Although a different manufacturer, the Fujitsu-Siemens Amilo XA 1526 is
99.9% identical to (now out of business) Everex Stepnote XT5000T
laptop... Same exact motherboard, except it only doesnt come with
bluetooth like the Amilo Xa 1526.. Don't know about if the keyboard
layout is exactly the same, but it's probably quite similar, as the
brightness Fn+F8/F9 keys also weren't working nor were being detected by
xev, due to missing scancodes (`tail -f /var/log/messages` when u press
them and you should see error about the scancodes missing)... Also, some
media keys weren't working or were not detected correctly..

Solution was to write keymap and rule for udev (udev-extras package
needed from Pitti's PPA for Jaunty 9.04) which has now been committed
upstream to udev trunk for Karmic (udev-extras was merged into udev in
Karmic)

See bug 400921 which I submitted for more info on the fix
https://bugs.launchpad.net/bugs/400921

However, gnome-power-manager isn't so friendly with the Nvidia Geforce
7600 Go on these lappys, meaning it's not able to adjust brightness,
either via the Fn key combinations, nor manually via the slider for LCD
backlight settings, nor does the dimming/undimming work when power is
unplugged/plugged-in..

For this, you need to install a command line tool called "nvclock" to
control the backlight/brightness level, and which you can also bind it
to other key combination like the windows key (Mod4) + F8/F9 with
xbindkeys to accomplish same purpose... I have provided details on how
to do that in the said bug 400921 report

Hope this helps..
Jasmine

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Brightness-keys of FSC Laptop XA1526 don't work
https://bugs.launchpad.net/bugs/183159
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