PDP-3 - Revision history

Jnc: /* External links */ +footnote mentioning the PDP-3

2025-07-15T13:10:25Z

‎External links: +footnote mentioning the PDP-3

Jnc: The SEI machine was CASINO

2024-01-10T12:48:01Z

The SEI machine was CASINO

Larsbrinkhoff: PDP-3 "sold" but two PDP-1 delivered.

2023-07-29T05:17:35Z

PDP-3 "sold" but two PDP-1 delivered.

Larsbrinkhoff: DEC never built on, SEI/CIA did, later it went to MIT, then "Oregon".

2023-07-29T05:11:54Z

DEC never built on, SEI/CIA did, later it went to MIT, then "Oregon".

Larsbrinkhoff: 36-bit cat.

2023-07-11T11:34:43Z

36-bit cat.

Larsbrinkhoff: /* External links */ Usenet messages.

2022-11-14T18:54:32Z

‎External links: Usenet messages.

Jnc: bit more infp; +cat

2021-03-20T13:45:01Z

bit more infp; +cat

Larsbrinkhoff: /* External links */

2021-03-20T09:56:23Z

‎External links

Larsbrinkhoff: /* External links */ "PDP-1 and PDP-3 Facts"

2021-03-20T09:38:52Z

‎External links: "PDP-1 and PDP-3 Facts"

Larsbrinkhoff: Stub.

2021-03-20T09:36:13Z

Stub.

New page

Supposedly, one was built.

==External links==

http://www.bitsavers.org/pdf/dec/pdp3/

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 * [https://www.computerhistory.org/pdp-1/_media/pdf/DEC.pdp_1.102664938.pdf PDP-1 and PDP-3 brochure]
 * [http://www.inwap.com/pdp10/usenet/pdp3 Usenet messages about the PDP-3]
 [[Category: DEC Systems]]
 [[Category: 36-bit Computers]]

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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.
+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."
+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.
+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==

← Older revision		Revision as of 05:17, 29 July 2023
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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."		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."
		+
		+	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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← Older revision		Revision as of 05:11, 29 July 2023
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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.		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.
		+
		+	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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← Older revision		Revision as of 11:34, 11 July 2023
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	[[Category: DEC Systems]]		[[Category: DEC Systems]]
		+	[[Category: 36-bit Computers]]

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 http://www.bitsavers.org/pdf/dec/pdp3/
 https://www.computerhistory.org/pdp-1/_media/pdf/DEC.pdp_1.102664938.pdf
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← Older revision		Revision as of 09:38, 20 March 2021
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	http://www.bitsavers.org/pdf/dec/pdp3/		http://www.bitsavers.org/pdf/dec/pdp3/
		+	https://www.computerhistory.org/pdp-1/_media/pdf/DEC.pdp_1.102664938.pdf

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