JC> 'options thinkpad-acpi brightness_mode=2' in /etc/modutils/something JC> should work. $ ls /etc/modutils/ $ Are you saying I should do # echo options thinkpad-acpi brightness_mode=2 > /etc/modutils/jidanni >> Apparently there is no way to check what parameters a running module uses.) JC> Should be in /sys/modules/thinkpad-acpi/parameters/ I only found /sys/module/thinkpad_acpi/ but there is no parameters file there.