C-states on Intel(R) Pentium(R) M processor

[Arjan van de Ven]

Michiel de Bruijne wrote:
> Does anyone know how many C-states an Intel(R) Pentium(R) M processor should 
> have? 

Mine has 4

> I see only C0, C1 and C2. Are there any (kernel) options that have any 
> influence on how many C-states are available or is it only the BIOS/CPU?

it's mostly a bios thing. Some bioses hide c3/c4 when on AC power, and 
some bioses only show a C3 which is really a C4 underneath when on 
battery:(