how to turn off or change settings for backlit keyboard on bootcamp partition

[nictan]

got a mbp. with windows xp pro installed on boot camp partition. whenever i on the xp pro, backlit keyboard always comes on. how to i change the settings or off it? i hardly every need the backlight

[nictan]

and to add on, after im done with windows and reboot back to mac, the backlight remains on. despite my settings being on 'do not turn on automatically'

[neosferatu]

if you can't lower the brightness pressing the small backlit button, try pressing the big one first (+) and then the small one (-) all the way down.

I noticed that the backlit is turn off but not 100%.