Slackware 12 -runs about the best and is the most complete,stable and generally awesome OS around.

Slackware 12 + kde

I am using the powersave governor,it seems to be the only one that works as well as userspace.
Opensuse 10.3 ran as high as 71 celsius on this machine for some reason...

Thanks for the replies I'm happy to hear that my temps are safe

100 degrees C ..wow that's pretty high.
I'm floating between 50-59 degrees.I was curious because I'm experimenting with linux on this old beast and I did not want to fry anything.I do notice that XP does seem to run cooler though -rarely above 50 degrees.

Nice sig by the way -Paypal is pretty lame.

What is an acceptable cpu temperature for a t22 while in use such as surfing the net etc?900 mhz cpu

That's cool. Twenty bucks is cheap.

I guess what I am really wondering is whether there really is a problem because the hum is gone, it only occurs when I use the function keys to lower brightness.

--I used powerstrip to lower the brightness and there is no humming problem.--

Why is that?

Thanks for the advice but I am wondering whether I should be looking for a new laptop as I don't want to start replacing parts on this nice but old thinkpad.

I noticed that when I turn down the brightness on my T22 with the function key that there ia a humming noise present that disappears once the brightness is turned to full. If I adjust the brightness via software like KDE management settings or powerstrip that there is no humming whatsoever.Is this a...