The only way you can learn is by asking and reading.
The only real way you can learn is by trying and failing.
liloconfig should come with your distro (if you're using lilo as your boot loader. something you should). /sbin/liloconfig is mine
To get s-ata support with the kernel you'll have to recompile it. Something that might be very messy the first time you try, but read the second sentence of this post and you know what i'll advice you to do (just be sure to have more than one entry to a working kernel image in lilo). You should really read a howto on the kernel to get some basic knowledge of what that you need and should add to it.