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@@ -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>