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Natalia Portillo edited this page Dec 19, 2015 · 2 revisions

A sector tag is data that accompany the sector, but it's not part of the data written by the user, or normally accessible. Sector tags can be used to contain metadata about that sector, such as error detection and correction, filesystem recovery information, copy protection, etc...

Floppy disk sector tags

  • Apple GCR sector tags

Compact Disc sector tags

  • Data sector sync frame
  • Data sector header
  • Mode 2 data sector subheader
  • Data sector EDC
  • Data sector ECC P
  • Data sector ECC Q
  • Data sector ECC (P and Q)
  • Data sector subchannels (P to W)
  • Track ISRC
  • Track flags

DVD sector tags

  • Copyright information