>
>>
>>
>> My _guess_ is that that probably happened because there is no formal
>> 'model'
>> for that first one (unlike the first -11, which got re-named the -11/20
>> BITD), and people recently picked that to disambiguate them from all the
>> other -8's.
>>
>>
>>
> The original PDP 11 was sold in two model options, although the numbers did
> not appear on the faceplace, very clearly the model options were called PDP
> 11/10 and PDP 11/20. These are just as legitimate and well defined as the
> 11/05 vs. 11/10 (later version) that followed it except for the one fact of
> the front plate. The fact that the name does not appear on the front panel
> has caused every DEC historian to miss this factoid. Read the first
> brochure, don't take my word for it.
> http://vintagecomputer.net/browse_thread.cfm?id=593
>
> Momentum prevents change I get it, but it's clear that the model 11/20 and
> 11/10 existed from day one. The problem is that DEC re-used the 11/10
> model name again a few years later, the other cause for neglecting the
> original 11/10 model.
>
> Bill
Wow.
Did that V1 11/10 ever ship? Do any still exist?
I'm curious about that 1 kW read-only memory. What technology is that memory?
At that size and that date I suspect core rope, but that would be pretty
expensive (due to the labor involved).
paul
