In the case of Copy-Lock, Sector 1 on track 6 was intentionally written as only 256 bytes, with a 256-byte blank section to fill the gap. Additionally, the CRC was also altered to add another ...

Next, the floppy controller sends the “read track” command to perform a raw dump of all 512 bytes at this address and looks for a magic number, 0xF7, sitting in the final byte.

The BBC Micro Acorn DFS format used 40 or 80 tracks, 10 sectors per track (numbered 0 to 9), 256 bytes per sector, with FM encoding (single density). This gives a maximum data capacity for a ...