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	<id>https://wiki.redump.info/index.php?action=history&amp;feed=atom&amp;title=KDG_Rings</id>
	<title>KDG Rings - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.redump.info/index.php?action=history&amp;feed=atom&amp;title=KDG_Rings"/>
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	<updated>2026-08-24T07:38:34Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
	<generator>MediaWiki 1.46.0</generator>
	<entry>
		<id>https://wiki.redump.info/index.php?title=KDG_Rings&amp;diff=68400&amp;oldid=prev</id>
		<title>Morlit at 13:16, 5 August 2026</title>
		<link rel="alternate" type="text/html" href="https://wiki.redump.info/index.php?title=KDG_Rings&amp;diff=68400&amp;oldid=prev"/>
		<updated>2026-08-05T13:16:46Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw-interface=&quot;&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 13:16, 5 August 2026&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-l16&quot;&gt;Line 16:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 16:&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;Follow the [https://wiki.redump.info/index.php?title=Ringed_Disc_Dumping_Guide Ringed Disc Dumping Guide]&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;Follow the [https://wiki.redump.info/index.php?title=Ringed_Disc_Dumping_Guide Ringed Disc Dumping Guide]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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;==Additional Information== &lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&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;An [https://redump.info/disc/108710 outlier] also by KDG but with a very different ring configuration has been found to. How this fits into the rest is currently unknown.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Morlit</name></author>
	</entry>
	<entry>
		<id>https://wiki.redump.info/index.php?title=KDG_Rings&amp;diff=68392&amp;oldid=prev</id>
		<title>Morlit: Created page with &quot;kdg logo  ==General Information==   Ring based DRM associated with and most likely made by kdg mediatech AG and their Austrian partners in Koch Digitaldisc. Real name might be &quot;Alactraz&quot;, but this is currently unconfirmed.   It&#039;s mostly found on games from central Europe and the late 90s.  ==Identification==   Discs with this protection carry 2 or 3 very large (cm sized) physical rings totalling between 10k to 50k sectors. They also hav...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.redump.info/index.php?title=KDG_Rings&amp;diff=68392&amp;oldid=prev"/>
		<updated>2026-08-05T12:48:12Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;&lt;a href=&quot;/File:Kdg.jpg&quot; title=&quot;File:Kdg.jpg&quot;&gt;256px|thumb|right|kdg logo&lt;/a&gt;  ==General Information==   Ring based DRM associated with and most likely made by kdg mediatech AG and their Austrian partners in Koch Digitaldisc. Real name might be &amp;quot;Alactraz&amp;quot;, but this is currently unconfirmed.   It&amp;#039;s mostly found on games from central Europe and the late 90s.  ==Identification==   Discs with this protection carry 2 or 3 very large (cm sized) physical rings totalling between 10k to 50k sectors. They also hav...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[[File:Kdg.jpg|256px|thumb|right|kdg logo]]&lt;br /&gt;
&lt;br /&gt;
==General Information== &lt;br /&gt;
&lt;br /&gt;
Ring based DRM associated with and most likely made by kdg mediatech AG and their Austrian partners in Koch Digitaldisc. Real name might be &amp;quot;Alactraz&amp;quot;, but this is currently unconfirmed. &lt;br /&gt;
&lt;br /&gt;
It&amp;#039;s mostly found on games from central Europe and the late 90s.&lt;br /&gt;
&lt;br /&gt;
==Identification== &lt;br /&gt;
&lt;br /&gt;
Discs with this protection carry 2 or 3 very large (cm sized) physical rings totalling between 10k to 50k sectors. They also have associated dummy files called &amp;quot;.prt&amp;quot;.&lt;br /&gt;
&lt;br /&gt;
All discs seem to be from the same ifpi L171 plant. Note though that kdg/Koch discs don&amp;#039;t always carry mastering SIDs. &lt;br /&gt;
&lt;br /&gt;
==Dumping== &lt;br /&gt;
&lt;br /&gt;
Follow the [https://wiki.redump.info/index.php?title=Ringed_Disc_Dumping_Guide Ringed Disc Dumping Guide]&lt;/div&gt;</summary>
		<author><name>Morlit</name></author>
	</entry>
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