linuxaudio.org

On 12/28/2010 10:03 PM, rosea.grammostola wrote:

quoted text
> On 12/09/2010 09:10 PM, Robin Gareus wrote:

>> ..what does cause problems here is FSBus frequency scaling, I've

>> disabled that in the BIOS.

>>

>> Cheers!

>> robin

>

> It's been a while, but I'm not sure if I have that setting on my T61

>

> I have in my BIOS:

>

> Intel R Speedstep technology

>     Mode for AC

>                 Battery

> Adaptive Therman Management

>                     AC

>                     Batt.

> CPU Power Management

> PCI

> PCI E

>

>

> Regards,

>

> \r

I hazard a guess at the last two.
Here it is called EIST (Enhanced Intel SpeedStep Technology) which I

needed to disable in order to disable bus frequency scaling.
Speedstep is still enabled and CPU freq scaling does still work when I

set "C1E" and "C5/C6" (CPU Power management) states to "yes" or "auto"

in the BIOS. (check with 'powertop').
HTH,

robin

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