try this link :

http://maemo.org/downloads/product/M...ower-settings/

but should be the same as by app manager so almost sure it 'll not work
gotta find the deb file for the kernel and the settings
lookin' for it

EDIT :

http://wiki.maemo.org/Kernel_Power#H...kernel_version

Verification of proper installation

First verify, that the kernel is actually running:

uname -r

should return "2.6.28.10power-omap1" or "2.6.28.10power<version>" If it does not, you should reboot or try to install again

apt-get install --reinstall -y kernel-power kernel-power-flasher

reboot, and test again.