[ltp] IBM R51: The always on fan problem
Pasquale Imbemba
linux-thinkpad@linux-thinkpad.org
Wed, 26 Apr 2006 10:21:19 +0200
Laurent Gilson wrote:
> The first (and unsolvable) one is the CeleronM. It creates far more
> heat while idleing and triggers the fan a lot. Use a PentiumM.
I have a Pentium M built in m R51.
>
> Severeal others are related to the radeon-gfx.
I have no ATI, but the Intel Extreme Graphics 2 video adapter.
> Apart from the frequency all CPUs can enter sleep-stats (called C1,
> C2,...C8, C1 = almost no power saving, C8 = a lot of power saving) to
> save power. If you enable/load the Xserver extentsion GLX the CPU can
> no longer enter stats below C1. So far i don't know why. With all
> after drivers loaded it reaches C3. With a bit hacking you can get C4
> (IMHO not worth it).
Ok, I will try to disable GLX and see what happens?
>
> Next problem is the WLAN-card. In default configuration it get's hot
> quite fast. If you enable "Power Management" (see iwconfig) it
> consumes a lot less energy.
Don't have one :)
Bye
Pasquale