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		<id>https://www.vogonswiki.com/index.php?action=history&amp;feed=atom&amp;title=3Com_3C905B-TX</id>
		<title>3Com 3C905B-TX - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://www.vogonswiki.com/index.php?action=history&amp;feed=atom&amp;title=3Com_3C905B-TX"/>
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		<updated>2026-04-29T03:10:45Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.30.2</generator>

	<entry>
		<id>https://www.vogonswiki.com/index.php?title=3Com_3C905B-TX&amp;diff=2419&amp;oldid=prev</id>
		<title>Malvineous: -5/-12V</title>
		<link rel="alternate" type="text/html" href="https://www.vogonswiki.com/index.php?title=3Com_3C905B-TX&amp;diff=2419&amp;oldid=prev"/>
				<updated>2016-02-14T03:53:33Z</updated>
		
		<summary type="html">&lt;p&gt;-5/-12V&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&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 style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 03:53, 14 February 2016&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-l9&quot; &gt;Line 9:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 9:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160; | Compatible with =&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160; | Compatible with =&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160; | Connectors = [[Has connector::TP]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;#160; | Connectors = [[Has connector::TP]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; 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;&amp;#160; | Requires -5VDC =&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; 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;&amp;#160; | Requires -5VDC = &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;No&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; 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;&amp;#160; | Requires -12VDC =&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; 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;&amp;#160; | Requires -12VDC = &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;No&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Device Infobox/Ethernet&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;{{Device Infobox/Ethernet&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Malvineous</name></author>	</entry>

	<entry>
		<id>https://www.vogonswiki.com/index.php?title=3Com_3C905B-TX&amp;diff=2418&amp;oldid=prev</id>
		<title>Malvineous: Basic info</title>
		<link rel="alternate" type="text/html" href="https://www.vogonswiki.com/index.php?title=3Com_3C905B-TX&amp;diff=2418&amp;oldid=prev"/>
				<updated>2016-02-14T03:50:39Z</updated>
		
		<summary type="html">&lt;p&gt;Basic info&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Device Infobox/Begin&lt;br /&gt;
 | Bus type = PCI&lt;br /&gt;
 | Bus width = 32-bit&lt;br /&gt;
 | Bus speed = 33 MHz&lt;br /&gt;
 | PCI 5V = Yes&lt;br /&gt;
 | PCI 3.3V = No&lt;br /&gt;
 | Manufacturer = 3Com&lt;br /&gt;
 | Chipset = 3Com 40-0483-004&lt;br /&gt;
 | Compatible with =&lt;br /&gt;
 | Connectors = [[Has connector::TP]]&lt;br /&gt;
 | Requires -5VDC =&lt;br /&gt;
 | Requires -12VDC =&lt;br /&gt;
}}&lt;br /&gt;
{{Device Infobox/Ethernet&lt;br /&gt;
 | Is ROM socketed = Yes&lt;br /&gt;
 | ROM type = 32-pin JEDEC&lt;br /&gt;
 | Is ROM writable = Yes&lt;br /&gt;
}}&lt;br /&gt;
{{Device Infobox/End&lt;br /&gt;
 | Driver = [http://www.vogonsdrivers.com/getfile.php?fileid=914 Vogonsdrivers]&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
The '''3Com 3C905B-TX''' is a bus-mastering 100Mbps PCI network card.&lt;br /&gt;
&lt;br /&gt;
== Additional photos ==&lt;br /&gt;
&lt;br /&gt;
&amp;lt;gallery mode=&amp;quot;packed&amp;quot;&amp;gt;&lt;br /&gt;
Image:3Com 3C905B-TX underside.jpg|Underside&lt;br /&gt;
Image:3Com DOS configuration utility.png|Config utility&lt;br /&gt;
Image:3Com DOS diagnostics.png|Diagnostics&lt;br /&gt;
Image:3Com DOS configuration options.png|Config options&lt;br /&gt;
&amp;lt;/gallery&amp;gt;&lt;br /&gt;
&lt;br /&gt;
== Boot ROM ==&lt;br /&gt;
&lt;br /&gt;
This card's boot ROM socket will take a standard 32-pin EEPROM/Flash chip.  The high address lines are not connected however, so only chips 128kB and under can be used.  If chips larger than 128kB are used, their upper address lines will be left floating, causing unpredictable results (the bytes may change randomly as the address changes unexpectedly.&lt;br /&gt;
&lt;br /&gt;
The card's DOS drivers come with a configuration program (&amp;lt;tt&amp;gt;3C90XCFG.EXE&amp;lt;/tt&amp;gt;) that can be used to enable the ROM socket.  The base address cannot be adjusted as this is controlled by the BIOS as part of the PCI device configuration process.&lt;br /&gt;
&lt;br /&gt;
== References ==&lt;br /&gt;
&lt;br /&gt;
&amp;lt;references/&amp;gt;&lt;/div&gt;</summary>
		<author><name>Malvineous</name></author>	</entry>

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