Optical boot discs for modern X86 machines? Let's look at how that works. Boot code on media that can't be modified or overwritten has always been pretty useful, and of course there are plenty of pre-prepared disc images available that you can write to a suitable disc. However, if you want to prepare your own bootable disc image and have it work reliably across different machines then there are some things to watch out for. Today, Crystal shows us where to shove our boot code and which bits t...