Wednesday, March 10, 2004, 3:00:36 AM, you wrote: > Hello, > I don't have it... This is the message written: > Your computer doesn't have the Linux APM (Advanced Power Management) or > ACPI software installed, or doesn't have the APM kernel drivers > installed - check out the Linux Laptop-HOWTO document for information on > how to install APM.
> when I click on the linux Laptop Howto I get a error message... > I will try with google. > Bye > Christophe Hi Christophe, You want ACPI compiled into your kernel. (Should be in the stock kernel I think - but I don't use them). You then need to turn on ACPI (MCC -> boot options). If you don't turn it on explicitly it won't be there! As I found to my cost trying to get my modem and soundcard to work (needless to say they did when ACPI was turned on). You can then throttle the CPU to all the states it supports, check the battery state (current and previous maximum recharge). Its all buried in the /proc/acpi/ directory which interfaces to the kernel. I tried running my 2.0Ghz P4 at 512Mhz which was quite a laugh :-) My BIOS only allows 1.0Ghz, 1.5Ghz or 2.0Ghz so I thought that was quite cool. I could also see the CPU temperature (found that my fan comes on at 54C and goes off at 46 with hysterious). To throttle you can just type: echo <number> > throttle Or something like that (I am sure you get idea). Its wee while since I played around with it. The KDE version I am/was using didn't support automatic shutdown with low battery charge but the /proc/acpi interface was very accurate (I found) so thats not such a big problem. -- Best regards, Robert mailto:[EMAIL PROTECTED]
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