This gives a general overview of how the BIOS works, but I'm not entirely sure if it goes as in depth as you may want it to. However, it should be a good starti

This gives a general overview of how the BIOS works, but I'm not entirely sure if it goes as in depth as you may want it to. However, it should be a good starting point. http://mikeos.berlios.de/write-your-own-os.html http://mikeos.berlios.de/write-your-own-os.html (See "PC primer" paragraph)