[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: ACPI with AMD64



Thimo Eichstaedt (abc@digithi.de) wrote:
> Hi folks,
> 
The CPU does support powesaving, but does the BIOS?
Which motherboard do you have, and do you have powernow/cool'n'quiet enabled in BIOS?



> I have an Athlon AMD 64 3000 MHz and want to use its powersaving futures. Therefore I am using PowerNow with the powernow_k8 module. This is working 
> great.
> Additionally it should be possible to profit from the power states of the processor (C1...C8). But the ACPI module tells me that only C1 is availabe:
> 
> Modules loaded: processor, powernow_k8, cpufreq_userspace
> dmesg output when loading processor.ko module:
> ...
> ACPI: CPU0 (power states: C1[C1])
> ...
> 
> cat /proc/acpi/processor/CPU0/power:
> active state:            C1
> max_cstate:              C8
> bus master activity:     00000000
> states:
>     *C1:                  type[C1] promotion[--] demotion[--] latency[000] usage[03559864]
> 
>   cat /proc/acpi/processor/CPU0/throttling
> <not supported>
> 
> Is this correct or what have I done wrong ? Can anybody with a AMD64 processor perhaps post its proc output ?
> 
> Thanks
>    Thimo
> 
> 
> -- 
> To UNSUBSCRIBE, email to debian-amd64-REQUEST@lists.debian.org
> with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org

-- 
.O.	Scream, Scream like the silence of the bits.
..O	Dead lies the flag by the feet of the cold one.
OOO	Freedom WILL break the walls of mammon.

Attachment: pgpT1ZkBYxZ2S.pgp
Description: PGP signature


Reply to: