_BOOT_BLOCK

type _BOOT_BLOCK = record

  Jump: array [0..2] of UCHAR;

  Format: array [0..7] of UCHAR;

  BytesPerSector: USHORT;

  SectorsPerCluster: UCHAR;

  BootSectors: USHORT;

  Mbz1: UCHAR;

  Mbz2: USHORT;

  Reserved1: USHORT;

  MediaType: UCHAR;

  Mbz3: USHORT;

  SectorsPerTrack: USHORT;

  NumberOfHeads: USHORT;

  PartitionOffset: ULONG;

  Reserved2: array [0..1] of ULONG;

  TotalSectors: ULONGLONG;

  MftStartLcn: ULONGLONG;

  Mft2StartLcn: ULONGLONG;

  ClustersPerFileRecord: ULONG;

  ClustersPerIndexBlock: ULONG;

  VolumeSerialNumber: ULONGLONG;

  Code: array [0..$1AD] of UCHAR;

  BootSignature: USHORT;

end;