From 0b2007d39dfd5be1f851a65c94300652884022f6 Mon Sep 17 00:00:00 2001
From: Francis Rowe <info@gluglug.org.uk>
Date: Mon, 12 Oct 2015 18:50:47 -0400
Subject: docs/hcl/c201.html: note about (lack of) CPU microcode

---
(limited to 'docs/hcl')

diff --git a/docs/hcl/c201.html b/docs/hcl/c201.html
index bc32e72..6c788fb 100644
--- a/docs/hcl/c201.html
+++ b/docs/hcl/c201.html
@@ -51,6 +51,7 @@
 			<li><a href="#videoblobs">Caution: Video acceleration requires a blob. Do not install it. Use software rendering.</a></li>
 			<li><a href="#wifiblobs">Caution: WiFi acceleration requires a blob. Do not install it. Use a USB dongle.</a></li>
 			<li><a href="#ec">EC firmware is free software!</a></li>
+			<li><a href="#microcode">No microcode!</a></li>
 			<li><a href="#os">Replace ChromeOS immediately!</a></li>
 			<li><a href="#depthcharge">Depthcharge payload</a></li>
 		</ul>
@@ -153,6 +154,22 @@
 				(if you do without the video/wifi blobs) be more free when using one of these laptops.
 			</p>
 	</div>
+
+	<div class="section">
+		<h1 id="microcode">No microcode!</h1>
+			<p>
+				Unlike x86 (e.g. Intel/AMD) CPUs, ARM CPUs do not use microcode, not even built in.
+				On the Intel/AMD based libreboot systems, there is still microcode in the CPU
+				(not considered problematic by the FSF, since it's part of the hardware), but we
+				exclude microcode updates, which are proprietary
+			</p>
+			<p>
+				On ARM CPUs, the instruction set is implemented in circuitry, without microcode.
+			</p>
+			<p>
+				<a href="#pagetop">Back to top of page</a>.
+			</p>
+	</div>
 	
 	<div class="section">
 		<h1 id="os">Replace ChromeOS immediately!</h1>
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