frequency scaling on D525MW not working properly

Sascha Wildner saw at online.de
Mon Jul 23 12:55:57 PDT 2012


On Mon, 23 Jul 2012 21:24:38 +0200, Sven Gaerner <sgaerner at gmx.net> wrote:

> On Mon, Jul 23, 2012 at 09:44:06AM +0800, Sepherosa Ziehau wrote:
>> On Mon, Jul 23, 2012 at 3:27 AM, Sascha Wildner <saw at online.de> wrote:
>> > On Sun, 22 Jul 2012 21:16:54 +0200, Sven Gaerner <sgaerner at gmx.net>  
>> wrote:
>> >
>> >> On Sun, Jul 22, 2012 at 08:31:41PM +0200, Sascha Wildner wrote:
>> >>>
>> >>> On Sun, 22 Jul 2012 13:46:41 +0200, Sven Gaerner <sgaerner at gmx.net>
>> >>> wrote:
>> >>>
>> >>> >[...]
>>
>> Hmm, disabling UEFI is OK, but make sure that you have enabled EST in
>> BIOS (something probably read like "enhanced speed step" or something
>> like "P-state").
> There is no such option. And the only UEFI option is to enable booting
> of an UEFI compliant OS. Speed stepping cannot be configured. The BIOS
> options are very limited.

It looks like the Atom D525 (along with the rest of D*) does not support  
it:

http://ark.intel.com/products/49490

Only N*, Z* and E* Atoms seem to have it:

http://en.wikipedia.org/wiki/List_of_Intel_Atom_microprocessors

Sascha





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