Re: Re: DSDT Change (Compaq Presario 2100)

[Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>]

Hi!

> Thanks for the heads up on this, Pavel!
> 
> I did unplug my batter, started an updatedb and compiled firefox, 
> coreutils and a new kernel. The battery got warm, but not hot. 
> Definitely not more then when charging it.
> 
> A curious (unrelated) observation:
> The ACPI thermal zone temperature indicated about 68 C at most  on 
> battery doing this. However, when the battery was drained and I plugged 
> the AC back in, the temperature rose and stayed at about 75 C and the 
> fans worked audibly harder. This continued even after I removed the 
> battery, so it's not the additional heat from the charging.
> I wonder if something else is throttled when on battery. It's not the 
> CPU though as benchmarks dont slow down on battery anymore after my DSDT 
> change.

Strange... It could be backlight, but that does not produce enough
heat...


> As far as the DSDT change goes. Pavel, do you think that the kind of 
> throtteling they do is an effective way to limit battery current draw?
> I am getting more battery life now - even with powernow at "performance".

If you are getting more battery life now... well it looks like bios
vendor did something very wrong.
								Pavel

-- 
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!


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