Hy all, my cpu is an Intel Celeron dual core this is my cpuinfo ------------------ processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Genuine Intel(R) CPU U2300 @ 1.20GHz stepping : 10 cpu MHz : 1200.041 cache size : 1024 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm xsave lahf_lm tpr_shadow vnmi flexpriority bogomips : 2400.08 clflush size : 64 power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 23 model name : Genuine Intel(R) CPU U2300 @ 1.20GHz stepping : 10 cpu MHz : 1200.041 cache size : 1024 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 1 initial apicid : 1 fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc arch_perfmon pebs bts pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm xsave lahf_lm tpr_shadow vnmi flexpriority bogomips : 2399.98 clflush size : 64 power management: -------------------- I can not get cpuscaling, when i try modprobe acpi_cpufreq i get FATAL: Error inserting acpi_cpufreq (/lib/modules/2.6.31-1-686/kernel/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.ko): No such device I've also tryied all the other kernel modules Is ther a way to enable cpu freq scaling on this cpu? thanks >Pasquale ��.n��������+%������w��{.n��������^n�r������&��z�ޗ�zf���h���~����������_��+v���)ߣ�m