Ian jonhson wrote: > # modprobe acpi-cpufreq > FATAL: Error inserting acpi_cpufreq > (/lib/modules/2.6.29.3/kernel/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.ko): > No such device That error tells me most likely your hardware is not compatible with the driver, check 'dmesg' for any messages the driver might of generated when it was loading. What CPU are you using? I get the same message on this system I am on, a really old dual xeon single core system. p4-clockmod loads though if I recall right even though you can adjust the clock speed the power usage won't be impacted because the voltage won't change, at least on this class of processor. nate