W520: Speedstep does not not correctly (on battery)! (BIOS v1.26)

Hello

Given that the main thread (here) of the Speedstep/mode was 'closed' by the Mark_Lenovo with a shocking statement (discussed here) we need a new thread to discuss the problems of official support with CPU-synchronizing.

Here's the thing:

Intel Speedstep technology does not work as it should on my W520 (4282-W17).

To clarify:

For my CPU (i7-2820QM) I'm on idle 0.8 GHz and 2.3 GHz frequency (free mode). So Speedstep should lift the clock of up to 2.3 GHz processor when carrots are used by a process.

My investigations:

-My CPU clock stuck at 0.8 GHz all the time on battery (even with full load)

-The same thing happens even when I'm on AC!

We NEED a fix for this issue! My iPhone is faster in the treatment as my new W520!

Soko

PS: For those who don't want to use mode all I have posted a solution here.

Note from Moderator: Edition subject to the content of the game.


Tags: ThinkPad Notebooks

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