Penumbra Overture Intel GMA 645 expres chipset family

[destroier234]

Hello I just got this laptop ( lenovo s10e ) and when I try to launch the game works fine until i start new game the story shows and after a loading screen and after that I see myself ( player ) looking at a table and it freezes. Tell me what can I do or if I can run this game :|
My specs :
Processor : Intel Atom n270 1.60ghz
Video Card : Mobile Intel® 945GM Express Chipset Family
Ram : 1gb
Operating system Windows XP Home Edition
What I tried to play now was the demo version of the game from the official site...
P.S : My drivers are updated