battery life on presario 720

Rudolph Pereira memetical at yahoo.com.au
Fri Aug 8 13:53:01 PDT 2003


On Thu, Aug 07, 2003 at 10:56:08PM +0200, Mark Santcroos wrote:
> On Fri, Aug 08, 2003 at 05:22:25AM +1000, Rudolph Pereira wrote:
> > > Ok, can you set hw.acpi.cpu.economy_speed=1, and measure the battery time
> > > again?
> > I got ~2:20 uptime with this. Slightly better, but it could
> > have been because the machine was completely idle.
> 
> Ok, I'm out of options at this time. It is clearly a lot less than Linux
> and Windows at this time.
> 
> I don't have experience in this area of ACPI so won't be able to help you.
Thanks for following this up. 
Nate Lawson said on acpi-jp that freebsd doesn't yet implement
low-power hardware idle states, hence the low battery life. 
Sorry if I wasted your time.


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