Advanced Power Management is a feature of most current motherboards and case power supplies.
In August of 2001, I got real gutsy. How, you ask? Well, I decided to take a geek-like plunge, and disassemble my Visor.
In April of 2001, I completed a major (in my humble opinion) hardware mod. I ditched my BIOS chip and replaced it with my own self-programmed version.