All about floppy formats, from the lowest levels. Do you know your FM and MFM? Can compare Apple's #GCR with #Commodore's? Understand the difference between flux density and data bit density? Remain calm while discussing zoned recording and sector gaps? Can you write a track at a time? Can you flip a floppy? These are all important life skills these days, so click through and read André Fachat's treatise, especially the diagrams.
via cbm-hackers list