[ltp] Lenov notebook ACPI Configuration Recommendation ( very many questions )

[fernanbolando]

-----Original Message-----
From: "T Biehn" <tbiehn@gmail.com>
To: linux-thinkpad@linux-thinkpad.org
Date: Fri, 9 Nov 2007 01:00:37 -0500
Subject: Re: [ltp] Lenov notebook ACPI Configuration Recommendation ( 
very many questions )

> Why not install linux to a USB key and then remove your HD
> all-together?
> Make sure HPET / Dynamic Ticks are enabled, and as a further
> suggestion custom compile a recent mm kernel (I'm running
> 2.6.23-rc8-mm2) as it has more hpet tweaks than mainstream.
> If you're really serious about the power, etc, and only want to use
> your laptop as a thin client, why not eliminate your current window
> manager and run a lightweight WM like dwm, ratpoision, ion (plugging
> tiling window managers here), or wm2.
Is the HPET/dynamic ticks processor specific? I only have a celeron M.
The laptop is not really a thin client. It's just that most of 
the heavy stuff are done on the servers and I like getting a coffee break
during a compile. Although I have been using dwm for a very long time.

> For keeping power down use intel's powertop utility to find out what's
> keeping your processor out of sleep states.

I will check this out later.

> Thats the long and short of it, intel's powertop website has some
> information for configuring your kernel and also has some info on
> keeping power usage to a minimum, patches and suggestions for various
> applications. Searching around the web will reveal a wealth of info on
> this topic!
> 
> AFAIK you need ibm-apci to manage your power and to make things like
> hardware keys work... I don't think it uses much more power
> consumption, it's useful so use it :)
> 
> The unfortunate thing is that when I was tweaking my x61t spending
> countless hours stripping down debian unstable to a light-power
> install it STILL didn't add up to what I'd get out of windows.

 
> On Nov 9, 2007 12:40 AM, fernanbolando <fernanbolando@ceccoils.com>
> wrote:
> > Hi all
> >
> > I just recently bought a lenovo 3000 c200 notebook with a celeron M
> > processor. It is a replacment for my aging toshiba.
> >
> > I only need the laptop to run as cool and as long as possible,
> because
> > I usually just use it to connect to my plan9 servers.
> >
> > For my toshiba a simply left the ACPI stuff to the BIOS and simply
> > set it to powersave, For the lenovo the BIOS doesnt have any options
> for
> > this so I wanted to ask a few questions.
> >
> > Using the p4_clockmod,I am now able to control cpu speed and set
> > it to the slowest possible settings that will not feel sluggish.
> >
> > When I enable the acpi in kernel, does that disable the thermal
> protect
> > and other stuff in the firmware?
> >
> > For the fan do I need to control that as well using a daemon. or is
> > it safe to allow the firmware to handle that.
> >
> > For the screen I cant get the fn-brightness to work. I compiled
> > the misc/ibm-apci. not sure why. using 2.6.23 kernel
> >
> > For the harddisk. I am not sure if it's necessary to controll this
> > also. So I am relying on the bios for this as well.
> >
> > sorry for too many questions
> >
> > thanks.
> > Fernan
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thanks
Fernan