RE: Centrino question

Yu, Luming
2004-05-10T02:27:24Z

Need output of acpidmp to verify .

Thanks,
Luming
>-----Original Message-----
>From: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
>[mailto:acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org] On Behalf Of
>Cyril Wattebled
>Sent: Monday, May 10, 2004 8:28 AM
>To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
>Subject: Re: [ACPI] Centrino question
>
>Thanks for the link, I applied the patch but I still only have
>C2 max ...
>Any other clues ?
>
>On Sun, 09 May 2004 13:51:13 -0400
>Dino Klein <zagzag-lists-zY4eFNvK5D9If6P1QZMOBw@public.gmane.org> wrote:
>
>> I have an Acer C302, with a Pentium M 1.6, and the Intel
>855GME chipset.
>> The CPU/chipset supports C1 - C4.
>> My hypothesis as to why you don't have C3 is because it is
>disabled thru
>> the value of the C3 latency in the FADT. The DSDT code
>probably has a
>> _CST field/method for the processor, which specifies the available
>> C-States. I've used a patch (from here
>> http://bugzilla.kernel.org/show_bug.cgi?id=1958), that reads
>the _CST
>> object.
>> Give it a try, and see if it solves your issue.
>>
>>
>> Cyril Wattebled wrote:
>> > Hi there,
>> >
>> > I'm wondering if all Pentium M processor support C1 C2 and C3 ?
>> > Because I have a Sony Vaio Z1 with a Pentium M 1.7ghz and
>linux only
>> > detects C1 and C2. I have a friend who has a Toshiba Tecra
>with a Pentium M
>> > 1.4ghz and it supports C3.
>> > I have heard that even C3 and C4 are supported by Centrinos.
>> > I'm using kernel 2.6.6-rc3.
>> > Is there a logical answer why the kernel does only detect
>C1 and C3 ?
>> > Thanks
>> >
>> > Cyril
>>
>>
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>
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