[ltp] Power saving on my T41p

[Meidinger Christopher]

I stop pcmcia, sound and unload the ethernet modules as well.

I have no idea if it actually helps, but I remove the optical drive to
prevent it being spun up.

I figure every electron is important :)

Cheers,

Chris

> -----Original Message-----
> From: linux-thinkpad-admin@linux-thinkpad.org=20
> [mailto:linux-thinkpad-admin@linux-thinkpad.org] On Behalf Of=20
> Patrick Huber
> Sent: Thursday, August 11, 2005 8:08 AM
> To: linux-thinkpad@linux-thinkpad.org
> Subject: Re: [ltp] Power saving on my T41p
>=20
>=20
> Hi
>=20
> To turn the wlan off I have to load and unload the modules=20
> twice after a=20
> reboot. After this initial cycles, a normal load and unload=20
> will do. I have a=20
> small script to do this for me.
>=20
> Also make sure you have the cpu governors compiled in the=20
> kernel and loaded.=20
> Then select either ondemand or conservative. Ondemand jumps=20
> to 100% power as=20
> soon as its necessary and goes slowly down again.=20
> Conservative steps slow in=20
> both directions.
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> cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
> echo "ondemand" >=20
> /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
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> regards,
> Patrick
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>=20
>=20
> --- start /root/bin/reload-wlan-modules.sh ---
> #!/bin/bash
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> rmmodules() {
>         rmmod ath_pci
>         rmmod ath_rate_onoe
>         rmmod ath_hal
>         rmmod ath_rate_amrr
>         rmmod wlan_wep
>         rmmod wlan
> }
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> mpmodules() {
>         modprobe wlan
>         modprobe wlan_wep
>         modprobe ath_hal
>         modprobe ath_rate_onoe
>         modprobe ath_rate_amrr
>         modprobe ath_pci
> }
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> case $1 in
>         "start")
>                 mpmodules
>         ;;
>         "stop")
>                 rmmodules
>         ;;
>         "restart")
>                 rmmodules
>                 mpmodules
>         ;;
>         *)
>                 echo "usage: start, stop, restart"
>         ;;
> esac
> --- end /root/bin/reload-wlan-modules.sh ---
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> Am Donnerstag, 11. August 2005 06.16 schrieb Cameron McCormack:
> > Hey everyone.
> >
> > I've got a long flight on Saturday (MEL to LHR, 23 hours!) and I
> > recently bought a new battery for my T41p so I can get some=20
> good usage
> > out of it.  This new battery (which isn't a genuine IBM one, this is
> > from www.global-batteries.com.au) is a 9-cell one.  I've=20
> just charged it
> > up and running 'acpi' estimates that it lasts about 3.5=20
> hours at full
> > LCD brightness.
> >
> > I have the Atheros mini-PCI WiFi card in the machine, but=20
> I'm not sure
> > if it is power up or not.  I don't have the ath_pci.ko=20
> module loaded,
> > but the WiFi LED is lit up.  I want to make sure that it=20
> actually isn't
> > powered so that I'm not just wasting power.
> >
> > Along with turning the Bluetooth off, turning down the LCD=20
> brightness
> > and getting the two hard disks I have in it powered down,=20
> does anyone
> > have any other tips for power conversation?
> >
> > Thanks,
> >
> > Cameron
> >
> > --
> >   e-mail : cam (at) mcc.id.au    	icq : 26955922
> >      web : http://mcc.id.au/	        msn : cam-msn=20
> (at) aka.mcc.id.au
> >   office : +61399055779		     jabber : heycam=20
> (at) jabber.org
> --=20
> The linux-thinkpad mailing list home page is at:
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>=20