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When you power on the system, it HAS no code, other than the BIOS. If you don't want to use the BIOS, you have to write your own and put it into memory by one mechanism or another. I'm perfectly serious about the use of switches. It's how we booted small systems prior to the advent of ROM and such. I mean, you can't even read a freakin' paper tape without a small set of code to drive it. If you read my first response, you'll see that I said your goal wasn't asinine -- your REASON was. It's also apparent you don't yet have the knowledge to pull this off. You are very unlikely to get it here, though it's possible someone would spend scads of hours bringing you up to speed. You really need to do quite a bit more research so as not to totally bog down a teacher/mentor, should you find one.
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