Just to let you know that I am looking through the net for you to see if I can find any illustrated guides. It would really help If I knew what PIII model you have. If you do not know, maybe the make and model of your computer.
You can always run AIDA32 on your computer and read the results.
get it here -
http://www.webattack.com/get/aida32.shtml
See ya later