Some noob questions

I am not yet familiarized with tweaking and o
Flight Simulator and other chat
https://forums.simviation.com/phpBB3/
https://forums.simviation.com/phpBB3/viewtopic.php?f=12&t=31180
if its something like a 9600 dont push it over 400mhz core, as unless its watercooled it just cant handol the heat.
ok I used the ATi Tool, works well, I save my settings but when I look at the specs of my card there are still the default settings, no matter what I change with ATi Tool! How can I really make the changes?