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	<id>https://gunkies.org/index.php?action=history&amp;feed=atom&amp;title=PDP-2</id>
	<title>PDP-2 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://gunkies.org/index.php?action=history&amp;feed=atom&amp;title=PDP-2"/>
	<link rel="alternate" type="text/html" href="https://gunkies.org/w/index.php?title=PDP-2&amp;action=history"/>
	<updated>2026-09-30T23:06:59Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.43.9</generator>
	<entry>
		<id>https://gunkies.org/w/index.php?title=PDP-2&amp;diff=33021&amp;oldid=prev</id>
		<title>Jnc: De-dead-end page</title>
		<link rel="alternate" type="text/html" href="https://gunkies.org/w/index.php?title=PDP-2&amp;diff=33021&amp;oldid=prev"/>
		<updated>2024-01-16T00:43:01Z</updated>

		<summary type="html">&lt;p&gt;De-dead-end page&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 00:43, 16 January 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&quot;The PDP-2 designation was saved for a possible 24-bit machine, but none was ever built.&quot; - from [[http://bitsavers.org/pdf/dec/_Books/Bell-ComputerEngineering.pdf &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Gordon Bell&#039;s book &lt;/del&gt;&#039;&#039;Computer Engineering - A DEC View of Hardware Systems Design&#039;&#039;]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&quot;The PDP-2 designation was saved for a possible 24-bit machine, but none was ever built.&quot; - from [&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;[Gordon Bell]]&#039;s book &lt;/ins&gt;[http://bitsavers.org/pdf/dec/_Books/Bell-ComputerEngineering.pdf &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; &lt;/ins&gt;&#039;&#039;Computer Engineering - A DEC View of Hardware Systems Design&#039;&#039;]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{stub}}&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{stub}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:24-bit_Computers]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:24-bit_Computers]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Jnc</name></author>
	</entry>
	<entry>
		<id>https://gunkies.org/w/index.php?title=PDP-2&amp;diff=32701&amp;oldid=prev</id>
		<title>Jnc: The Medidata machine was a PDP-3</title>
		<link rel="alternate" type="text/html" href="https://gunkies.org/w/index.php?title=PDP-2&amp;diff=32701&amp;oldid=prev"/>
		<updated>2024-01-10T12:36:52Z</updated>

		<summary type="html">&lt;p&gt;The Medidata machine was a PDP-3&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 12:36, 10 January 2024&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{stub}}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-added&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;quot;The PDP-2 designation was saved for a possible 24-bit machine, but none was ever built.&amp;quot; - from [[http://bitsavers.org/pdf/dec/_Books/Bell-ComputerEngineering.pdf Gordon Bell&amp;#039;s book &amp;#039;&amp;#039;Computer Engineering - A DEC View of Hardware Systems Design&amp;#039;&amp;#039;]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;quot;The PDP-2 designation was saved for a possible 24-bit machine, but none was ever built.&amp;quot; - from [[http://bitsavers.org/pdf/dec/_Books/Bell-ComputerEngineering.pdf Gordon Bell&amp;#039;s book &amp;#039;&amp;#039;Computer Engineering - A DEC View of Hardware Systems Design&amp;#039;&amp;#039;]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&quot;In the late 60&#039;s &amp;amp; early 70&#039;s I worked for a company (Medidata, later Searle Medidata) which started life as a not-for-profit spin-off from Lincoln Lab. (as I have heard), called American Science Institute. The chief engineer, Ed Rawson was a friend of Dec&#039;s Olsen and he managed to get hold of the &#039;&#039;&#039;modules used for the prototype PDP-2&#039;&#039;&#039; which never reached the market. ASI used them to build their own machine (designed, I believe, by Chuck Corderman) which they called &quot;Casino&quot; and was sometimes jocularly referred to as a PDP-2 1/2. Casino was noteworthy for having, very early in trhe game, graphics capabilities. It also had some special terminals which had labels that cannot be repeated on this (family) newsgroup.&quot; - February 3, 1997 alt.sys.pdp10 message from Max ben-Aaron.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;{{stub}}&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:24-bit_Computers]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:24-bit_Computers]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;

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		<author><name>Jnc</name></author>
	</entry>
	<entry>
		<id>https://gunkies.org/w/index.php?title=PDP-2&amp;diff=30638&amp;oldid=prev</id>
		<title>Larsbrinkhoff: Stub.  But arguably this is all the information there is!</title>
		<link rel="alternate" type="text/html" href="https://gunkies.org/w/index.php?title=PDP-2&amp;diff=30638&amp;oldid=prev"/>
		<updated>2023-07-29T05:23:50Z</updated>

		<summary type="html">&lt;p&gt;Stub.  But arguably this is all the information there is!&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{stub}}&lt;br /&gt;
&lt;br /&gt;
&amp;quot;The PDP-2 designation was saved for a possible 24-bit machine, but none was ever built.&amp;quot; - from [[http://bitsavers.org/pdf/dec/_Books/Bell-ComputerEngineering.pdf Gordon Bell&amp;#039;s book &amp;#039;&amp;#039;Computer Engineering - A DEC View of Hardware Systems Design&amp;#039;&amp;#039;]&lt;br /&gt;
&lt;br /&gt;
&amp;quot;In the late 60&amp;#039;s &amp;amp; early 70&amp;#039;s I worked for a company (Medidata, later Searle Medidata) which started life as a not-for-profit spin-off from Lincoln Lab. (as I have heard), called American Science Institute. The chief engineer, Ed Rawson was a friend of Dec&amp;#039;s Olsen and he managed to get hold of the &amp;#039;&amp;#039;&amp;#039;modules used for the prototype PDP-2&amp;#039;&amp;#039;&amp;#039; which never reached the market. ASI used them to build their own machine (designed, I believe, by Chuck Corderman) which they called &amp;quot;Casino&amp;quot; and was sometimes jocularly referred to as a PDP-2 1/2. Casino was noteworthy for having, very early in trhe game, graphics capabilities. It also had some special terminals which had labels that cannot be repeated on this (family) newsgroup.&amp;quot; - February 3, 1997 alt.sys.pdp10 message from Max ben-Aaron.&lt;br /&gt;
&lt;br /&gt;
[[Category:24-bit_Computers]]&lt;/div&gt;</summary>
		<author><name>Larsbrinkhoff</name></author>
	</entry>
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