Re: Laptop ACPI question
Bob Johnson <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.mobile |
|---|---|
| Message-ID | <[email protected]> |
On Saturday 01 May 2004 04:29 pm, Markie <"Markie" <[email protected]>> wrote: > Hello, > > Just a quick question... would having ACPI working on a laptop > increase battery life at all? I just left it sat idle without ACPI > and it got to an hour and 30 minutes... I went to start xchat and it > just switched off straight away after it started loading :o) if I > leave it doing `cat /dev/random > /dev/null` it only lasts 45 minutes > :o( > I don't know what the FreeBSD ACPI system can do for you, so I can't answer that part of your question, but: FreeBSD halts the processor when it is not doing anything, so when you are copying /dev/random it should use more power than when it is doing nothing. > I am just wondering if it's a naffed battery... or... there's > something a bit wrong with the laptop or... I just need ACPI? I don't > really know what ACPI does, so.... :o) Many laptops allow you to set the processor to run slower when on battery power than when on AC power: if your BIOS has a setting for this, it might improve your battery life. I suspect your battery is getting weak in any case. > > Thanks! Sorry I didn't have more info. Maybe someone else will. - Bob _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-mobile To unsubscribe, send any mail to "[email protected]"