I propably found a solution for T42. And, , if I'm right it was just exactly this notebook. It took some time but on friday I got a second T42 for testing. Yeah, no problem, Network boot worked, Installation started, and went through. Actually I'm not really sure what the reason was. I updated bios to the same version, entered the same bios settings but still had the same behaviour. Next week I try to figure out what it was. Same T42 and unattended Setup from CD and no problem. For T40 I found a solution: using smartdrv and afterwards there is enough memory available. cluberti, I tryed several ways but I'm not able to open, extract or burn the iso. No changes. Isobuster tells there are errors. And, , I'm a her