Re: Re: Centrino speedstep

[Dominik Brodowski <linux-X3ehHDuj6sIIGcDfoQAp7BvVK+yQ3ZXh@public.gmane.org>]

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On Sun, Jan 02, 2005 at 02:46:26PM +0100, Karol Kozimor wrote:
> Thus wrote Dominik Brodowski:
> > [**] first value: Sleep State; second value: Deep Sleep State; third value: Deeper Sleep State.
> 
> Hmm, I always thought C3 implies at least Deep Sleep [*], at least for P4-M.
> Isn't that true for P-M?
> 
> [*] It is, AFAIR, possible to make C3 transition invoke Deeper Sleep.

Intel x86 and x86_64 Processors[15]

C1      -       AutoHALT Power-Down state

C2      -       Stop-Grant state

C3      -       Sleep State

                Deep Sleep State (normally used)

                Deeper Sleep State (alternatively used, or available in
                                    addition to Deep Sleep State)

[15] Data collected from Intel(R) 440BX AGPset: 82443BX Host
Bridge/Controller Datasheet, Order Nr. 290633, rev. 01, April 1998,
p. 4-31; Intel(R) 82801DBM I/O Controller Hub 4 Mobile (ICH4-M)
Datasheet, Order Nr. 252337, rev. 01, January 2003, p. 362; Intel(R)
Pentium(R) M Processor Datasheet, Order Nr. 252612, rev. 02, June
2003, pp. 11; and Intel(R) 855GM/855GME Chipset Graphics and Memory
Controller Hub (GMCH) Datasheet, Order Nr. 252615, rev. 02, September
2003, p. 170.

:-)

	Dominik

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