I did resolve my speed in games by installing a new CPU. Bought an Athlon XP 2500+ Barton. Works well at 1.83Ghz, 333mhz fsb bus,...
Try to install version 3.0 of PCI latency tool. Can be downloaded from http://www.laptopvideo2go.com/forum/index.php?showtopic=9733
Somebody can help with my hardware? :)