[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: pgpZXXARB4iWX.pgp
Description: PGP signature

Reply to: