This text originally comes from somewhere else. On top of that it's outdated, as the current kernel in lenny has passed the kernel being written about in this post. However the post shows a couple of things, like how to edit the kernel line in grub, and that the 'noapic nolapic' option was necessary for the 2.6.22 kernel for the Inspiron 1521. Also of note with regard to this post is that I only have dial-up internet access at home. I had to go someplace else and find a wireless hotspot for broadband...