The Linux team at Intel did not implement ACPI CPPC support because we see no benefit to it over the native hardware interface on x86. cheers, Len Brown Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html