Can any DC play CD-R back-up's?

[Tron]

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Sooooo.... There was about a 2-3 month period there where not all CDR discs would play on SOME Dreamcast machines (newer ones), but now if you find a game that doesn't play on a new machine, you can extract all the files and build a new ISO, then run BIN2BOOT on it, burn the .CDI using Disc Juggler and voila! It now works on the newer DC
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Hi!
How extracting the files and how building a new ISO? How does BIN2BOOT work?
Sorry for the questions but i´m a DC-Newbie. My DC is a HKT-3030, a newer one as i think and so some well burned games won´t start. Pleas help me.
THX