On Dec 14, 2007 4:34 PM, Benjamin Schmidt <[EMAIL PROTECTED]> wrote: > > roberto wrote: > > hello > > unfortunately, i encountered a bad problem in my laptop (Dell Latitude > > D600) very frequent on these models: > > sometimes, the BIOS does not recognize the ac adapter and this > > seriously prevents the system performance: the CPU works at 600MHz > > (instead of 2000MHz); if the battery is not at 100% then the ac > > adapter cannot recharge it and so on... > > > > now, since the current can flow inside the pc i'd like to tell Debian > > to force the CPU working at full speed, without concerns about the > > adapter > > > > i post here this output since it may be helpful: > > > > ~$ cat /proc/acpi/processor/CPU0/power > > active state: C2 > > default state: C1 > > bus master activity: ffffffff > > states: > > C1: promotion[C2] demotion[--] latency[000] > > usage[00198990] > > *C2: promotion[C3] demotion[C1] latency[050] > > usage[01315600] > > C3: promotion[--] demotion[C2] latency[050] > > usage[00000000] > > > > > > thank you very much > > -- > > roberto > > OS: GNU/Linux, Debian > > > > > > Hey Roberto > > Best would be doing a bios upgrade, if a newer version is available. > > > ~$ cat /proc/acpi/processor/CPU0/power > > active state: C2 > > > ... > > to change this state (this is probably your question), do this: > > $ su > # echo 1 > /proc/acpi/processor/CPU0/power > > The echo-command with the ">" does not work with sudo (or I do not know > better), so you actually have to be root. > > Please note that "/proc/acpi/processor/CPU1/throttling" would also be > interesting for you. > > But still a bios upgrade would be the better solution.
i hardly know how to do it ... -- roberto OS: GNU/Linux, Debian -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]