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<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">

	<style type="text/css">
		@import url('../css/main.css');
	</style>

	<title>ThinkPad R400</title>
</head>

<body>

	<div class="section">
		<h1 id="pagetop">ThinkPad R400</h1>
			
			<p</p>
			
			<p>
				It is believed that all R400 laptops are compatible. 
			</p>
			
			<p>
				There are two possible flash chip sizes for the R400: 4MiB (32Mbit) or 8MiB (64Mbit). 
				This can be identified by the type of flash chip below the palmrest: 4MiB is SOIC-8, 8MiB
				is SOIC-16.
			</p>
			
			<p>
				<b>The R400 laptops come with the ME (and sometimes AMT in addition) before flashing libreboot. Libreboot disables and removes it
				by using a modified descriptor: see <a href="gm45_remove_me.html">gm45_remove_me.html</a></b> (contains notes, plus
				instructions)
			</p>

			<p>
				Flashing instructions can be found at <a href="../install/index.html#flashrom">../install/index.html#flashrom</a>
			</p>
			
			<p>
				<a href="index.html">Back to previous index</a>.
			</p>
	</div>

	<div class="section">

		<p>
			Thi R400 is almost identical to the X200, code-wise. See <a href="x200.html">x200.html</a>.
		</p>
		
		<p>
			TODO: put hardware register logs here like on the <a href="x200.html">X200</a> and <a href="t400.html">T400</a> page.
		</p>

	</div>

	<div class="section">

		<p>
			Copyright &copy; 2014, 2015 Francis Rowe &lt;info@gluglug.org.uk&gt;<br/>
			This document is released under the Creative Commons Attribution-ShareAlike 4.0 International Public License and all future versions.
			A copy of the license can be found at <a href="../license.txt">../license.txt</a>.
		</p>

		<p>
			This document is distributed in the hope that it will be useful,
			but WITHOUT ANY WARRANTY; without even the implied warranty of
			MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See <a href="../license.txt">../license.txt</a> for more information.
		</p>
		
	</div>

</body>
</html>