Don't know if you ever got kotor2 to run on your machine but I had the same problem, my boss brought me his toshiba satellite laptop to fix, kotor2 would run but framerate was 1 frame per sec or so,He has the ati raedon mobility 9000 video card. I surfed the web, tried every suggestion and nothing, finally I downloaded
Radeon Omega Drivers 2.5.90 (Catalyst 4.11 Beta)
And it worked! Game runs smooth, i can even run it at
High res with high tex, framerate stays around 30
Hope this helped , if you are still having probs
Good luck, tell me how it went
Excuse my typing, doing this on my pda