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@@ -176,6 +176,12 @@
<sect2 id="kernel">
<title>Kernel Changes</title>
+ <para arch="i386,ia64,amd64">The &man.acpi.4; driver's CPU
+ component now supports idle states C1-C3 for both single and SMP
+ systems, providing power/heat savings when the processor is
+ idle, according to ACPI 2.0. Additionally, the throttling
+ support has been updated to ACPI 2.0.</para>
+
<para arch="i386">A bug that caused
&man.atkbd.4; to register an AT keyboard during console initialization,
even when no AT keyboard was connected,
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