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	<id>https://gunkies.org/index.php?action=history&amp;feed=atom&amp;title=RF08_disk_controller</id>
	<title>RF08 disk controller - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://gunkies.org/index.php?action=history&amp;feed=atom&amp;title=RF08_disk_controller"/>
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	<updated>2026-09-22T10:41:37Z</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=RF08_disk_controller&amp;diff=23531&amp;oldid=prev</id>
		<title>Jnc: typo</title>
		<link rel="alternate" type="text/html" href="https://gunkies.org/w/index.php?title=RF08_disk_controller&amp;diff=23531&amp;oldid=prev"/>
		<updated>2021-05-06T18:26:54Z</updated>

		<summary type="html">&lt;p&gt;typo&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 18:26, 6 May 2021&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;The &#039;&#039;&#039;RF08 disk controller&#039;&#039;&#039; was a [[disk]] [[device controller]] for [[RS08 disk drive]]s on the [[OMNIBUS]] of [[PDP-8 family|PDP-8]]s and [[PDP-&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1&lt;/del&gt;]]s. One RF08 could handle up to four RS08 drives. It used the [[three cycle data break]] form of [[Direct Memory Access|DMA]] to transfer data directly to [[main memory]]. Data transfers can range from 1 to 4,096 words, and &#039;spiral&#039; read and write operations are supported.&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;The &#039;&#039;&#039;RF08 disk controller&#039;&#039;&#039; was a [[disk]] [[device controller]] for [[RS08 disk drive]]s on the [[OMNIBUS]] of [[PDP-8 family|PDP-8]]s and [[PDP-&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;12&lt;/ins&gt;]]s. One RF08 could handle up to four RS08 drives. It used the [[three cycle data break]] form of [[Direct Memory Access|DMA]] to transfer data directly to [[main memory]]. Data transfers can range from 1 to 4,096 words, and &#039;spiral&#039; read and write operations are supported.&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;{{semi-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;{{semi-stub}}&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=RF08_disk_controller&amp;diff=23530&amp;oldid=prev</id>
		<title>Jnc: Also PDP-1s</title>
		<link rel="alternate" type="text/html" href="https://gunkies.org/w/index.php?title=RF08_disk_controller&amp;diff=23530&amp;oldid=prev"/>
		<updated>2021-05-06T18:26:27Z</updated>

		<summary type="html">&lt;p&gt;Also PDP-1s&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&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 18:26, 6 May 2021&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;The &#039;&#039;&#039;RF08 disk controller&#039;&#039;&#039; was a [[disk]] [[device controller]] for [[RS08 disk drive]]s on the [[OMNIBUS]] of [[PDP-8 family|PDP-8]]s. One RF08 could handle up to four RS08 drives. It used the [[three cycle data break]] form of [[Direct Memory Access|DMA]] to transfer data directly to [[main memory]]. Data transfers can range from 1 to 4,096 words, and &#039;spiral&#039; read and write operations are supported.&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;The &#039;&#039;&#039;RF08 disk controller&#039;&#039;&#039; was a [[disk]] [[device controller]] for [[RS08 disk drive]]s on the [[OMNIBUS]] of [[PDP-8 family|PDP-8&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;]]s and [[PDP-1&lt;/ins&gt;]]s. One RF08 could handle up to four RS08 drives. It used the [[three cycle data break]] form of [[Direct Memory Access|DMA]] to transfer data directly to [[main memory]]. Data transfers can range from 1 to 4,096 words, and &#039;spiral&#039; read and write operations are supported.&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;{{semi-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;{{semi-stub}}&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=RF08_disk_controller&amp;diff=23491&amp;oldid=prev</id>
		<title>Jnc: Brief, but a start</title>
		<link rel="alternate" type="text/html" href="https://gunkies.org/w/index.php?title=RF08_disk_controller&amp;diff=23491&amp;oldid=prev"/>
		<updated>2021-04-29T16:31:43Z</updated>

		<summary type="html">&lt;p&gt;Brief, but a start&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;The &amp;#039;&amp;#039;&amp;#039;RF08 disk controller&amp;#039;&amp;#039;&amp;#039; was a [[disk]] [[device controller]] for [[RS08 disk drive]]s on the [[OMNIBUS]] of [[PDP-8 family|PDP-8]]s. One RF08 could handle up to four RS08 drives. It used the [[three cycle data break]] form of [[Direct Memory Access|DMA]] to transfer data directly to [[main memory]]. Data transfers can range from 1 to 4,096 words, and &amp;#039;spiral&amp;#039; read and write operations are supported.&lt;br /&gt;
&lt;br /&gt;
{{semi-stub}}&lt;br /&gt;
&lt;br /&gt;
==See also==&lt;br /&gt;
&lt;br /&gt;
* [[DF32 disk controller]]&lt;br /&gt;
&lt;br /&gt;
[[Category: OMNIBUS Storage Controllers]]&lt;/div&gt;</summary>
		<author><name>Jnc</name></author>
	</entry>
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