Difference between revisions of "PDP-3"

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(PDP-3 "sold" but two PDP-1 delivered.)
(The SEI machine was CASINO)
 
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The '''PDP-3''' was an early computer from [[DEC]], described as roughly a 36-bit version of the [[PDP-1]]. Supposedly, only one was ever built.
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The '''PDP-3''' was an early computer from [[Digital Equipment Corporation|DEC]], described as roughly a 36-bit version of the [[PDP-1]]. Supposedly, only one was ever built (and not by DEC).
  
From [http://bitsavers.org/pdf/dec/_Books/Bell-ComputerEngineering.pdf Gordon Bell's book ''Computer Engineering - A DEC View of Hardware Systems Design'']: "DEC also never built a PDP-3, although one was designed on paper as a 36-bit machine. [...] In 1960 a customer (Scientific Engineering Institute, Waltham, Massachusetts) built a PDP-3. It was later dismantled and given to M.I.T.: as of 1974, it was up and running in Oregon."
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From [http://bitsavers.org/pdf/dec/_Books/Bell-ComputerEngineering.pdf Gordon Bell's book ''Computer Engineering - A DEC View of Hardware Systems Design'']: "DEC also never built a PDP-3, although one was designed on paper as a 36-bit machine. [...] In 1960 a customer (Scientific Engineering Institute, Waltham, Massachusetts) built a PDP-3. It was later dismantled and given to M.I.T.: as of 1974, it was up and running in Oregon." This was almost certainly the machine called [[CASINO]].
  
According to [http://archive.computerhistory.org/resources/text/Oral_History/Bell_Gordon_1/102702036.05.01.pdf Gordon Bell's oral history], the PDP-3 was designed on paper and sold to the Air Force Cambridge Research Lab, U.S. Hanscom field. Since DEC at the time didn't have the resources to build a new 36-bit machine, they persuaded the customer to take two PDP-1's instead.
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According to [http://archive.computerhistory.org/resources/text/Oral_History/Bell_Gordon_1/102702036.05.01.pdf Gordon Bell's oral history], after the PDP-3 was designed on paper, one was 'sold' to the Air Force Cambridge Research Lab, U.S. Hanscom field. Since DEC at the time didn't have the resources to build a new 36-bit machine (particularly all the software for it), he and Harlan Anderson persuaded the customer to take two PDP-1's instead!
  
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==External links==
 
==External links==

Latest revision as of 14:48, 10 January 2024

The PDP-3 was an early computer from DEC, described as roughly a 36-bit version of the PDP-1. Supposedly, only one was ever built (and not by DEC).

From Gordon Bell's book Computer Engineering - A DEC View of Hardware Systems Design: "DEC also never built a PDP-3, although one was designed on paper as a 36-bit machine. [...] In 1960 a customer (Scientific Engineering Institute, Waltham, Massachusetts) built a PDP-3. It was later dismantled and given to M.I.T.: as of 1974, it was up and running in Oregon." This was almost certainly the machine called CASINO.

According to Gordon Bell's oral history, after the PDP-3 was designed on paper, one was 'sold' to the Air Force Cambridge Research Lab, U.S. Hanscom field. Since DEC at the time didn't have the resources to build a new 36-bit machine (particularly all the software for it), he and Harlan Anderson persuaded the customer to take two PDP-1's instead!

External links