[ltp] Pentium M - vids

Macskasi Csaba linux-thinkpad@linux-thinkpad.org
Thu, 11 Oct 2007 22:03:51 +0200


> Have a look in the documentation:
>
> VID =3D (Vcc - 700) / 16
>
> I use 17:39 14:28 12:23 10:16 8:9 6:4, but it's very model specific.
>
> PHC seems to work with 2.6.23, but the high resolution timers are litt=
le  =

> bit
> broken. With 2.6.22+hrt1 I save 2 watt more power than with 2.6.23+hrt=
1

Thanks. I've read the docu before but I did not pay enough attention to =
 =

it...

Csaba

> ...
>
> Nils
>
>> Hi all!
>>
>> I've just upgraded to vanilla 2.6.23. The problem is that voltages ha=
ve  =

>> to
>> be specified in VID (volt id) and not in mV. I use the phc 0.3.0  =

>> patchset.
>> Did anyone manage to get undervolting to work? How can the vid-s be
>> calculated?
>>
>> Thanks,
>> Csaba
>>
>>
>> --
>> Macskasi Csaba
>> bitumen at tuxworld dot homelinux dot org
>> http://tuxworld.homelinux.org:81/
>
>



-- =

Macskasi Csaba
bitumen at tuxworld dot homelinux dot org
http://tuxworld.homelinux.org:81/