or you can install with pae kernel on a new maschien and then install a none pae kernel and put the harddisk back into your old maschine sudo apt-cache search linux-image* linux-headers-3.2.0-4-486 - Header files for Linux 3.2.0-4-486 linux-image-3.2.0-4-486 - Linux 3.2 for older PCs linux-image-2.6...